Chemical bonding in the hydrogen molecule

✍ Scribed by Robert C. Morrison; Wei Tong; Orville W. Day Jr.

• Publisher: John Wiley and Sons
• Year: 1996
• Tongue: English
• Weight: 715 KB
• Volume: 60
• Category: Article
• ISSN: 0020-7608
• DOI: 10.1002/(sici)1097-461x(1996)60:1<421::aid-qua41>3.0.co;2-c

✦ Synopsis

The chemical bond in the hydrogen molecule is examined using the electron density and the generalized overlap amplitudes. Logarithmic derivatives of the electron density provide a clear picture of its behavior in the bonding region as well as in the outer region. The GOA expansion of the density is used to examine the dependence of the rate of decay of the density on the GOA ionization potentials. The increase in the electron density at the nuclei and in the bonding region coincides with the higher ionization potential of H, over the H atom. The density in the bonding region along the internuclear axis does not decay exponentially, but its shape is very nearly an inverted Gaussian.