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原子光谱项的推求,有行列式波函数法,自旋因式化方法,Hyde法等.对于两个等价电子组态光谱项的推求,有快速法和列表划带法等.分子体系的两个等价电子组态光谱项的推求,常用的是行列式波函数法,而络合物的中心原子(或离子)的两个等阶电子组态光谱项的推求,有很繁的对称操作变换法、方格图法和降低对称性法等.本文将介绍一种新方法——对称积和反对称积法.
The atomic spectral terms of the deduction, the determinant wave function method, the spin-based method, Hyde method, etc. For the two equivalent electronic configuration spectrum of the project, there are fast method and list zoning method, etc. Molecular system The deduction of two equivalent electronic configuration spectrum items, commonly used is the determinant wave function method, and the calculation of two orders of electronic spectra of the second order atoms of the central atom (or ion) of the complex has very complicated symmetry Operation transformation method, the grid graph method and reduce the symmetry method, etc. This article will introduce a new method - symmetric product and anti-symmetric product method.