Re: [Wien] new SG, increased k-points and simultaneous calculations in elastic package

2017-11-16 Thread Abderrahmane Reggad
Try to follow the steps of 3 differents packages to calculate the elastic properties in the following link and compare with the results in the blog. https://wien2k-algerien1970.blogspot.com/2016/09/summarization-of-calculation-of-elastic.html Good Luck

Re: [Wien] Querry in a resultant structure

2017-10-31 Thread Abderrahmane Reggad
Hello again I have repeated the calculation using the low symmetry structure and i found a close results to those of the monoclinic one. I have checked the wyckoof positions and the symmetry operations of the orthorhombic and the monoclinic structures and I have found that the later is a

Re: [Wien] Querry in a resultant structure

2017-10-29 Thread Abderrahmane Reggad
Thank you Lyudmila for you comment As a last step I need from all of you to show me how to get the AFMIII structure from the these two links and the following non magnetic structure of NiS-MnP (orthorhombic): https://ibb.co/nt2nFm https://ibb.co/mqySFm NiS-MnP P LATTICE,NONEQUIV.ATOMS: 2

Re: [Wien] The magnetic structure for zinc blende non magnetic structure

2017-10-28 Thread Abderrahmane Reggad
Thank you gavin for your answer So my structure is ok Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien SEARCH the MAILING-LIST at:

Re: [Wien] The magnetic structure for zinc blende non magnetic structure

2017-10-28 Thread Abderrahmane Reggad
Dear Delamora I still waiting for my answer Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien SEARCH the MAILING-LIST at:

Re: [Wien] Querry in a resultant structure

2017-10-28 Thread Abderrahmane Reggad
Thank you very Delamora Now I still waiting for your answer on my question in this link about the magnetic structure of the zinc blende structure Re: [Wien] The magnetic structure for zinc blende non magnetic structure Best regards ___ Wien mailing

Re: [Wien] Querry in a resultant structure

2017-10-28 Thread Abderrahmane Reggad
Sorry for the missed word "correct" According to your example , you mean that the AFM structure may be correct Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien SEARCH the

[Wien] "Re: Querry in a resultant structure"

2017-10-28 Thread Abderrahmane Reggad
Sorry for the missed word "correct" According to your example , you mean that the AFM structure may be correct Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien SEARCH the

Re: [Wien] Querry in a resultant structure

2017-10-28 Thread Abderrahmane Reggad
Thanks Delamora for your answer and this is not what i am looking for and I am sorry that I couldn't communicate what I want. My problem is as follows: 1- I am considering this non magnetic structure (orthorhombic ) * the non-magnetic structure is in this link https://ibb.co/nt2nFm * The

Re: [Wien] Querry in a resultant structure

2017-10-27 Thread Abderrahmane Reggad
I see that you haven''t understood me this time my question is as follows: is it possible to get a monoclinic structure with orthorhombic lattice parameters ? Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at

Re: [Wien] Querry in a resultant structure

2017-10-25 Thread Abderrahmane Reggad
Hello again Here is the 3 different AFM configurations https://ibb.co/mqySFm Here are the 4 independent Ni atoms https://ibb.co/nt2nFm Now the big problem lies in if is it possible tp get a monoclinic structure (space group #11) with orthorhombic lattice parameters as we know that the

Re: [Wien] Querry in a resultant structure

2017-10-24 Thread Abderrahmane Reggad
Thank you pieper for your answer I am studying the magnetic order of type III with Ni1,Ni2 up and Ni3, Ni4 down according the figure included. This is the procedure that I adopted: -supercell 1x1x1 P to make the 4 atoms Ni indepedent a - I make the Ni1 and Ni2 to be the atom Ni1 and the atoms

[Wien] Querry in a resultant structure

2017-10-22 Thread Abderrahmane Reggad
Dear wien users I am studing the magnetic structure of type III for a orthorhombic structure. After doing the supercell and labelling the independent atoms for spin-up and spin-dn atoms and using the sgroup command I got the following structure: The space group of a monoclinic structure and the

Re: [Wien] The magnetic structure for zinc blende non magnetic structure

2017-10-13 Thread Abderrahmane Reggad
Sorry the link is http://wien2k-algerien1970.blogspot.com/2016/06/structural-and-magnetic-properties-of.html 2017-10-13 8:11 GMT+02:00 Abderrahmane Reggad <jazai...@gmail.com>: > Dear Delamora > > It's up to now that I start to work with the magnetic structure of the &g

Re: [Wien] The magnetic structure for zinc blende non magnetic structure

2017-10-13 Thread Abderrahmane Reggad
Dear Delamora It's up to now that I start to work with the magnetic structure of the zinc blende one. - The zinc blende structure for NiS has not been studied before and I am studing the possibility of its existence. - In the literature, I found that the magnetic ground phase of the zinc

[Wien] The magnetic structure for zinc blende non magnetic structure

2017-09-15 Thread Abderrahmane Reggad
Dear Delamora and wien users In a previous post about the magnetic structure of the non magnetic NaCl structure of NiO, Dr Delamora provided us in detail how to get this magnetic structure ( https://www.mail-archive.com/wien%40zeus.theochem.tuwien.ac.at/msg11519.html ). Now I need the magnetic

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-12 Thread Abderrahmane Reggad
Thank you Gerhard for your advise I read and I understand What do you think if using the empirical parameters known give you calculated values for band gap and magnetic moment ten times or more than the experimental one. Before using my value for alpha parameter, I used the alpha value equal to

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-12 Thread Abderrahmane Reggad
Hi Lyudmila I have forgotten to add the article link http://www.sciencedirect.com/science/article/pii/S0921452617303915 ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien SEARCH the

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-12 Thread Abderrahmane Reggad
Hi Martin I still confused and not convinced with my results. It's not the band gap of NiS to take as the only criterion for the choice of the amount of excact exchange, but also the experimental values of magnetic moment. This amount allows me to get magnetic moment values close to the

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-12 Thread Abderrahmane Reggad
Hi Lyudmila in the following article I studied the 3 different possible orderings for the NiAs structure for the NiS compound and I found that the I-type order is the most stable which is consistent which all theoritical and experimental results. It's found also that all transition metal

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-11 Thread Abderrahmane Reggad
Hi Laurence The amount of 0.05 of exact exchange is the value that gives a gap value equal to the experimental one for nickel sulphide and close values for magnetic moments for some 3d transition metal sulphides like CrS, FeS, CoS and NiS. You can check my article about the nickel sulphide

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-11 Thread Abderrahmane Reggad
Hi all I have repeated the calculation using ec and cc criterion equal to 0.1 and 0.0001 respectively and I have found the magnetic moment to be lesser with the value of 0.0002 MB. Here are the input files VS.struct *** VS-hex H LATTICE,NONEQUIV.ATOMS: 3 164_P-3m1 MODE OF

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-10 Thread Abderrahmane Reggad
Hi Before doing the calculation again with the new energy and charge criterion I let you this old article http://journals.jps.jp/doi/abs/10.1143/JPSJ.14.196 Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at

[Wien] (no subject)

2017-09-08 Thread Abderrahmane Reggad
Hi Before doing the calculation again with the new energy and charge criterion I let you this old article http://journals.jps.jp/doi/abs/10.1143/JPSJ.14.196 Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-07 Thread Abderrahmane Reggad
Hi All I have used the PBE+EECC calculation for 3 configurations: nm, fm and afm I and I found that the afm I is the most stable. The energy criterion and charge are 0.001 Ry and 0.001 e respectively. I don't worry about if the material is really antiferromagnetic or paramagnetic because of:

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-07 Thread Abderrahmane Reggad
Hi Gerhard 1- The charge criterion was 0.001 e 2- I didn't started from a converged PBE calculation 3- The amount of exact exchange use leads for results consistent with experiment for the other 4 compounds. 5- Geometrical optimization leads to AFM 1 to be the most stable 6- i found only

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-06 Thread Abderrahmane Reggad
Hi Martin The problem is that I want to know if it's possible to get a such value of 0.05 MB for atomic magnetic moment for the AFM state of vanadium sulphide in NiAs structure. Hafner and Hobbs have found all the calculations converged to the non magnetic state because they have used the GGA

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-05 Thread Abderrahmane Reggad
I have made calculations for 5 3d transition metal sulphides with the method PBE+EECE and I have found that all the results are ok with the exception of the vanadium sulphide. I have made 3 calculations (nm, fm and afmI ) to determine the magnetic state for all the compounds and I found them to

Re: [Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-04 Thread Abderrahmane Reggad
Thanks martin Experimentally they found that the vanadium sulphide is a pauli paramagnetic but I have found it to be antiferromagnetic like other transition metal sulphides but the magnetic moment value equals almost zero despite the fact that vanadium has 3 inpaired electrons. Best regards

[Wien] About the magnetic moment of vanadium in vanadium sulphide

2017-09-02 Thread Abderrahmane Reggad
Dear wien2k users I have calculated the magnetic moment of vanadium sulphide in NiAs structure using the EECE méthod with alpha parameter equals to 0.05. despite the fact that the number of inpariated electrons is equal to 3 I found that the magnetic moment of vanadium is equal to 0.05 MB which

Re: [Wien] How to know if the M+2 has a high spin from calculation?

2017-08-28 Thread Abderrahmane Reggad
thank you Martin Gerhard Peter and Laurence for the answers I think the conclusion is as follows: The high or the low spin configuration of an ion is selected within the initialization and the best choice is appared in the result as in the case of Fe2+ ion. For the bond valence sums

Re: [Wien] How to know if the M+2 has a high spin from calculation?

2017-08-27 Thread Abderrahmane Reggad
Hello again I have found in the literature that the spin state configuration is like the magnetic configuration. So we have to make 2 calculations: one for the high spin configuration and another one for the low spin configuration and we look after for the configuration more energetically stable.

Re: [Wien] How to know if the M+2 has a high spin from calculation?

2017-08-26 Thread Abderrahmane Reggad
Thank you victor for your answer The Fe+2 ion in the NiAs structure has an octahedral ccordination and has a high spin configuration. In wien2k code, where have we to look to check if , for example, the iron ion has a high spin configuration. Best regards

[Wien] How to know if the M+2 has a high spin from calculation?

2017-08-26 Thread Abderrahmane Reggad
Dear wien2k users We know that the ion Fe+2 has a high spin configuration (3d6 (teg(4) eg(2)) because the crystal field effect.. How to check that from calculation ? Best regards ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at

Re: [Wien] How to simulate the ionic state of a compound?

2017-08-24 Thread Abderrahmane Reggad
for the articles Best regards 2017-08-24 1:23 GMT+01:00 Abderrahmane Reggad <jazai...@gmail.com>: > Thank you for all for the rich discussion > > If I introduce the Ni atom and I change the Z number to 27 or 26 it still > nickel because the atom is ont only Z and I c

Re: [Wien] How to simulate the ionic state of a compound?

2017-08-23 Thread Abderrahmane Reggad
changes. An other question: We suppose that the ionic state of NiO is a result from the electron density , can we force this ionic state to be Ni+3S-3 and it's yes how? Best regards 2017-08-24 0:43 GMT+01:00 Abderrahmane Reggad <jazai...@gmail.com>: > Hello > > The reason

Re: [Wien] How to simulate the ionic state of a compound?

2017-08-23 Thread Abderrahmane Reggad
Hello The reason for my question is that I don't how does a DFT code work and I want to know if the ionic state is a result or an assumption. Thank you for contribution to clarify the picture. Best regards ___ Wien mailing list

[Wien] How to simulate the ionic state of a compound?

2017-08-22 Thread Abderrahmane Reggad
Dear wien users I want to simulate the NiO compound in its ionic state. We know that the Ni and O atoms have in their neutral state the atomic numbers 28 and 8 respectively. Now, if we want to study the ionic state of the compound Ni+2O-2, should we modify the atomic numbers to Z=26 for Ni and

[Wien] About the package OrthoOpt

2017-04-16 Thread Abderrahmane Reggad
Dear wien2k users I have done structural optimization for orthorhombic structure using OrthoOpt packge of Tomas Kana but it works well. How to fix the problem? Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel:

Re: [Wien] Tetragonal lattice parameters optimization

2017-03-15 Thread Abderrahmane Reggad
Hello To optimize the tetragonal structure as for the hexagonal structure you can use the 2D-optimize package included in the wien2k code as in the following link: https://wien2k-algerien1970.blogspot.com/2016/09/optimization-of-hexagonal-and.html Good luck -- Mr: A.Reggad Laboratoire de

Re: [Wien] How to use the LIBXC library?

2017-01-19 Thread Abderrahmane Reggad
You have right Dr gavin When I have opened the link in another web browser I could get the new version of userguide.I get the same version after I have delete the cash data. Thanks Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL

Re: [Wien] How to use the LIBXC library?

2017-01-18 Thread Abderrahmane Reggad
Thanks Dr gavin for all I still get the old version , I don't know why Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie ___ Wien mailing list

Re: [Wien] How to use the LIBXC library?

2017-01-18 Thread Abderrahmane Reggad
Thank you Dr for your detailed explanation as usual. Now, It becomes clear to me But the link of the userguide is for that of WIEN2k 14.2 version. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel:

[Wien] How to use the LIBXC library?

2017-01-17 Thread Abderrahmane Reggad
Dear wien developpers The new version of wien2k is arrived but there is no sufficient information on how to use the new library LIBXC implemented and how to combine the different functionals for exchange and correlation to get a result close to the experimental one. Best regards -- Mr:

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-17 Thread Abderrahmane Reggad
Thanks again Dr Gavin * I see that the procedure in w2web is different from that of terminal * I couldn't understand why use x lapw1 -band -dn -orb when up is selected and use x lapw1 -band -up -orb when dn is selected * Do we make one plot for both spins or one plot for every spin? Best

Re: [Wien] The correlation and exchange formulas of potential and energy for PBE functional

2017-01-17 Thread Abderrahmane Reggad
Thanks again Dr Gavin for the explanation Since the total potential Vt is calculated by the program lapw0, we can find in the repertory SRC_lapw0 how the diiferent parts are implemented and their formulas. -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse:

Re: [Wien] The correlation and exchange formulas of potential and energy for PBE functional

2017-01-17 Thread Abderrahmane Reggad
Thanks again Dr Gavin for the explanation Since the total potential Vt is calculated by the program lapw0, we can find in the repertory SRC_lapw0 how the diiferent parts are implemented and their formulas. On other side, I think the new library LIBXC contains all the formulas of the didderent

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-16 Thread Abderrahmane Reggad
Thank you Dr Gavin for the detailed explanation Can we adopt this procedure for band structure x lapw1(c) -band -up -orb # eece potential is included by orb x lapw1(c) -band -dn -orb x spaghetti (-c) -up x spaghetti (-c) -dn Best regards -- Mr: A.Reggad Laboratoire de Génie

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-16 Thread Abderrahmane Reggad
Hello again According to the notes of Elias Assmann ( http://susi.theochem.tuwien.ac.at/reg_user/textbooks/WIEN2k_lecture-notes_2013/ldau.pdf) the program flow of the EECE method is as follows: runsp -eece - lapw0 lapw1 -orb -up,dn -lapw2 -up,dn - lcore -up,dn -lapwdm -up,dn - lapw2 -eece

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-16 Thread Abderrahmane Reggad
Thank you again Dr Gavin for the answer Effectively what you have said The adding of the flag "-eece" doesn't make error but it doesn't make change Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel:

Re: [Wien] The correlation and exchange formulas of potential and energy for PBE functional

2017-01-16 Thread Abderrahmane Reggad
Yes I have read this subject but I am looking the formulas of GGA(PBE) functional Dr gavin has given a reference for the formulas for the energy parts but i am still waiting for the potential parts. Thank you Dr Gerhard for the effort Best regards -- Mr: A.Reggad Laboratoire de Génie Physique

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-16 Thread Abderrahmane Reggad
I am sorry I have made mistake The main script x_lapw has a flag " -eece " and the script x lapw1 doesn't I don't know what's the difference between them And about the difference between the x lapw1 and x lapw1 -eece commands lies in the fact that the first is for standard method (gga or lda )

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-16 Thread Abderrahmane Reggad
Thanks Dr Gavin for your answer - The the -eece flag exists for the script x lapw ( page 58 of the usetguide ( http://susi.theochem.tuwien.ac.at/reg_user/textbooks/usersguide.pdf ) and I tried it and it works well. - Even for spaghetti I have executed the following command and it doesn't give

Re: [Wien] The correlation and exchange formulas of potential and energy for PBE functional

2017-01-16 Thread Abderrahmane Reggad
Thank you Dr Gavin for your ansswer It's what I am looking for . What about the formulas of the potentials Pc and Px? Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie

Re: [Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-14 Thread Abderrahmane Reggad
Hello again I have found the procedure for DFT+U and I have deduct that for onsite hybrid as follows and I want to know if it's correct: - *Band Structure* 1. copy case.klist (case= hcp,fcc,bcc,sc) 2. copy case.insp and enter the value of Efermi in case.scf2 3. verify Emin Emax

[Wien] How to calculate Band structure and DOS by the onsite hybrid method

2017-01-14 Thread Abderrahmane Reggad
Dear wien users What's the procedure used to calculate the band structure and DOS using the onsite hybrid method. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie

Re: [Wien] The correlation and exchange formulas of potential and energy for PBE functional

2017-01-14 Thread Abderrahmane Reggad
Thank you Mr Boulet for you reply. I have already done this search and I couldn't find the formulas implemented in the wien2k code for the functional PBE. Pc(pbe),Px(pbe),Ec(pbe) and Ec(pbe)? Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse:

[Wien] The correlation and exchange formulas of potential and energy for PBE functional

2017-01-13 Thread Abderrahmane Reggad
Dear wien developpers I need the formulas of the correlation and exchange potentials and energies (Pc, Px, Ec and Ex) for the functional PBE implemented in the wien2k code . Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN

Re: [Wien] problem in 2Doptimize.job or in my method ...

2017-01-11 Thread Abderrahmane Reggad
For a beginner, and to use the 2Doptimize package with the method PBE+U he has to following procedure: - create a session using the w2web interface and put in the working repertory the following files: * case.struct with reduction factor equals to more than 10 percent to

Re: [Wien] The results of the 2Doptimize package

2017-01-10 Thread Abderrahmane Reggad
Thank you Prof Laurence for the information I have been knowing how to do that before until finding a converse statement in the guide of the 2Doptimize package that have confused me. Thank you again -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144

Re: [Wien] The results of the 2Doptimize package

2017-01-10 Thread Abderrahmane Reggad
Thank you Prof Blaha This is what I did until I found in the guide of the 2Doptimize package to uncomment this line for the SP case it would be confusing for me. Thank you again -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA

Re: [Wien] The results of the 2Doptimize package

2017-01-09 Thread Abderrahmane Reggad
Thank you very much Dr Guechi for your help Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie ___ Wien mailing list

Re: [Wien] The results of the 2Doptimize package

2017-01-09 Thread Abderrahmane Reggad
Thanks De Ghechi for your answer But I didn't the statement to uncomment this line only for SP case according the guide of 2Doptimize.job from this link http://susi.theochem.tuwien.ac.at/reg_user/textbooks/2Doptimize.pdf Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université

Re: [Wien] The results of the 2Doptimize package

2017-01-09 Thread Abderrahmane Reggad
Dear again For the Optimize.job script as for the 2Doptimize.job script it's necessary to uncomment the following line for spin-polarized case : # recommended option: use charge extrapolation *clmextrapol_lapw --> # **clmextrapol_lapw* if (-e NiS-afmI-opt2D_E09.clmup && \ ! -z

Re: [Wien] The results of the 2Doptimize package

2017-01-08 Thread Abderrahmane Reggad
Thank you Prof Blaha for these guidelines . They will be of great benefit for me. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie ___ Wien

Re: [Wien] Tr : Boltztrap with symmetry operation "inversion"!

2017-01-07 Thread Abderrahmane Reggad
You can use the boltztrap code for every structure What's the problem of inversion symmetry ? you will find the following links beneficial for you http://wien2k-algerien1970.blogspot.com/2016/09/the-installation-and-execution-of.html

Re: [Wien] The results of the 2Doptimize package

2017-01-07 Thread Abderrahmane Reggad
Thank you Dr Guechi for your answer Now how to solve this problem Iteration 23 WSSR: 5.95105e-25 delta(WSSR)/WSSR : -0.343082 delta(WSSR) : -2.0417e-25 limit for stopping : 1e-05 lambda : 1.12698e+07 resultant parameter values a1 = -1536.32 a2

Re: [Wien] The results of the 2Doptimize package

2017-01-07 Thread Abderrahmane Reggad
I have found in which file I get the optimal values of the lattice parameters but the question is now what's the best fit order to use. There are big differences between the result of different fit orders # Order of fit 3 a0= 6.60816 , c0= 10.1455 bohr a0=

Re: [Wien] LIBXC 3.0

2017-01-04 Thread Abderrahmane Reggad
You may download the compiled version (compiled with the compiler ifort ) from this link : https://drive.google.com/open?id=0B-QmTukdEFfQX29LcHRSbzktYjQ and you may follow this video for the installation of the new version of wien2k_2016.1

[Wien] LIBXC 3.0

2017-01-04 Thread Abderrahmane Reggad
You may download the compiled version (compiled with the compiler ifort ) from this link : https://drive.google.com/open?id=0B-QmTukdEFfQX29LcHRSbzktYjQ and you may follow this video for the installation of the new version of wien2k_2016.1

[Wien] The results of the 2Doptimize package

2017-01-04 Thread Abderrahmane Reggad
Dear wien users I have optimized an hexagonal structure with the package 2Doptimize and I want to know in which file we find the optimal values of the volume V and the ratio c/a. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL

Re: [Wien] Different convergences in Non-SP and SP methods

2017-01-04 Thread Abderrahmane Reggad
Thank you Dr Pieper for you answer According to the results with a difference of 0.001 Ry , can we considere the 2 calculations are the same ? Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963

Re: [Wien] Different convergences in Non-SP and SP methods

2017-01-02 Thread Abderrahmane Reggad
Thank you Prof Blaha for your reply I have used the default convergence criterium (-ec 0.0001) and I need to use the values to get the same curve. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel:

Re: [Wien] Different convergences in Non-SP and SP methods

2016-12-29 Thread Abderrahmane Reggad
Here is the picture https://3.bp.blogspot.com/-nQPv4kYEP6E/WGTv3rUyu_I/B6s/XBiwlkWG7oIeG73NeliKhvwaTzqYHrlsQCEw/s640/E-V-Plot2.png -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie

[Wien] Different convergences in Non-SP and SP methods

2016-12-29 Thread Abderrahmane Reggad
Dear wien users I have done the same calculation with 2 different and equivalent methods and they gave me different results as it's shown in the joined picture. 1- Non Spin Polarized calculation GGA using the command run_lapw 2- Spin Polarized calculation GGA using the command runsp_c_lapw This

Re: [Wien] Convergence problem within the method GGA+U

2016-12-22 Thread Abderrahmane Reggad
Thanks again Dr Fecher for your answers - it can never stop precisely at the number you give That's what happened in my case but according to the statement of Prof Blaha we can't refer to the web screen printing and we have to check the case.daytime during every cycle Best regards -- Mr:

Re: [Wien] Convergence problem within the method GGA+U

2016-12-22 Thread Abderrahmane Reggad
Thank you Prof Blaha for your answer 1- "From the file on the web, you cannot determine the final convergence" I haven't been knowing that before and thanks before for this information and I realize that's the source of confusion. 2- "The numbers you quote are for the last but one iteration,

Re: [Wien] Convergence problem within the method GGA+U

2016-12-22 Thread Abderrahmane Reggad
Hello again When you choose a convergence criterion for energy equal to 0.1 , do you think it's normal that the scf cycle stops arbitrarily ; onetime stops when dE= 0.59 and another time stops when dE= 0.23 and so on. I didn't see such a situation in the previous versions Best

Re: [Wien] Convergence problem within the method GGA+U

2016-12-22 Thread Abderrahmane Reggad
Hello again I have deleted the following option of charge extrapolation because with it the convergence was worst clmextrapol_lapw if (-e NiS-afmI-optV_U0-ec1.clmup && ! -z NiS-afmI-optV_U0-ec1.clmup) then clmextrapol_lapw -up clmextrapol_lapw -dn endif Best regards --

[Wien] Convergence problem within the method GGA+U

2016-12-22 Thread Abderrahmane Reggad
Dear wien2k users To determine to magnetic ground state among three states , I have made three calculations for each state . The problem encontred is to get the convergence for all the case even with the increade of k points number and the energy convergence criteria. I have joined the SCF

Re: [Wien] The self-interaction-correction still exists for U=0

2016-12-21 Thread Abderrahmane Reggad
Thank you Dr Fecher for your reply 1- My question "why " is related to the fact normally DFT+U method with U=J=0 leads to the DFT method but for me despite the trying to control the convergence I got a little difference. I wanted to make sure that the fact to make U=0 and J=0 would lead the make

Re: [Wien] The self-interaction-correction still exists for U=0

2016-12-19 Thread Abderrahmane Reggad
Hello again I am wainting for an answer for my last question and I think Mr Novak is the most qualified to do that since he's whose implemented the approach LDA+U in the wien2k code. -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN

Re: [Wien] The self-interaction-correction still exists for U=0

2016-12-16 Thread Abderrahmane Reggad
Thank you Prof Blaha for your answer I have found this textbook presented by your person ( textbook

Re: [Wien] The self-interaction-correction still exists for U=0

2016-12-16 Thread Abderrahmane Reggad
Hello again Now, to answer my question I need from the wien2k developpers to provide us the Hamiltonian of the LDA+U(SIC) introduced by Anisimov and implemented in the wien code. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL

[Wien] The self-interaction-correction still exists for U=0

2016-12-14 Thread Abderrahmane Reggad
Dear wien users I have some queries about the LDA+U method of Anisimov 1- Is the SIC version of LDA+U method the only one put by Anisimov ? because there are many works of Anisimov where there is no indication for the version of LDA+U method. 2- If we put U=0 , the self-interaction

Re: [Wien] Which formalism is adopted in the DFT+U method

2016-12-14 Thread Abderrahmane Reggad
Thank you Fecher for your answer I think the both formalisms are not implemented in the wien2k package Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse: BP 144 AL ATTAF AIN DEFLA Tel: +213(0)561861963 Algerie

[Wien] Which formalism is adopted in the DFT+U method

2016-12-12 Thread Abderrahmane Reggad
Dear wien users We know all that there are two formalism for the DFT+U method : the Dudarev and the Liechtenstein formalisms. I want to know is adopted in the wien2k code for the DFT+U method. Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Adresse:

Re: [Wien] Can we eliminate the correlation-exchange effect

2016-12-04 Thread Abderrahmane Reggad
Hello again I am wainting for an answer to my question Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Algerie ___ Wien mailing list Wien@zeus.theochem.tuwien.ac.at

[Wien] Can we eliminate the correlation-exchange effect

2016-12-03 Thread Abderrahmane Reggad
Dear wien users I want to study the effect of correlation and exchange upon some properties separately and I want to know if it's possible to do that . i.e. eliminate the exchange effect and maintin the correlation effect and the inverse . NB: I know that we can't do it completly since the both

Re: [Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-30 Thread Abderrahmane Reggad
Thank you a lot Dr Pieper for your contribution I have already given the question to Dr Elias and I am wainting Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Algerie ___ Wien mailing list

Re: [Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-30 Thread Abderrahmane Reggad
Thank you Dr Assmann for the clarification Now , Can we consider a part of d electrons as localized and the other part as itinerant (for example half and half )? Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Algerie

Re: [Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-30 Thread Abderrahmane Reggad
Thank you Dr pieper again for the clarification Now, It's clear for me Another question is as follows: How to consider electrons (for example d electrons ) as localized or itinerant or half half or it's considered within the calculation? Best regards -- Mr: A.Reggad Laboratoire de Génie

Re: [Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-30 Thread Abderrahmane Reggad
Thank you Dr Pieper for the clarification. How much does the including of the localized d orbitals inside the atomic spheres improve the band gap and the magnetic moment ? And how can we include all the localized d orbitals inside the atomic spheres? Best regards Mr: A.Reggad Laboratoire de

Re: [Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-28 Thread Abderrahmane Reggad
Thank you Prof Cottenier for your answer My question is made according to the following statement: " The DFT+U and EECE are applied only inside atomic spheres " What does it mean that and how to realize it ? Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun -

Re: [Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-28 Thread Abderrahmane Reggad
Sorry for my question I realized that the energy cut off determine the valence and the core states. The question is now as follows: Wen we use the maximum values for the Rmt such a way the spheres become touched. Does that guarantee that the 3d electrons are all inside atomic spheres? Best

[Wien] How to include the localized d orbitals in the atomic spheres?

2016-11-27 Thread Abderrahmane Reggad
Dear wien users The orbital potential in DFT+U and EECE for localized orbitals will be included only inside the atomic spheres . To include these localized orbitals, we need a value for energy cut off larger than -6 Ry (maybe -2 Ry ). Is it the only way to include the localized orbitals in the

Re: [Wien] Discrepancy in the simulation of the paramagnetic state

2016-11-27 Thread Abderrahmane Reggad
Thank you All for your contributions to enrich the subject . >From the beginning, I was convinced with the statement of prof Blaha, But when you find in literature some work where they simulate the paramagnetic state by the non-spin-polarized calculation this causes a troube. On this base, I

Re: [Wien] Discrepancy in the simulation of the paramagnetic state

2016-11-26 Thread Abderrahmane Reggad
Thank you Prof Blaha for your quick answer. The Ni atom is 3d transition metal . But my question is about the simulation of the paramagnetic state. There are many people that considere that the paramagnetic state is the non-spin polarierd one and the magnetic moment is zero, but you say no and

[Wien] Discrepancy in the simulation of the paramagnetic state

2016-11-26 Thread Abderrahmane Reggad
Dear Wien2k and Prof Blaha According to Prof Blaha ( https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg01133.html ) , in the paramagnetic state, the local magnetic moments still exists bur oriented in arbitrary directions. And according to this approach , there are infinite

Re: [Wien] How to get the experimental gap with mBj, PBE+U and EECE methods

2016-11-23 Thread Abderrahmane Reggad
Thank you again Prof Tran and Prof Laurence for your notes and guidenesses. For the procedure to searching the best method giving the best gap I am looking for . Best regards -- Mr: A.Reggad Laboratoire de Génie Physique Université Ibn Khaldoun - Tiaret Algerie

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