Electronic Bases of Molecular Vibrations. I. General Theory for Diatomic Molecules

Electronic Spectroscopy of Diatomic Molecules

Analytical theory of NEXAFS from diatomic molecules.

Analytical expressions are derived for both the p* and s* resonances in near-edge x-ray-absorption finestructure ~NEXAFS! spectra from diatomic molecules. A simple criterion is formulated for extracting structural parameters ~e.g., the bond lengths! of such molecules from NEXAFS spectra. A universal curve for the positions of resonances is derived from our analytical expressions. The prediction...

Systematic Relations between Electronic Structure and Band-Spectrum Structure in Diatomic Molecules: I.

of the curve which indicates that in the third order there is a reflection of the BrK-y and K, lines of intensity comparable with that exhibited by the Mo Ka-doublet reflected in the usual manner in the fourth order. Later trials showed that although a slight excess of radiation probably existed at the position where reflection of the BrKa line in the second order would be expected, the curve u...

Luminescence of Diatomic Molecules

Photoionization has been used to produce ions of N2 , 0 2 . and CO in definite excited states. Deactivating collisions of these ions with molecular gases were described in paper I, where the cross sections of ions with thermal velocity are given for various electronic and vibrational states. By application of an electric field the charged particles are accelerated yielding information on the in...

Spectra of diatomic molecules

Clearly N is perpendicular to R, so the projection of J onto R is the same as the projection LR with eigenvalue ¤1 h of L. (We now reserve z for a direction ̄xed in space, and use the subscript R for a component along R). Because total angular moment of an isolated molecule is constant, eigenfunctions of H when L is non-zero will have the quantum numbers J , MJ , ¤, s (to describe the electronic...