urie)
> Department of Materials Science and Engineering, Northwestern University
> www.numis.northwestern.edu
> "Research is to see what everybody else has seen, and to think what nobody
> else has thought" Albert Szent-Györgyi
>
> On Thu, Jul 27, 2023, 07:50 Ashwani Kumar
operations like rotations,...)
>
> If you put atoms randomly into a cubic box, the lattice is still cubic,
> but the spacegroup will be P1.
>
> Am 7/27/23 um 09:26 schrieb Ashwani Kumar:
> > Hello everyone,
> > I am doing SCF calculation for impurity atom
Hello everyone,
I am doing SCF calculation for impurity atom (single atom)
doped 3x3x3 supercell(SC) calculation. I knw that doping of impurity atom
in SC breaks its symmetry. To know the space group of impurity atom doped
SC, x sgroup was performed and new case.struct file is
allel
> mpi compile were as it seems the serial must have compiled fine
> indicating that the problem might be with the parallel compile settings
> in siteconfig or the parallel environment on the system.
>
> On 1/17/2022 2:58 AM, Ashwani Kumar wrote:
> > Hi,
> > Program &q
Hi,
Program "lapw2 -qtl" crashed during DOS calculation for 2x2x2 supercell
of ABO3. Searched W2K mailing list for the solution. Found patches for
lapw2 program and others. Patch for aim, nn applied and programe
re-compiled without any error. Patch for lapw2 applied but program does
not compile
lse has thought", Albert Szent-Györgyi
> www.numis.northwestern.edu
>
> On Thu, Sep 2, 2021, 11:47 Ashwani Kumar wrote:
>
>> Hello everyone,
>> Recently, I have upgraded wien2k version (from ver19 to ver21) and OS
>> ( ubuntu 18.04 to 20.04 LTS). I have followed the
Laurence Marks
> "Research is to see what everybody else has seen, and to think what nobody
> else has thought", Albert Szent-Györgyi
> www.numis.northwestern.edu
>
> On Thu, Sep 2, 2021, 11:47 Ashwani Kumar wrote:
>
>> Hello everyone,
>> Recently, I have upg
Hello everyone,
Recently, I have upgraded wien2k version (from ver19 to ver21) and OS (
ubuntu 18.04 to 20.04 LTS). I have followed the procedure as described in
thread
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg21134.html
i am getting the error during initialization of
says exactly what the problem is:
>
> Your structure does not have a free parameter and cannot be relaxed.
>
> Try it with another example, e.g. TiO2 or a surface, ...
>
>
> Am 3/30/21 um 1:36 PM schrieb Ashwani Kumar:
> > Hi,
> > I have recently re-installed wie
Hi,
I have recently re-installed wien2k (for latest version) on my
workstation with ubuntu 18.04 OS. Everything works fine except for pairhess
program. I then cross checked with TiC example also. Case.inm file is not
getting created by pairhess. Error file shows message " 'PairHe' - Error,
Dear Dr. Marks,
(a). which functionals you recommend.
(b).And how should i model it.
But same method reported for Ta -doped Hafnia. EFG matches very well with
experimentally determined value. Even the assysmetry parameter matched to
accuracy of ~17% (assymetry parameter seems to be sensitive to
ve you relaxed the structure ? Is the EFG converging
> to an accuracy you need.
>
> As Laurence mentioned before: rkmax=4 is nonsense, 5.5 is a rather crude
> minimal value.
>
>
> On 6/6/20 11:50 PM, Ashwani Kumar wrote:
> > hi.
> > SCF for charged supercell (added 1
dy else has seen, and to think what nobody
> else has thought", Albert Szent-Gyorgi
> www.numis.northwestern.edu
>
> On Sun, Jun 7, 2020, 15:29 Ashwani Kumar wrote:
>
>> Hello Dr. Marks,
>>I could not explain myself due to 40 kb size limitation. I want to
>>
2) K-points
> http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien
>
> _
> Professor Laurence Marks
> "Research is to see what everybody else has seen, and to think what nobody
> else has thought", Albert Szent-Gyorgi
> www.numis.northwestern.edu
>
> On Sat,
hi.
SCF for charged supercell (added 1 electron in case.in2 & 1.0 in
case.inm) is not converging for rkmax 5.5. :ENE and :DIS shows energy
convergence but non convergence of charge distance. For rkmax 4.0 ,
both :ENE and :DIS converged. :ENE and :DIS outputs are attached for
your reference. please
3 MPI processes per node
> with 4 OpenMP threads for each in this case.
>
> On Thu, 2019-12-12 at 12:28 +0530, Ashwani Kumar wrote:
> > Hi,
> >This is related to no. of k-points which we provide during the
> > initilization. No. of k-gen points given ; 120 with shift
Hi,
This is related to no. of k-points which we provide during the
initilization. No. of k-gen points given ; 120 with shifted mesh. Irr.
k-points : 24k points. Running job on 3 nodes (12 x3 processors, 48 gb x 3
Ram). Job running on 24 processors only (with granularity: 1, extrafine:1
in
zent-Gyorgi
> www.numis.northwestern.edu
>
> On Tue, Dec 10, 2019, 20:39 Ashwani Kumar wrote:
>
>> Hi,
>> As Dr. Marks pointed out earlier in thread:
>> https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg19343.html
>> <h
Hi,
As Dr. Marks pointed out earlier in thread:
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg19343.html
& https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg19331.html
about missing of Hydrog in struct file of KHfOxalate (formula :
K4Hf(C2O4)4.5H2O). Could not
thanks Dr. Gavin. With wien2k version 19, we could do MPI_parallelization
also at cluster (but without ELPA).
thanking you,
A. kumar
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Hi,
I upgraded wien2k version from 16 yo 19.1 (remove earlier one, fresh
installation of W2K_19.1) on 6 core(x2thread) PC. This time LIBxc, fftw3
also installed and suitable libraries linked to compiler option in site
configuration (as mentioned in mailing list threads). WIEN2k_19.1 compiled
Thank you Dr. Marks for the comments. Case.struct file is attached.
1) With a largish unit cell like this you only need 1 k-point for optimization
Noted. i will repeat calc. with 1 k-point for optimization.
2) An RKMAX of 3.5 is absurdly small. You probably misinterpreted the
CIF file, which I
cTJV
https://drive.google.com/open?id=0B97owdomubQ7QWplS3IzeEx6QjlmMFo2bzY1QXFHSXhwUW44
thanks,
A. kumar
On Mon, Dec 2, 2019 at 2:43 PM Ashwani Kumar wrote:
> Hi,
>i want to calculate EFG for a oxalate compound. During structure
> relaxation calculation (min_lapw), lapw2 failed
Hi,
i want to calculate EFG for a oxalate compound. During structure
relaxation calculation (min_lapw), lapw2 failed after 32 iterations. Error
file is attached with the mail.
Calculation steps:
1. Charge and energy convergence -successfully terminated
2. Force convergence (run_lapw -p -fc
Hi,
This is related to EFG value obtained during the SCF and Vzz
calculated after EFG switch.
I could reproduce DFT results of Hafnia published in article
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.78.165206 by Alonso
et al. but has some doubts related to EFG value to be
e).
thanks and best regards,
On Fri, Jun 7, 2019 at 2:18 PM Ashwani Kumar wrote:
> Hi,
> initialization works fine in sequential step by step but shows
> forrtl:severe (24) end of file when command :init_lapw -b -vxc 13 -ecut 6.4
> -numk 8000. is executed. What could be
Hi,
initialization works fine in sequential step by step but shows
forrtl:severe (24) end of file when command :init_lapw -b -vxc 13 -ecut 6.4
-numk 8000. is executed. What could be the reason for this error. files are
attached for the convenience.
thanks and best regards,
A. Kumar
**Best Wishes for Year 2019***
Hi,
How to contruct a structure with fractional site occupancy by different
atoms.
**
formula: InEuCe(MoO4)3
Space group Name : I 41/a
Tetragonal Lattice : (5.25, 5.25,
). That's why i tried my calculations for O-vacancy.
thanks,
A. Kumar
On Wed, Dec 19, 2018 at 4:23 PM Lyudmila Dobysheva wrote:
> 18.12.2018 22:38, Ashwani Kumar wrote:
> > the assymetry parameter, (Vxx-Vyy)/Vzz, is zero
> > (wien2k calculation)
>
> I just want to be sure
rse A.
Thanks,
A. Kumar
On Wed, Dec 19, 2018 at 12:08 AM Ashwani Kumar
wrote:
> hi,
>thanks for reply. the assymetry parameter, (Vxx-Vyy)/Vzz, is zero
> (wien2k calculation) whereas i got 0.52 from TDPAC (Time dependent
> perturbed angular correlation) spectroscopy for a SrTi
: 7.0,
thanks,
A. Kumar
On Fri, Dec 14, 2018 at 11:02 PM Ashwani Kumar
wrote:
> Hi,
> i have calculated EFG the defect structure of crystalline system from
> experimental data from PAC spectroscopy. Then using WIEN2K (crystal
> structure--> supercell--> defect introduced),
Hi,
i have calculated EFG the defect structure of crystalline system from
experimental data from PAC spectroscopy. Then using WIEN2K (crystal
structure--> supercell--> defect introduced), EFG is calculated.
Exper. Calculated : 1.69 x 10^21 V/m2 whereas wien2k calculation: -1.66 x
10^21 V/m2
Hi,
C/a, Volume optimization performed for Monoclinic structure (Ta-doped
Hafnia). Obtained the EOS (equation of state), Bulk modulus values (from
case.outputeos) but where to get the optimized lattice parameters value of
monoclinic cell.
Regards,
A. Kumar
he support.
Regards,
A. Kumar
-- Forwarded message -
From: Ashwani Kumar
Date: Mon, Nov 19, 2018 at 11:54 PM
Subject: "OpenBlas" package instead of default "blas"
To:
Dear Dr. Pavel Ondracka,
In previous thread,
https://www.mail-archive.com/wien@zeus.theoc
hello everyone,
i constructed 2x2x2 BaTiO3 supercell and want to create oxygen
vacancies. How it should be done.
thanks,
A. Kumar
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will install
openblas and will try to make k-point parallelization working after
the current research problem.
Thanks and Regards,
A. Kumar
On 11/19/18, Ashwani Kumar wrote:
> Dear Dr. Pavel Ondracka,
> In previous thread,
> https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at
Dear Dr. Pavel Ondracka,
In previous thread,
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg18098.html
you advised to use OpenBlas package to extract best performance from
processor. Since i was having problem with wien2k installation, so i went
with Dr. Gavin's set of
Thanks for sharing the thread.
thanks ,
Ashwani Kumar
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verted to bohr value in case.struct but unit
mentioned remained Ang. And i was using those values in Ang. unit untill i
got doubt over the lattice parameters mentioned in the document.
thanks,
A. Kumar
-- Forwarded message -----
From: Ashwani Kumar
Date: Fri, Nov 16, 2018
Hi,
I repeated EFG calculation of In several times.
EFG001 from case.scf : 1.48015 *10**21 V / m**2 (got exactly same
value with winen2k version 16)
EFG expected (from Example): 3.74 *10**21 V / m**2
Fermi Energy : -0.11187
Ferm. Eg expected : 0.41
Please find further information mentioned
Hi,
i am working with wien2k exercises (downloaded from wien2k websites) before
i proceed with my problem of interest (SrTiO3) to be comfirtable with flags
and options available in the code. I have observed the wien2k18.2 results
are not exactly same as mentioned in wien exercise ppt.
Recently i
l try to repeat some of the examples at wien2k17 version but please
help me to understand what could have gone wrong in the calculation.
thanks and regards.
A. Kumar
On Tue, Oct 30, 2018 at 12:09 AM Ashwani Kumar
wrote:
> Hi,
> I was working with Wien2k exercise of TiN. I already ment
do it. I am
using xcrysden offline. Please help with this.
thanks,
Ashwani Kumar
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vin and Mr. Pavel for the support.
thanks
Ashwani Kumar
On Wed, Oct 24, 2018 at 1:57 AM Ashwani Kumar wrote:
> thank you, Program compiled successfully withour any error. I tried to
> remove manually but still some error occurred, Followed Mr. Gavin's method
> (from previous thread) fo
nks
Ashwani Kumar
On Tue, Oct 23, 2018 at 12:13 AM Ashwani Kumar
wrote:
> Mr. Pavel, i have just noted down your point (and will imply once i start
> using WIEN2K and gets more comfortable with the code). SPEED MATTERS A LOT.
> Thanks Mr. Gavin. Earlier issue solved. Now lap
Mr. Pavel, i have just noted down your point (and will imply once i start
using WIEN2K and gets more comfortable with the code). SPEED MATTERS A LOT.
Thanks Mr. Gavin. Earlier issue solved. Now lapw0 and lapw2 not executable
which i doubt is due to LIBXC (or may not). Your previous reply
Hi,
Working with examples of TiO2 for structrual optimization from wien2k
manual. Everything executed nicely. however i want to ask wether volume
optimization (x optimize) has to be done first followed by structural
optimization (mini_lapw port) or vice-versa. Working with hafnia, then one
of
hi,
Please help me to understand what could be the reason for lapw crash.
snapshot is attached with this mail.
thanks,
A Kumar
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Thanks Dr. Gavin,
I have browsed through threads and found one by Dr. Subrata Jana related
to wien2k in parallel mode. Downloaded the attachement shared by you. I
will discuss with our IT facility expert.
Thanks,
A kumar
-- Forwarded message --
From: Ashwani Kumar <ashw
hi,
I am new to wien2k and trying to my best to understand/learn the usage of
the code. Found wien2k mailing list an excellent platform to seek help from
experienced users. But it is little difficult to post some queries due to
size limit (40kb, hence sharing information in parts). In my last post
In connection to earlier post. please find the attached file
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Hi,
Created Hafnia 2*2*2 P-type supercell. Called super struct file to
StructGen in the interface. Split one atom of Hf from equivalency, changed
its Z, Symbol (Ta), saved struct file (wanted to keep dope level ≤1%).
Initialization executed, hangs at NN program (for 2 days), stop with the
error.
_lapw", program
remains in calculating "nn" for more than two days (and stops with error).
Redone whole supercell formation. This time .machine file was also prepared
for wien2k execution in parallel mode. Executed
On Thu, Apr 12, 2018 at 9:36 PM, Ashwani Kumar <ashwa
and stops with error).
Redone whole supercell formation. This time .machine file was also prepared
for wien2k execution in parallel mode. Executed
On Thu, Apr 12, 2018 at 9:36 PM, Ashwani Kumar <ashwani@gmail.com>
wrote:
> Will it be fine to make supercell using supercell program and
Will it be fine to make supercell using supercell program and then call it
in wien2k user interface by StructGen where i can change the way i want it
(Rename 1 Hf atom ---> Ta, changed Z), save it and use it in further
calculation.
thanks,
A. Kumar
On Thu, Apr 12, 2018 at 8:09 PM, Ashwani Ku
Hi,
Created a Hafnia (HfO2) supercell of 2*2*2. I want to dope just one
atom in the supercell. When i edit the super.struct file using vi editor ,
4 equivalent Hf atoms get replaced by Ta in supercell (viewed using
xcrysden). Target Lattice type is P. I want to dope only one atom to
supercell.
thanks for highlighting the thread.
thanks
A. Kumar
On Tue, Apr 10, 2018 at 5:31 PM, Ashwani Kumar <ashwani@gmail.com>
wrote:
> I browsed through subscribers list for solution of the
> "L2-main-qtl-B-error". Found threads on "L2-main-qtl-B-error". Atleast
lization
and then SCF executed successfully without any error. Is there any
difference between new scheme and old scheme of init_lapw. ?.
On Fri, Apr 6, 2018 at 9:13 PM, Ashwani Kumar <ashwani@gmail.com> wrote:
> Hi,
>Aimed to calculate EFG of Hafnia (monoclinic). Got error me
Hi,
Aimed to calculate EFG of Hafnia (monoclinic). Got error message
"L2-main-QTL-B-Error". Please find the screenshots of Case.in1 file for
convenience.
thanks
A. Kumar
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