Carbon suboxide: the vibrational dependence of the v7 bending potential function

Fusina, L. and Mills, I. (1980) Carbon suboxide: the vibrational dependence of the v7 bending potential function. Journal of Molecular Spectroscopy, 79 (1). pp. 123-131. ISSN 0022-2852 doi: 10.1016/0022-2852(80)90297-0

Abstract/Summary

Data on the vibrational energy levels and rotational constants of carbon suboxide for the low-wavenumber bending mode ν7 are reviewed, in the ground-state manifold, and in the ν2-, ν3-, ν4-, and ν2 + ν4-state manifolds. Following the procedure developed by Duckett, Mills, and Robiette [J. Mol. Spectrosc. 63, 249 (1976)] the data have been inverted to give the effective bending potential in ν7 for each of these five states. Values are obtained for various other parameters in the effective vibration-rotation Hamiltonian. The potential and rotational constants in ν2 + ν4 are given to a close approximation by linear extrapolation from the ground state through the ν2 and ν4 states.