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daidai~

铁虫 (小有名气)

[求助] vasp自洽计算K点不匹配问题,急!!

在对一个分子进行vasp的鞥年代计算时,首先是自洽计算,但是在计算的开始就出现了以下的错误,使得计算刚开始就终止掉了,out文件的内容如下:我取的K点的精确度为MS软件中的Fine

running /opt/vasp/bin/vasp-intel.mpich on 16 LINUX ch_p4 processors
Created /home/liaoy271/vasp-lhj/C6H13-premitive/scf/PI21959
running on   16 nodes
distr:  one band on    4 nodes,    4 groups
vasp.4.6.36 17Feb09 complex
POSCAR found :  4 types and   62 ions
LDA part: xc-table for Pade appr. of Perdew


VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0


VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0








VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0



VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0



VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0


VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0


VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0

VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0

VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0

VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0

VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0

VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0

VERY BAD NEWS! internal error in subroutine IBZKPT:
Fatal error: unable to match k-point!       0


不知问题出在了什么地方,一般情况下,K点去了Fine以后,都是可以算的啊,希望各位帮忙看一下,不胜感激!!
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lsh1986914

新虫 (小有名气)

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★ ★
贺仪(金币+2): 多谢指教!正解! 2011-10-26 13:34:04
这种错误,本人也出现过,有人说其实把这个问题忽略掉,对结果不影响,这是由于结构与你设置的K点不匹配,你可以将错误产生以后将文件IBZKPT重命名为KPOINTS接着跑就不会有错了。这里的IBZKPT是系统根据你的KPOINTS设置而产生的K点!!!!
5楼2011-10-26 10:00:18
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wcbkele

银虫 (正式写手)

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uuv2010(金币+1): 欢迎参加交流 2011-10-25 20:50:56
把KPOINTS贴出来
终于懂得时间珍贵
2楼2011-10-25 15:28:31
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06022045

金虫 (小有名气)

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uuv2010(金币+1): 多谢提示 2011-10-25 20:50:47
稍微改动一下K点,试一下。主要是你的K点和晶格常数不匹配。我一般都是用晶格常数的到数的比例的倍数作为K点的。
3楼2011-10-25 19:23:13
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daidai~

铁虫 (小有名气)

引用回帖:
2楼: Originally posted by wcbkele at 2011-10-25 15:28:31:
把KPOINTS贴出来

POSCAR中的倒格矢为:
   1.0000
       4.833817438355255      -0.385133368681656     0.690134234030279
       0.000000000000000       8.233495454592628     0.913350206220224
       0.000000000000000       0.000000000000000   14.523999999999999
KPOINTS内容为:
Automatic Mesh
0
Monkhorst-Pack
5    3    2
0.0  0.0  0.0



麻烦大侠帮忙看看吧,着急中!
4楼2011-10-26 09:52:47
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