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haina722

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[求助] 真心求助无机晶体结构如何isolated molecules

看了Morphology tutorials中的例子后,初步尝试模拟无机晶体的Growth morphology,点RUN时就弹出“The input crystal contains an infinite network of atoms.This calculation requires that the crystal is formed from isolated molecules.”
重复例子中的Pigment Red有机晶体的模拟时就没有出现isolated molecules,由于H键,有机晶体的的界面不存在悬键,而计算无机晶体的晶胞时,表面都有悬键,这个如何处理啊,查找资料,也思考了很多天了,还是无解,不知道如何是好,还请高人给予一点提示和知道,万分感谢!
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pigrass

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伊卡斯特的小猪

【答案】应助回帖

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感谢参与,应助指数 +1
haina722: 金币+10, ★★★很有帮助, 谢谢,希望能有更为深刻地提示和指导, 2013-09-04 22:12:37
sunyang1988: 金币+2, 谢谢交流 2013-09-06 10:02:54
The growth morphology method cannot be applied to crystal structures containing an infinite network of bonded atoms. This is because the formation of surfaces in such systems involves breaking chemical bonds and bond breaking is not described by the available forcefields.

这是MS软件里的解释
Equilibrium morphology calculation也不适用无穷网络结构

推荐使用BFDH,之前我也做过

————————————
模拟之前最好看点理论知识,有些方法不是万能的
#有问题发论坛,不接受私聊#爱晶体,爱MaterialsStudio#MS专辑点击右边#http://emuch.net/taotie/41673.html#物性数据#http://webbook.nist.gov/chemistry/#
2楼2013-09-04 16:37:08
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