The band origins (that is, the centers) for the first and second overtones of a di- atomic molecule XY are 7521.012 cm-1 and 10957.58 cm-1, respectively. Assuming that including just the first anharmonicity correction to the vibrational energy accurately describes the vibrational motion of the diatomic: a) Calculate the natural frequency we and the constant ãe for the first anharmonicity correction eãe. b) Find the wavenumber of the band origin for the fundamental transition.

The band origins (that is, the centers) for the first and second overtones of a di- atomic molecule XY are 7521.012 cm-1 and 10957.58 cm-1, respectively. Assuming that including just the first anharmonicity correction to the vibrational energy accurately describes the vibrational motion of the diatomic: a) Calculate the natural frequency we and the constant ãe for the first anharmonicity correction eãe. b) Find the wavenumber of the band origin for the fundamental transition.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter20: Molecular Spectroscopy And Photochemistry

Section: Chapter Questions

Problem 57AP

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