[Pw_forum] GW tutorial

2010-07-06 Thread hanghui chen
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[Pw_forum] GWW of bulk silicon

2010-07-06 Thread shudong wang
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[Pw_forum] Zone centre phonons in ZrO2 ?

2010-07-06 Thread sonu kumar
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[Pw_forum] Zone centre phonons in ZrO2 ?

2010-07-06 Thread sonu kumar
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[Pw_forum] Distributing phonon calculations todifferent machines

2010-07-06 Thread Huiqun Zhou
Thanks, Andrea. As indicated in the script below, I have copied all files and directories created by pw.x run. if test ! -d $TMP_DIR/${system}/q${i} ; then mkdir $TMP_DIR/${system}/q${i} cp -r $TMP_DIR/${system}/${system}.* $TMP_DIR/${system}/q${i} fi BTW, could you please

[Pw_forum] Cannot reproduce standard CO/Au(111) adsorption energy

2010-07-06 Thread Duy Le
How did you evaluate energy of a CO molecule? -- Duy Le PhD Student Department of Physics University of Central Florida. "Men don't need hand to do things" On Tue, Jul 6, 2010 at 4:45 PM, Janesko, Benjamin wrote: >> On Jun 25, 2010, at 19:34 ,

[Pw_forum] Cannot reproduce standard CO/Au(111) adsorption energy

2010-07-06 Thread Janesko, Benjamin
> On Jun 25, 2010, at 19:34 , Janesko, Benjamin wrote: > > > Everything looks reasonable in XCrysDen > > and what is the C-Au or O-Au distance? it seems to me that the CO > molecule is very far away from the gold surface. If so, it is normal to > find very small binding energies > > P. > --- >

[Pw_forum] Zone centre phonons in ZrO2 ?

2010-07-06 Thread sonu kumar
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[Pw_forum] Zone centre phonons in ZrO2 ?

2010-07-06 Thread Paolo Giannozzi
On Jul 6, 2010, at 12:13 , sonu kumar wrote: > I am not able to make the accoustical mode=0 cm-1. nor is anybody else: http://www.quantum-espresso.org/user_guide/ node61.html#SECTION000128020 P. --- Paolo Giannozzi, Dept of Physics, University of Udine via delle Scienze 208,

[Pw_forum] Is the Graphite surface flat ?

2010-07-06 Thread Giuseppe Mattioli
Dear Masoud > this pseudopotential reproduces the experimental cell > parameter of the bulk correctly and exactly. the predicted cell parameter > in z-direction (c) by the other pseudopotentials is not so exact and > sometimes, a difference about 1 angstrom compared to experimental value >

[Pw_forum] Is the Graphite surface flat ?

2010-07-06 Thread Nicola Marzari
Masoud Nahali wrote: > > *to D. C. Andera: *this pseudopotential reproduces the experimental > cell parameter of the bulk correctly and exactly. the predicted cell > parameter in z-direction (c) by the other pseudopotentials is not so > exact and sometimes, a difference about 1 angstrom

[Pw_forum] Distributing phonon calculations to different machines

2010-07-06 Thread Huiqun Zhou
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[Pw_forum] How to compute polarization in the (111) direction?

2010-07-06 Thread Lim Chiang Huay, Freda
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[Pw_forum] Distributing phonon calculations to different machines

2010-07-06 Thread Huiqun Zhou
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[Pw_forum] Is the Graphite surface flat ?

2010-07-06 Thread Masoud Nahali
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[Pw_forum] Distributing phonon calculations to different machines

2010-07-06 Thread Dal Corso Andrea
On Tue, 2010-07-06 at 12:13 +0800, Huiqun Zhou wrote: > Sorry, I sent an unfinished message. > > When using _ph0{prefix}.phsave, I got the error message shown in the > previous > message. > > Here is the snippet of my script for distributing lsf tasks: > > .. > nq=`sed -n '2p'

[Pw_forum] Is the Graphite surface flate?

2010-07-06 Thread Dal Corso Andrea
On Mon, 2010-07-05 at 18:19 +, Masoud Nahali wrote: > Dear Quantum Espresso users > > I optimized the graphite bulk and the layers were completely flat. But > when I try to "relax" the graphite surface (slab 2*2 with 3 monolayer) > with 10 angstrom vacuum all the layers become extremely

[Pw_forum] Total magnetization and local magnetic moment

2010-07-06 Thread Padmaja Patnaik
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[Pw_forum] Is the Graphite surface flate?

2010-07-06 Thread Giuseppe Mattioli
Dear Masoud apart from the pseudo problem issued by Andrea, you could try the keyword london=.true. It adds a Van der Waals contribution to total energy and it is likely to improve the interlayer interactions in your system. Hope this helps Giuseppe On Monday 05 July 2010 20:19:19 Masoud

[Pw_forum] Um convite especial

2010-07-06 Thread Álvaro Santos Alves
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