extended simple point charge model 扩展的点电荷模型
They belong to C_ (2v) local symmetry. From the point of view of point-charge model the ligand field semi-quantitative calculation is applied to molecules with C_ (2v) point group symmetry.
指出它们均具有C_ (2 v)局部对称性，并从晶体场点电荷模型出发对具有C_ (2 v)对称性点群的分子进行了配位场半定量计算。
The essence of our method is that, on the base of the crystal field model for point charge, the effect of molecule orbit is considered partly for the centrally symmetric field of coordination bodies.
这种方法的实质在于，在晶体场静止点荷模型基础上，考虑了诸配体等效中心对称场的部份分子轨道效应。
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