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1.A crystal defect caused by the absence of an atom, an ion, or a molecule in a crystal lattice.
晶格空位在晶格里由于缺少一个原子、一个离子或一个分子造成晶格空位收藏指正
2.Preliminary crystallographic studies show that Lc1 crystal belongs to trigonal crystal system and group R32 wb hexagonal H lattice a=b= There is one LCl molecule per asymmetric unit.
其六方H晶胞为a＝b＝51．21空间群为R32。收藏指正
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