First order density function;
LCAO MO theory;
Chemical atom and bond operators;
Atom and bond expectation value matrix;
ELECTRONIC POPULATION ANALYSIS;
ENERGY DECOMPOSITION SCHEME;
DENSITY-FUNCTIONAL THEORY;
CHEMICAL VALENCE CONCEPTS;
MULTIMOLECULAR POLYHEDRA;
WAVE FUNCTIONS;
ORIGIN SHIFT;
REAL-SPACE;
PARTICLE;
SYSTEMS;
D O I:
10.1007/s10910-016-0629-4
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A discussion is carried on about how to characterize quantum mechanically chemical bonds within a molecular structure. Molecular atom- and atom pair-bond operators are constructed. Afterwards an atom and bond expectation values (A-BEV) matrix defined using expectation values of these operators. It is furthermore discussed how one can consider the complete sum of the A-BEV matrix as a collective quantum mechanical descriptor of the atoms and bonds attached to a molecular structure.
机构:
Department of Physics and Astronomy, Hunter College of the City University of New YorkSchool of Optoelectronic Information, University of Electronic Science and Technology of China