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xiaoxiao45至尊木蟲 (正式寫手)
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[求助]
berkeleygw 輸入文件問題 已有1人參與
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有哪位大神指導(dǎo)一下berkeleygw中的WFN.in文件lattice vector怎么計(jì)算的嗎?為什么kgrid.x運(yùn)行后bravais lattice和crystal 的space group總是對不上?謝謝了 另外知道晶體的point group: R3c a=b=c= 5.667 alfa=beta=gama=59.17 原子坐標(biāo) 1 Bi,2 Fe,3 O 1 0.00000000 0.00000000 0.00000000 1 0.50000000 0.50000000 0.50000000 2 0.22120000 0.22120000 0.22120000 2 0.72120000 0.72120000 0.72120000 3 0.53500000 0.94000000 0.39400000 3 0.94000000 0.39400000 0.53500000 3 0.03500000 0.89400000 0.44000000 3 0.39400000 0.53500000 0.94000000 3 0.89400000 0.44000000 0.03500000 3 0.44000000 0.03500000 0.89400000 |
至尊木蟲 (正式寫手)
木蟲 (著名寫手)
木蟲 (著名寫手)
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如果用QE算DFT部分,有個簡便方法。 先進(jìn)行scf計(jì)算,輸出文件中這一部分就是基矢坐標(biāo): crystal axes: (cart. coord. in units of alat) a(1) = ( 4.582581 4.582581 0.000000 ) a(2) = ( 0.000000 4.582581 4.582581 ) a(3) = ( 4.582581 0.000000 4.582581 ) 這一部分就是同一坐標(biāo)系下的原子坐標(biāo): Cartesian axes site n. atom positions (alat units) 1 O tau( 1) = ( 2.3756976 2.2068836 2.3756976 ) 2 O tau( 2) = ( 4.6669876 4.4981749 2.3756989 ) 3 O tau( 3) = ( 2.3756989 4.4981749 4.6669876 ) 4 O tau( 4) = ( 4.6669876 6.7894636 4.6669876 ) 5 O tau( 5) = ( 4.4981749 2.3756989 4.4981749 ) 6 O tau( 6) = ( 6.7894636 4.6669876 4.4981749 ) 7 O tau( 7) = ( 4.4981749 4.6669876 6.7894636 ) 8 O tau( 8) = ( 6.7894648 6.9582788 6.7894648 ) 9 Mg tau( 9) = ( 2.2912906 0.0000000 2.2912906 ) 10 Mg tau( 10) = ( 4.5825812 2.2912906 2.2912906 ) 11 Mg tau( 11) = ( 2.2912906 2.2912906 4.5825812 ) 12 Mg tau( 12) = ( 4.5825812 4.5825812 4.5825812 ) 13 Ca tau( 13) = ( 0.0000000 0.0000000 0.0000000 ) 14 Ca tau( 14) = ( 2.2912906 2.2912906 0.0000000 ) 15 Ca tau( 15) = ( 0.0000000 2.2912906 2.2912906 ) 16 Ca tau( 16) = ( 2.2912906 4.5825812 2.2912906 ) |
至尊木蟲 (正式寫手)
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你好,感覺還是不行,我把scf的輸入文件給你看看,看看是不是哪出問題了 &control prefix = 'BFO' calculation = 'scf' restart_mode = 'from_scratch' wf_collect = .false. tstress = .true. tprnfor = .true. outdir = './' wfcdir = './' pseudo_dir = './' / &system ibrav = 5 celldm(1) = 10.71 celldm(4) = 0.5125 nat = 10 ntyp = 3 nbnd = 55 ecutwfc = 140.0 / &electrons electron_maxstep = 100 conv_thr = 1.0d-10 mixing_mode = 'plain' mixing_beta = 0.7 mixing_ndim = 8 diagonalization = 'david' diago_david_ndim = 4 diago_full_acc = .true. / ATOMIC_SPECIES Bi 208.98 Bi.UPF Fe 55.845 Fe.UPF O 15.999 O.UPF ATOMIC_POSITIONS crystal Bi 0.00000000 0.00000000 0.00000000 Bi 0.50000000 0.50000000 0.50000000 Fe 0.22120000 0.22120000 0.22120000 Fe 0.72120000 0.72120000 0.72120000 O 0.53500000 0.94000000 0.39400000 O 0.94000000 0.39400000 0.53500000 O 0.03500000 0.89400000 0.44000000 O 0.39400000 0.53500000 0.94000000 O 0.89400000 0.44000000 0.03500000 O 0.44000000 0.03500000 0.89400000 K_POINTS automatic 5 5 5 1 1 1 |
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