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本文讨论了存在偶极矩作用下,分子晶体声子的对称性及声子各向偶极矩耦合情形。并求得具有单胞群不可约表示的声子(k=0)的喇曼张量与处在位群对称性下单胞中原子基团的喇曼张量的关系。In this article, the symmetry of phonons and the coupling between phonons along different coordinates directions are discussed for molecular crystals in which dipolar coupling exists. Also obtained are the relationships between the Raman tensor components of phonons with k=0 which are of the symmetry of the irreducible representations of the unit cell group and those of groups of atoms which possess some site group in a unit cell.
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