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【求助】運行q2r時候報錯!
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我想計算graphene的電聲相互作用量,在計算到第四步q2r.x(由倒空間的動力學(xué)矩陣元變?yōu)閷嵖臻g的)報錯,具體錯誤提示是: from init : error # 1 nc already filled: wrong q grid or wrong nr 我的第一步較密k-mesh的scf的輸入文件為: &control calculation = 'scf' restart_mode='from_scratch' wf_collect=.true. outdir = './scf' prefix = 'graphene' pseudo_dir = './' / &system ibrav = 4 celldm(1) = 4.65088, celldm(3)=3.0119 nat = 2 ntyp = 1 nbnd = 16 ecutwfc = 60 occupations = 'smearing' degauss = 0.001 smearing = 'gaussian' la2F = .true. / &electrons conv_thr = 1.D-8 diagonalization = 'david' / ATOMIC_SPECIES C 12.0107 C.pz-vbc.UPF ATOMIC_POSITIONS {crystal} C 6.6666765924E-01 3.3333531848E-01 2.6727647101E-51 C 3.3333234076E-01 6.6666468152E-01 -2.6727647101E-51 K_POINTS {automatic} 72 72 1 0 0 0 第二步較疏k-mesh的scf輸入文件為: &control calculation = 'scf' restart_mode='from_scratch' wf_collect=.true. outdir = './scf' prefix = 'graphene' pseudo_dir = './' / &system ibrav = 4 celldm(1) = 4.65088, celldm(3)=3.0119 nat = 2 ntyp = 1 nbnd = 16 ecutwfc = 60 occupations = 'smearing' degauss = 0.001 smearing = 'gaussian' / &electrons conv_thr = 1.D-8 diagonalization = 'david' / ATOMIC_SPECIES C 12.0107 C.pz-vbc.UPF ATOMIC_POSITIONS {crystal} C 6.6666765924E-01 3.3333531848E-01 2.6727647101E-51 C 3.3333234076E-01 6.6666468152E-01 -2.6727647101E-51 K_POINTS {automatic} 36 36 1 0 0 0 第三步較疏q-mesh的ph.x的輸入文件為: Electron-phonon coefficients for graphene &inputph recover = .true. tr2_ph=1.0d-14 prefix='graphene' fildvscf='graphene_dv' amass(1)=12.0107 outdir='./scf' fildyn='graphene.dyn' elph=.true. trans=.true. ldisp=.true. nq1=24, nq2=24, nq3=1 / 第四步q2r.x的輸入文件為: &input zasr='simple', fildyn='graphene.dyn', flfrc='graphene.fc', la2F=.true. / 難道是我q-mesh取得有問題?請大家指教!謝謝! |
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