Explain the vibrational frequency of the molecular ion

Reference no: EM13649209

The He I (21.22 eV) photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to photoelectron kinetic energies of 10.259, 10.388, 10.517, 10.646, and 10.775 eV. What is the vibrational frequency of the molecular ion (in wavenumbers)?

Reference no: EM13649209

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