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zhudonghai2829

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[求助] space group、group symmetry 及site symmetry

审稿人要让我们通过点群的性质解释红外,给的一篇参考文献上"The orthorhombic space group Pna21 of both BaBiBO4 and CaBi2B2O7 implies the point group symmetry C2V.","All atoms occupyWyckoff positions of C1 site symmetry." 现在我合成的物质是orthorhombic space group Pnn2,  group symmetry 是什么? 还有site symmetry什么的,之间的关系有没有相关的资料,实在搞不懂,只能请教高手了,在这里先谢过
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Nocturne

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zhudonghai2829: 金币+30, 有帮助, 谢谢! 2012-10-24 21:24:22
group symmetry :mm2(C2v), C1 is rotation axis 1
in fact, there are 32 point groups
2楼2012-10-23 19:46:42
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cluster8676

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感谢参与,应助指数 +1
zhudonghai2829: 金币+30, 有帮助, 谢谢! 2012-10-24 21:24:58
学无止境
3楼2012-10-23 22:07:06
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