<div dir="ltr"><div><div>dear Dr. Huu Chuong Nguyën (Bob)<br><br></div>plz set ldisp=.true in ph.x code and gamma point should be changed some value by other point <br><br> prefix = 'PAWlocal_Co3O4_mag_revPBE450_<wbr>323' ,<br>
                      fildyn = 'Co3O4.dynG' ,<br>
                       trans = .true.,<br></div>                      ldisp=.true,<br><div>
                    amass(1) = 15.99990,<br>
                    amass(2) = 15.99990,<br>
                    amass(3) = 58.93320,<br>
                    amass(4) = 58.93320,<br></div><div>nq1=1,<br></div><div>nq2=1,<br></div><div>nq3=1,<br>/<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Apr 5, 2017 at 11:37 PM, Huu Chuong Nguyën <span dir="ltr"><<a href="mailto:hnguyen@iciq.es" target="_blank">hnguyen@iciq.es</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
<br>
I am trying to compute vibrational frequencies for a bulk anti-ferromagnetic Co3O4 with QE 6.1 to know its Zero-point energy. After a geometry optimisation, I have run a scf calculation with pw.x:<br>
<br>
<br>
 &CONTROL<br>
                 calculation = 'scf' ,<br>
                restart_mode = 'restart' ,<br>
                  wf_collect = .true. ,<br>
                      prefix = 'PAWlocal_Co3O4_mag_revPBE450_<wbr>323' ,<br>
                   verbosity = 'high' ,<br>
                     tstress = .true. ,<br>
                     tprnfor = .true. ,<br>
 /<br>
 &SYSTEM<br>
                       ibrav = 1,<br>
                           A = 8.1585360148 ,<br>
                         nat = 56,<br>
                        ntyp = 4,<br>
                     ecutwfc = 34.0 ,<br>
                     ecutrho = 323.0 ,<br>
                   input_dft = 'revPBE' ,<br>
                 occupations = 'tetrahedra_opt' ,<br>
                       nspin = 2 ,<br>
   starting_magnetization(1) = 0.4,<br>
   starting_magnetization(2) = -0.4,<br>
   starting_magnetization(3) = 0.9,<br>
   starting_magnetization(4) = -0.9,<br>
                      report = 1 ,<br>
 /<br>
 &ELECTRONS<br>
            electron_maxstep = 300,<br>
                    conv_thr = 1e-9 ,<br>
                 startingpot = 'file' ,<br>
                 startingwfc = 'random' ,<br>
                adaptive_thr = .true. ,<br>
               conv_thr_init = 1e-4 ,<br>
                 mixing_beta = 0.15 ,<br>
             diagonalization = 'cg' ,<br>
 /<br>
ATOMIC_SPECIES<br>
   O1   15.99990  O.revpbe-n-kjpaw_psl.1.0.0.UPF<br>
   O2   15.99990  O.revpbe-n-kjpaw_psl.1.0.0.UPF<br>
  Co1   58.93320  Co.revpbe-n-kjpaw_psl.0.2.3.<wbr>UPF<br>
  Co2   58.93320  Co.revpbe-n-kjpaw_psl.0.2.3.<wbr>UPF<br>
ATOMIC_POSITIONS alat<br>
  Co1      0.624889370    0.874845281    0.374933343<br>
  Co2      0.624888554    0.624890765    0.124977843<br>
  Co1      0.374931369    0.874845108    0.624891800<br>
  Co2      0.874843981    0.624889689    0.374933687<br>
  Co1      0.749865119    0.749868048    0.749869202<br>
  Co2     -0.000000291    0.499912268   -0.000000091<br>
  Co1      0.624889318    0.374933355    0.874845725<br>
  Co2      0.624888564    0.124979485    0.624890990<br>
  Co1      0.374931352    0.374933292    0.124978809<br>
  Co2      0.874843684    0.124978234    0.874845862<br>
  Co1      0.749865073    0.249956415    0.249955786<br>
  Co2     -0.000000324    0.000001049    0.499913121<br>
  Co1      0.124978436    0.874844840    0.874845829<br>
  Co2      0.124977608    0.624890806    0.624891029<br>
  Co1      0.874842254    0.874845160    0.124978832<br>
  Co2      0.374932939    0.624889719    0.874845984<br>
  Co1      0.249953483    0.749868488    0.249955574<br>
  Co2      0.499910977    0.499912018    0.499913335<br>
  Co1      0.124978075    0.374933191    0.374933226<br>
  Co2      0.124977578    0.124979225    0.124977923<br>
  Co1      0.874842311    0.374933324    0.624891763<br>
  Co2      0.374933102    0.124978043    0.374933595<br>
  Co1      0.249953867    0.249956453    0.749869251<br>
  Co2      0.499910660    0.000000860   -0.000000039<br>
   O1      0.137098969    0.362813056    0.137098481<br>
   O2      0.112856608    0.612769174    0.387054264<br>
   O1      0.886963277    0.612768289    0.612770221<br>
   O2      0.886962961    0.387054004    0.387054223<br>
   O1      0.862725253    0.637010238    0.137097538<br>
   O2      0.862725063    0.862723604    0.362814259<br>
   O1      0.612767890    0.886965586    0.612769342<br>
   O2      0.637010640    0.637009824    0.362812520<br>
   O1      0.137098734    0.862724980    0.637011103<br>
   O2      0.112856856    0.112857670    0.886966422<br>
   O1      0.886963309    0.112856456    0.112857687<br>
   O2      0.886963380    0.886965697    0.886966315<br>
   O1      0.862724620    0.137098426    0.637010098<br>
   O2      0.862725043    0.362812354    0.862726595<br>
   O1      0.612767462    0.387053886    0.112857183<br>
   O2      0.637009979    0.137098292    0.862725069<br>
   O1      0.637009807    0.362813598    0.637011423<br>
   O2      0.612767649    0.612769353    0.886966165<br>
   O1      0.387052357    0.612768175    0.112857886<br>
   O2      0.387052541    0.387054258    0.886966096<br>
   O1      0.362814027    0.637010101    0.637010154<br>
   O2      0.362813976    0.862723773    0.862726808<br>
   O1      0.112856528    0.886965790    0.112857424<br>
   O2      0.137099117    0.637009666    0.862724849<br>
   O1      0.637010175    0.862725061    0.137098283<br>
   O2      0.612767456    0.112858199    0.387054320<br>
   O1      0.387052625    0.112856614    0.612770175<br>
   O2      0.387052565    0.886965924    0.387054098<br>
   O1      0.362813927    0.137098374    0.137097310<br>
   O2      0.362813993    0.362811469    0.362814300<br>
   O1      0.112856944    0.387053608    0.612769183<br>
   O2      0.137099468    0.137098115    0.362812356<br>
K_POINTS automatic<br>
  1 1 1   0 0 0<br>
<br>
<br>
which ended successfully.<br>
<br>
<br>
I then tried to run this script with ph.x:<br>
<br>
<br>
Phonons of Co3O4 at Gamma<br>
 &INPUTPH<br>
                      prefix = 'PAWlocal_Co3O4_mag_revPBE450_<wbr>323' ,<br>
                      fildyn = 'Co3O4.dynG' ,<br>
                       trans = .true.,<br>
                    amass(1) = 15.99990,<br>
                    amass(2) = 15.99990,<br>
                    amass(3) = 58.93320,<br>
                    amass(4) = 58.93320,<br>
 /<br>
0.0 0.0 0.0<br>
<br>
<br>
But I got this error message:<br>
<br>
<br>
     Program PHONON v.6.1 (svn rev. 13369) starts on  5Apr2017 at 19:11:52<br>
<br>
     This program is part of the open-source Quantum ESPRESSO suite<br>
     for quantum simulation of materials; please cite<br>
         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);<br>
          URL <a href="http://www.quantum-espresso.org" rel="noreferrer" target="_blank">http://www.quantum-espresso.<wbr>org</a>",<br>
     in publications or presentations arising from this work. More details at<br>
     <a href="http://www.quantum-espresso.org/quote" rel="noreferrer" target="_blank">http://www.quantum-espresso.<wbr>org/quote</a><br>
<br>
     Parallel version (MPI), running on     1 processors<br>
<br>
     Reading data from directory:<br>
     /home/hnguyen/Desktop/shared/<wbr>espresso_tmp/PAWlocal_Co3O4_<wbr>mag_revPBE450_323.save<br>
<br>
   Info: using nr1, nr2, nr3 values from input<br>
<br>
   Info: using nr1, nr2, nr3 values from input<br>
forrtl: severe (174): SIGSEGV, segmentation fault occurred<br>
Image              PC                Routine            Line        Source<br>
ph.x               0000000000974B65  qexml_module_mp_q        3753  qexml.f90<br>
ph.x               000000000072D3B4  pw_restart_mp_rea        2101  pw_restart.f90<br>
ph.x               0000000000729F54  pw_restart_mp_pw_        1057  pw_restart.f90<br>
ph.x               0000000000735796  read_file_                 55  read_file.f90<br>
ph.x               00000000004D0F9E  phq_readin_               641  phq_readin.f90<br>
ph.x               0000000000455AB9  MAIN__                     66  phonon.f90<br>
ph.x               0000000000455A3C  Unknown               Unknown  Unknown<br>
libc.so.6          00007FD126C127ED  Unknown               Unknown  Unknown<br>
ph.x               0000000000455939  Unknown               Unknown  Unknown<br>
<br>
phcg.x gave me the same error message:<br>
<br>
     Program PHCG v.6.1 (svn rev. 13369) starts on  5Apr2017 at 19:34:21<br>
<br>
     This program is part of the open-source Quantum ESPRESSO suite<br>
     for quantum simulation of materials; please cite<br>
         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);<br>
          URL <a href="http://www.quantum-espresso.org" rel="noreferrer" target="_blank">http://www.quantum-espresso.<wbr>org</a>",<br>
     in publications or presentations arising from this work. More details at<br>
     <a href="http://www.quantum-espresso.org/quote" rel="noreferrer" target="_blank">http://www.quantum-espresso.<wbr>org/quote</a><br>
<br>
     Parallel version (MPI), running on     1 processors<br>
<br>
     Reading data from directory:<br>
     /home/hnguyen/Desktop/shared/<wbr>espresso_tmp/PAWlocal_Co3O4_<wbr>mag_revPBE450_323.save<br>
<br>
   Info: using nr1, nr2, nr3 values from input<br>
<br>
   Info: using nr1, nr2, nr3 values from input<br>
forrtl: severe (174): SIGSEGV, segmentation fault occurred<br>
Image              PC                Routine            Line        Source<br>
phcg.x             00000000007D1335  qexml_module_mp_q        3753  qexml.f90<br>
phcg.x             00000000006BBDD4  pw_restart_mp_rea        2101  pw_restart.f90<br>
phcg.x             00000000006B8974  pw_restart_mp_pw_        1057  pw_restart.f90<br>
phcg.x             00000000005B6836  read_file_                 55  read_file.f90<br>
phcg.x             0000000000447088  cg_readin_                 88  cg_readin.f90<br>
phcg.x             00000000004605F2  MAIN__                     41  phcg.f90<br>
phcg.x             00000000004452DC  Unknown               Unknown  Unknown<br>
libc.so.6          00007F1CDBC357ED  Unknown               Unknown  Unknown<br>
phcg.x             00000000004451D9  Unknown               Unknown  Unknown<br>
<br>
<br>
Which is the worst kind of error, the segmentation fault. Does anyone has a clue on what could cause such error? Maybe something terribly wrong in my input that I missed?<br>
<br>
<br>
<br>
Dr. Huu Chuong Nguyën (Bob)<br>
<br>
Postdoc Researcher - Group of Prof. Núria López<br>
<br>
Institute of Chemical Research of Catalonia (ICIQ)<br>
The Barcelona Institute of Science and Technology<br>
<br>
Av. Països Catalans 16 - 43007 Tarragona (Spain)<br>
<br>
PB-11 Huu Chuong Nguyën - PERSONAL<br>
<br>
<a href="mailto:hnguyen@iciq.es">hnguyen@iciq.es</a><mailto:<a href="mailto:user@iciq.es">user@<wbr>iciq.es</a>> - <a href="http://www.iciq.es" rel="noreferrer" target="_blank">www.iciq.es</a><<a href="http://www.iciq.es/" rel="noreferrer" target="_blank">http://www.iciq.<wbr>es/</a>><br>
<br>
<br>
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</blockquote></div><br></div>