An infrared spectroscopy study of a diatomic molecule XY has given the following information: We 2377.48 cm-'; weXe 96.22 cm-1; Be 1.9982 cm- and ae = 0.0190 cm-1. (a) At what frequency (expressed in wavenumbers) would the highest energy line of the P-branch of the fundamental vibrational transition appear in the IR spectrum of the molecule? (a) At what frequency (expressed in wavenumbers) would the highest energy line of the P-branch of the first overtone vibrational transition appear in the IR spectrum of the molecule?

An infrared spectroscopy study of a diatomic molecule XY has given the following information: We 2377.48 cm-'; weXe 96.22 cm-1; Be 1.9982 cm- and ae = 0.0190 cm-1. (a) At what frequency (expressed in wavenumbers) would the highest energy line of the P-branch of the fundamental vibrational transition appear in the IR spectrum of the molecule? (a) At what frequency (expressed in wavenumbers) would the highest energy line of the P-branch of the first overtone vibrational transition appear in the IR spectrum of the molecule?

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