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我们利用气态异核双原子分子中原子的表现电荷和核间距离为参数,来修改鲍林所提出的异核双原子分子键能的经验计算公式。并且利用修改的公式来计算一些比较典型的气态异核双原子分子的键能。计算结果与实验值进行对比。我们的结论是:在异核双原子分子中存在着附加稳定性能量,这就是分子中原子表观电荷之间的静电相互作用能。
We use the expression of charge in the gaseous heterogeneous diatomic molecule and the distance between the nuclei as a parameter to modify the empirical formula for Pauling’s heteronuclear diatomic molecular bond energy. And use the modified formula to calculate the bond energy of some typical gaseous heteronuclear diatomic molecules. The calculated results are compared with the experimental values. We conclude that there is an additional stabilizing energy in the heteronuclear diatomic molecule, which is the electrostatic interaction energy between the apparent charges of the atoms in the molecule.