INHOMOGENEOUS ELECTRON-GAS THEORY OF MOLECULAR DISSOCIATION-ENERGIES

被引:9
作者
MARCH, NH
机构
[1] Theoretical Chemistry Department, University of Oxford, Oxford, 0X1 3UB, 5, South Parks Road
关键词
D O I
10.1088/0953-4075/24/19/007
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
By separating the total energy of atoms and diatomic molecules into the sum of Thomas-Fermi, density gradient and exchange energies, the dissociation energy D, divided by the square of the total number of electrons in the molecule, is related by a simple analytic formula to the inhomogeneity kinetic energy of electron gas theory, for the equilibrium molecule. The shape of the resulting relation has the features of a semi-empirical correlation previously established.
引用
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页码:4123 / 4128
页数:6
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