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[求助]
POSCAR中的晶格矢量的兩種方式 已有5人參與
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在做體系的優(yōu)化過程中,同樣的原子和坐標(biāo),為什么導(dǎo)出來的POSCAR中的晶格矢量是不一樣的。 Ni-mono-fcc 1.00000000000000 1.7325000022546899 -1.7325000022546899 0.0000000000000000 0.0000000000000000 1.7325000022546899 -1.7325000022546899 17.3205080756887995 17.3205080756887995 17.3205080756887995 和 Ni-111-fcc 1.000 2.121866162320330 -1.225060000000000 0.000000000000000 0.000000000000000 2.450120000000000 0.000000000000000 0.000000000000000 0.000000000000000 30.000000000000000 求大神解釋啊····· |
木蟲 (正式寫手)


木蟲 (正式寫手)

新蟲 (小有名氣)
木蟲 (著名寫手)
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?@??M??????r????????????L???????g??A????]????????M?????????????Q??????M?? ?O????M??????????A1=[ 1.7325000022546899 -1.7325000022546899 0.0000000000000000 0.0000000000000000 1.7325000022546899 -1.7325000022546899 17.3205080756887995 17.3205080756887995 17.3205080756887995] ????M??????????A2=[ 2.121866162320330 -1.225060000000000 0.000000000000000 0.000000000000000 2.450120000000000 0.000000000000000 0.000000000000000 0.000000000000000 30.000000000000000] ???N????l?FA1?????????A1'*A1??A2?????????A2'*A2??????????????? 6.0031 -3.0015 0 -3.0015 6.0031 0 0 0 900.0000 ????M????????Q??Q?????????????????????????????????????????????????L????????????????t??????????????????????e??????????@???????????????????c??a,b?????????????????????????a??b?????????????????????????????A???acos( -3.0015/sqrt(6.0031* 6.0031) ) = 120?? ???N?????A1??Q??A2??????A2????????????O A2=[ x y 0 0 z 0 0 0 w] ???NA2?????????? [ x^2+y^2 yz 0 yz z^2 0 0 0 w^2 ] ????????A1?????????????????????????????????? w=sqrt(900.0000) = 30 z=sqrt(6.0031) = 2.4501 ???y=-3.0016/z = -1.2251 ?????x=sqrt(6.0031-y^2) = 2.1218 ????? A2 =[ 2.1218 -1.2251 0 -1.2251 2.4501 0 0 0 30] |

木蟲 (著名寫手)

新蟲 (初入文壇)
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