六方晶系的Cell参数

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May 23, 2008, 9:24:48 AM5/23/08
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对于六方晶系,如下设置不正确:
CELL
5.768 1.0 2.897 0.000 -0.500 0.000

提示:
PROGRAM STOPS IN SUBROUTINE CHKCSYMM| SUPERCELL DOES NOT MATCH
SYMMETRY [PROC= 0]

查证问题处在:
SUPERCELL IS NOT HEXAGONAL
EXPECTED FORM: a 1.0 cpa 0.0 0.0 -0.5

注:cpa意为c/a

因此将输入文件更改为如下格式通过对称性检验:
CELL
5.768 1.0 2.897 0.000 0.000 -0.500
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