24小时热门版块排行榜    

查看: 1226  |  回复: 3
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

WDD880227

木虫 (正式写手)

[求助] pwscf如何设置nelec 已有2人参与

我想用pwscf计算n型石墨烯,例如一个n型石墨烯原胞的电子数比本征石墨烯多0.01,
那么我设置nelec=8.01,然后进行relax计算,但是输出文件中错误信息“Error in routine  read_namelists (19): reading namelist system”

另外,如果不设置nelec=8.01进行relax,能够顺利优化完成。

那么问题出在nelec的设置上,nelect该怎么设置呢?

下面是我的in 文件:
&control
   prefix = 'graphene'
   calculation = 'relax'
   restart_mode = 'from_scratch'
   tstress = .true.
   tprnfor = .true.
   outdir = './'
   wfcdir = './'
   pseudo_dir = './'
   nstep =  1000  
   etot_conv_thr = 3.0E-9  
   forc_conv_thr = 1.0D-5
/
&system
   ibrav = 0
   celldm(1) = 4.6487281193142
   celldm(3) = 4.8780487804878
   nat = 2
   ntyp = 1
   nbnd = 10
   nelec = 8.02
   ecutwfc = 60.0
/
&electrons
   electron_maxstep = 100
   conv_thr = 1.0d-8

/
CELL_PARAMETERS
    0.86602540378443864 -0.5 0.0
    0.0 1.0 0.0
    0.0 0.0 1.0
ATOMIC_SPECIES
  C  12.011  C.UPF
ATOMIC_POSITIONS crystal
C   0.0000000000000000   0.0000000000000000   0.5000000000000000
C   0.3333333333333333   0.6666666666666667   0.5000000000000000
K_POINTS automatic
36 36 1 1 1 1
回复此楼
smiling&fighting...
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

yyyu200

金虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
什么版本,为什么手册中没有nelec
http://www.quantum-espresso.org/ ... s/Doc/INPUT_PW.html
3楼2014-08-01 17:59:19
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 4 个回答

KalaShayminS

铁杆木虫 (著名写手)

【答案】应助回帖

★ ★
感谢参与,应助指数 +1
WDD880227: 金币+2, ★★★很有帮助, 多谢指教~~ 2014-08-01 08:39:41
pwscf的nelec作为电子数,必须是个整数。
如果要模拟p型或者n型,可以使用tot_charge这个参数来控制额外电荷。
2楼2014-07-31 20:44:22
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

KalaShayminS

铁杆木虫 (著名写手)

【答案】应助回帖

★ ★
WDD880227: 金币+2, ★★★很有帮助, 多谢指教~~已经解决 2014-08-04 10:13:45
引用回帖:
3楼: Originally posted by yyyu200 at 2014-08-01 17:59:19
什么版本,为什么手册中没有nelec
http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PW.html

这是个4.2版本以前的参数。现在应该用tot_charge
4楼2014-08-02 01:11:12
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考博] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +8 ncTVBM6AOJHF 2026-11-04 18/900 2026-11-09 10:18 by Equinoxhua
[硕博家园] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +4 5sJFDKp2kwuI 2026-11-06 10/500 2026-11-09 08:00 by IhnEQauGmT3K
[考研] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +5 5sJFDKp2kwuI 2026-11-06 13/650 2026-11-09 06:50 by l48hFd8Nwae2
[考研] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +3 5sJFDKp2kwuI 2026-11-06 12/600 2026-11-09 06:32 by l48hFd8Nwae2
[公派出国] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +8 ncTVBM6AOJHF 2026-11-04 23/1150 2026-11-07 06:49 by Equinoxhua
[考博] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +10 ncTVBM6AOJHF 2026-11-04 22/1100 2026-11-06 17:18 by 5sJFDKp2kwuI
[考研] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +4 ELBZ6WwEaRj6 2026-11-05 7/350 2026-11-06 16:43 by 5sJFDKp2kwuI
[考博] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +6 ELBZ6WwEaRj6 2026-11-05 8/400 2026-11-06 16:34 by 5sJFDKp2kwuI
[公派出国] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +6 ELBZ6WwEaRj6 2026-11-04 11/550 2026-11-06 16:32 by 5sJFDKp2kwuI
[硕博家园] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +4 ttH3f1oA6ace 2026-11-04 11/550 2026-11-06 16:10 by 5sJFDKp2kwuI
[公派出国] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +8 ncTVBM6AOJHF 2026-11-04 12/600 2026-11-06 13:47 by BkA9Bi5cMhkD
[考研] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +5 ELBZ6WwEaRj6 2026-11-05 10/500 2026-11-06 12:32 by BkA9Bi5cMhkD
[考研] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +3 ELBZ6WwEaRj6 2026-11-04 10/500 2026-11-06 05:32 by qL1cU46YIdK0
[硕博家园] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 ELBZ6WwEaRj6 2026-11-04 12/600 2026-11-06 05:32 by qL1cU46YIdK0
[考研] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +4 ttH3f1oA6ace 2026-11-04 14/700 2026-11-06 05:11 by qL1cU46YIdK0
[考博] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +4 kvewwGtKktqB 2026-11-04 11/550 2026-11-06 05:10 by qL1cU46YIdK0
[硕博家园] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +6 kvewwGtKktqB 2026-11-04 16/800 2026-11-06 05:00 by qL1cU46YIdK0
[公派出国] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +3 ELBZ6WwEaRj6 2026-11-04 9/450 2026-11-06 02:15 by qL1cU46YIdK0
[考博] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +4 ttH3f1oA6ace 2026-11-04 7/350 2026-11-06 02:13 by qL1cU46YIdK0
[硕博家园] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +4 hNpp4Y2CGvSC 2026-11-04 12/600 2026-11-06 01:53 by qL1cU46YIdK0
信息提示
请填处理意见