Vibrational spectra#

Harmonic vs. Morse-potential IR band positions and anharmonicity constants; Wilson GF-matrix normal modes for CO2 and H2O; the Raman/IR mutual exclusion rule for CO2; and the doubly degenerate bend of a linear triatomic.

Harmonic vs. Morse IR band positions, and recovering anharmonicity from overtones

Harmonic vs. Morse IR band positions, and recovering anharmonicity from overtones

Wilson’s GF-matrix method: CO2 and H2O normal-mode frequencies from the G and F matrices

Wilson's GF-matrix method: CO2 and H2O normal-mode frequencies from the G and F matrices

Raman scattering vs. infrared absorption: the mutual exclusion rule for CO2

Raman scattering vs. infrared absorption: the mutual exclusion rule for CO2

Herzberg’s linear-molecule rules: CO2’s doubly degenerate bend and 3N-5 vibrations

Herzberg's linear-molecule rules: CO2's doubly degenerate bend and 3N-5 vibrations