[Thermo_pw-forum] error on monoclinic band structure

Andrea Dal Corso dalcorso at sissa.it
Wed Feb 17 14:21:04 CET 2016


If the angle is 90 degree, then the lattice is orthorombic, not
monoclinic. You can change ibrav.

Andrea


On Wed, 2016-02-17 at 13:09 +0100, agbaoye at physics.unaab.edu.ng wrote:
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> > Today's Topics:
> >
> >    1. Error on monoclinic band structure (agbaoye at physics.unaab.edu.ng)
> >    2. Re: Error on monoclinic band structure (Andrea Dal Corso)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 16 Feb 2016 12:37:55 +0100
> > From: agbaoye at physics.unaab.edu.ng
> > Subject: [Thermo_pw-forum] Error on monoclinic band structure
> > To: thermo_pw-forum at qeforge.qe-forge.org
> > Message-ID:
> > 	<647ae1480ff4802e22bd05a25f051513.squirrel at webmail.physics.unaab.edu.ng>
> >
> > Content-Type: text/plain;charset=iso-8859-1
> >
> > i am trying to calculate the band structure of a monoclinic lattice
> > structure and cannot allocate hpsi please i need assistance on how i can
> > continue
> >
> > this is a copy of my input file
> > cat > thermo_control << EOF
> >  &INPUT_THERMO
> >   what='scf_bands',
> >   emax_input=4,
> >   emin_input=-4
> >   nbnd_bands=16,
> >  /
> > EOF
> >
> > cat > pedot.scf_bands.in << EOF
> >  &control
> >   calculation = 'scf'
> >   prefix='pedot',
> >   pseudo_dir = '$PSEUDO_DIR/',
> >   outdir='$TMP_DIR/'
> >  /
> >  &system
> >     ibrav=12,
> >     celldm(1)=19.8374
> >     celldm(2)=0.7429
> >     celldm(3)=0.5925
> >     celldm(4)=0.0000
> >      nat= 52,
> >      ntyp= 4,
> >     ecutwfc = 100
> >     ecutrho = 400,
> >      london=.TRUE.,
> >  /
> >  &electrons
> >     electron_maxstep=500
> >  /
> > ATOMIC_SPECIES
> >    C 12 C.pbe-hgh.UPF
> >    O 16 O.pbe-mt.UPF
> >    S 32 S.pbe-hgh.UPF
> >    H 2  H.pbe-vbc.UPF
> >
> > ATOMIC_POSITIONS (crystal)
> > C        0.017871641   0.587840953   0.018124357
> > C        0.982128359   0.412159047   0.981875654
> > C        0.982128359   0.587840953   0.481875654
> > C        0.017871641   0.412159047   0.518124346
> > C        0.143142661   0.659720256   0.168199378
> > C        0.856857354   0.340279774   0.831800622
> > C        0.856857354   0.659720256   0.331800622
> > C        0.143142661   0.340279774   0.668199378
> > C        0.143553634   0.839754152   0.168931569
> > C        0.856446351   0.160245818   0.831068431
> > C        0.856446351   0.839754152   0.331068431
> > C        0.143553634   0.160245818   0.668931569
> > C        0.018120181   0.912337354   0.019773233
> > C        0.981879828   0.087662631   0.980226756
> > C        0.981879828   0.912337354   0.480226756
> > C        0.018120181   0.087662631   0.519773244
> > C        0.359531014   0.659824098   0.485477910
> > C        0.640468986   0.340175872   0.514522090
> > C        0.640468986   0.659824098   0.014522090
> > C        0.359531014   0.340175872   0.985477910
> > C        0.378550192   0.833468149   0.397863865
> > C        0.621449778   0.166531821   0.602136135
> > C        0.621449778   0.833468149   0.102136135
> > C        0.378550192   0.166531821   0.897863865
> > S        0.901584530   0.750494811   0.875526950
> > S        0.098415485   0.249505174   0.124473058
> > S        0.098415485   0.750494811   0.624473050
> > S        0.901584530   0.249505174   0.375526950
> > O        0.255323262   0.562059222   0.303809298
> > O        0.744676723   0.437940749   0.696190732
> > O        0.744676723   0.562059222   0.196190702
> > O        0.255323262   0.437940749   0.803809268
> > O        0.255418733   0.934311820   0.313034340
> > O        0.744581282   0.065688209   0.686965631
> > O        0.744581282   0.934311820   0.186965660
> > O        0.255418733   0.065688209   0.813034369
> > H        0.455516044   0.586098086   0.544658904
> > H        0.544483926   0.413901943   0.455341096
> > H        0.544483926   0.586098086   0.955341096
> > H        0.455516044   0.413901943   0.044658904
> > H        0.331926684   0.675017279   0.631582325
> > H        0.668073316   0.324982721   0.368417675
> > H        0.668073316   0.675017279   0.868417675
> > H        0.331926684   0.324982721   0.131582325
> > H        0.410919536   0.818489328   0.256363880
> > H        0.589080464   0.181510657   0.743636090
> > H        0.589080464   0.818489328   0.243636120
> > H        0.410919536   0.181510657   0.756363910
> > H        0.456964022   0.904566537   0.543609849
> > H        0.543035948   0.095433493   0.456390151
> > H        0.543035948   0.904566537   0.956390151
> > H        0.456964022   0.095433493   0.043609849
> > K_POINTS Automatic
> > 2 3 3 1 1 1
> >
> > Agbaoye Ridwan Olamide
> > Federal University of Agriculture, Abeokuta
> > M.Sc. in view
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 16 Feb 2016 15:20:44 +0100
> > From: Andrea Dal Corso <dalcorso at sissa.it>
> > Subject: Re: [Thermo_pw-forum] Error on monoclinic band structure
> > To: thermo_pw-forum at qeforge.qe-forge.org
> > Message-ID: <1455632444.24286.39.camel at ulisse.cm.sissa.it>
> > Content-Type: text/plain; charset="UTF-8"
> >
> > This does not seem a problem of thermo_pw.
> > Is your input running on pw.x? You might need more memory than you have
> > on your machine.
> > nbnd_bands=16 is also too low for your system.
> >
> > Why are you using a monoclinic lattice if
> > celldm(4)=0.0000
> >
> >
> > HTH,
> >
> > Andrea
> >
> >
> > On Tue, 2016-02-16 at 12:37 +0100, agbaoye at physics.unaab.edu.ng wrote:
> >> i am trying to calculate the band structure of a monoclinic lattice
> >> structure and cannot allocate hpsi please i need assistance on how i can
> >> continue
> >>
> >> this is a copy of my input file
> >> cat > thermo_control << EOF
> >>  &INPUT_THERMO
> >>   what='scf_bands',
> >>   emax_input=4,
> >>   emin_input=-4
> >>   nbnd_bands=16,
> >>  /
> >> EOF
> >>
> >> cat > pedot.scf_bands.in << EOF
> >>  &control
> >>   calculation = 'scf'
> >>   prefix='pedot',
> >>   pseudo_dir = '$PSEUDO_DIR/',
> >>   outdir='$TMP_DIR/'
> >>  /
> >>  &system
> >>     ibrav=12,
> >>     celldm(1)=19.8374
> >>     celldm(2)=0.7429
> >>     celldm(3)=0.5925
> >>     celldm(4)=0.0000
> >>      nat= 52,
> >>      ntyp= 4,
> >>     ecutwfc = 100
> >>     ecutrho = 400,
> >>      london=.TRUE.,
> >>  /
> >>  &electrons
> >>     electron_maxstep=500
> >>  /
> >> ATOMIC_SPECIES
> >>    C 12 C.pbe-hgh.UPF
> >>    O 16 O.pbe-mt.UPF
> >>    S 32 S.pbe-hgh.UPF
> >>    H 2  H.pbe-vbc.UPF
> >>
> >> ATOMIC_POSITIONS (crystal)
> >> C        0.017871641   0.587840953   0.018124357
> >> C        0.982128359   0.412159047   0.981875654
> >> C        0.982128359   0.587840953   0.481875654
> >> C        0.017871641   0.412159047   0.518124346
> >> C        0.143142661   0.659720256   0.168199378
> >> C        0.856857354   0.340279774   0.831800622
> >> C        0.856857354   0.659720256   0.331800622
> >> C        0.143142661   0.340279774   0.668199378
> >> C        0.143553634   0.839754152   0.168931569
> >> C        0.856446351   0.160245818   0.831068431
> >> C        0.856446351   0.839754152   0.331068431
> >> C        0.143553634   0.160245818   0.668931569
> >> C        0.018120181   0.912337354   0.019773233
> >> C        0.981879828   0.087662631   0.980226756
> >> C        0.981879828   0.912337354   0.480226756
> >> C        0.018120181   0.087662631   0.519773244
> >> C        0.359531014   0.659824098   0.485477910
> >> C        0.640468986   0.340175872   0.514522090
> >> C        0.640468986   0.659824098   0.014522090
> >> C        0.359531014   0.340175872   0.985477910
> >> C        0.378550192   0.833468149   0.397863865
> >> C        0.621449778   0.166531821   0.602136135
> >> C        0.621449778   0.833468149   0.102136135
> >> C        0.378550192   0.166531821   0.897863865
> >> S        0.901584530   0.750494811   0.875526950
> >> S        0.098415485   0.249505174   0.124473058
> >> S        0.098415485   0.750494811   0.624473050
> >> S        0.901584530   0.249505174   0.375526950
> >> O        0.255323262   0.562059222   0.303809298
> >> O        0.744676723   0.437940749   0.696190732
> >> O        0.744676723   0.562059222   0.196190702
> >> O        0.255323262   0.437940749   0.803809268
> >> O        0.255418733   0.934311820   0.313034340
> >> O        0.744581282   0.065688209   0.686965631
> >> O        0.744581282   0.934311820   0.186965660
> >> O        0.255418733   0.065688209   0.813034369
> >> H        0.455516044   0.586098086   0.544658904
> >> H        0.544483926   0.413901943   0.455341096
> >> H        0.544483926   0.586098086   0.955341096
> >> H        0.455516044   0.413901943   0.044658904
> >> H        0.331926684   0.675017279   0.631582325
> >> H        0.668073316   0.324982721   0.368417675
> >> H        0.668073316   0.675017279   0.868417675
> >> H        0.331926684   0.324982721   0.131582325
> >> H        0.410919536   0.818489328   0.256363880
> >> H        0.589080464   0.181510657   0.743636090
> >> H        0.589080464   0.818489328   0.243636120
> >> H        0.410919536   0.181510657   0.756363910
> >> H        0.456964022   0.904566537   0.543609849
> >> H        0.543035948   0.095433493   0.456390151
> >> H        0.543035948   0.904566537   0.956390151
> >> H        0.456964022   0.095433493   0.043609849
> >> K_POINTS Automatic
> >> 2 3 3 1 1 1
> >>
> >> Agbaoye Ridwan Olamide
> >> Federal University of Agriculture, Abeokuta
> >> M.Sc. in view
> >>
> >> _______________________________________________
> >> Thermo_pw-forum mailing list
> >> Thermo_pw-forum at qeforge.qe-forge.org
> >> http://qeforge.qe-forge.org/mailman/listinfo/thermo_pw-forum
> >
> > --
> > Andrea Dal Corso                    Tel. 0039-040-3787428
> > SISSA, Via Bonomea 265              Fax. 0039-040-3787249
> > I-34136 Trieste (Italy)             e-mail: dalcorso at sissa.it
> >
> >
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > Thermo_pw-forum mailing list
> > Thermo_pw-forum at qeforge.qe-forge.org
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> >
> >
> > End of Thermo_pw-forum Digest, Vol 7, Issue 1
> > *********************************************
> >
> I am very grateful for your response
> 
> i used celldm(4)=0.0000 because PW_html defined celldm 4 as cos(ab) that
> is the cosine of angle between lattice parameter  a and b which is 90
> degree
> 
> please help me if i am making any mistake
> 
> Agbaoye Ridwan Olamide
> Federal University of Agriculture, Abeokuta
> M.Sc.(in view)
> 
> _______________________________________________
> Thermo_pw-forum mailing list
> Thermo_pw-forum at qeforge.qe-forge.org
> http://qeforge.qe-forge.org/mailman/listinfo/thermo_pw-forum

-- 
Andrea Dal Corso                    Tel. 0039-040-3787428
SISSA, Via Bonomea 265              Fax. 0039-040-3787249
I-34136 Trieste (Italy)             e-mail: dalcorso at sissa.it





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