A local anharmonic treatment of vibrations of methane
Lemus, R. · Perez-Bernal, F. · Frank, A. · Bijker, R. · Arias, J. M.
Original · EN
The stretching and bending vibrations of methane are studied in a local anharmonic model of molecular vibrations. The use of symmetry-adapted operators reduces the eigenvalue problem to block diagonal form. For the 44 observed energies we obtain a fit with a standard deviation of 0.81 cm⁻¹ (and a r.m.s. deviation of 1.16 cm⁻¹).
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