标题: 静电作用能,波利排斥能和轨道相互作用用能的计算 [打印本页] 作者Author: 哈哈宝 时间: 2015-11-17 17:04 标题: 静电作用能,波利排斥能和轨道相互作用用能的计算 文献中写: “Eelstat electrostatic interaction energy between the fragments that are calculated with the frozen electron density distribution of A and B in the geometry of the complex AB”
“ EPauli is calculated by enforcing the Kohn-Sham determinant of AB, which results from superimposing fragments A and B, to obey the Pauli principle by antisymmetrization and renormalization. ” "Eorbital, is calculated in the final step of the ETS analysis when the Kohn-Sham orbitals relax to their optimal form"
似乎是看懂字面的意思了,但是具体到计算还是一锅浆糊,文献中给出了具体的数值(二茂铁)我想用高斯软件,同样方法和基组重复一下这个计算,试着得到静电能,排斥能和轨道相互作用能的数值,但是究竟如何下手呢?
1. 怎么A和B部分的冻结电子密度?
2. 如何强制A和B遵循电子的反对称和归一化在高斯计算中?