Base on the crystal-fieldtheory, all of the crystal-field potentials of 32point-group are given for family iron ions and the relationships of which with different coordinate-system are studied.
基于晶体场理论，系统地给出了铁族离子32个点群的晶场势，并研究了坐标系取法不同时晶场势的变化。
2
The relative stabilities of intermediate compounds and titanium monoxide were examined deeply with quantum chemistry, crystalfield and chemical bond theory.
运用量子化学、晶体场及化学成键理论，深入分析了中间化合物及一氧化钛的相对稳定性。
3
Moreover, preliminary explanation of the relation between lattice distortion and superconductivity has been made with the help of polarization theory and crystalfield model.