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lijl05木蟲 (正式寫手)
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[求助]
如何計算晶體中兩平面間的距離 已有3人參與
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| 晶體中兩個分子存在π-π堆積作用,如何計算兩平面間的距離呢?用什么軟件啊,我自己用diamond試過,但是不知道如何確定面中心原子,求助大家一下 |


禁蟲 (知名作家)
至尊木蟲 (職業(yè)作家)

禁蟲 (知名作家)
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哦,是我記得不全,去查了一下shelx-97的說明書,復(fù)制如下,多謝cluster8676提醒. 貌似不加也是可以的,平面將于后面所列出的所有原子計算得出。 MPLA na atomnames A least-squares plane is calculated through the first na of the named atoms, and the equation of the plane and the deviations of all the named atoms from the plane are listed with estimated standard deviations (from the full covariance matrix). The angle to the previous least-squares plane (if any) is also calculated, but some approximations are involved in estimating its esd. na must be at least 3. If na is omitted the plane is fitted to all the atoms specified. |
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