Comprehensive vibrational analysis of CO2 based on a polyad-preserving model Marisol Bermudez-Montaña, Renato Lemus, Francisco Pérez-Bernal and Miguel Carvajal Eur. Phys. J. D, 71 6 (2017) 147 Published online: 09 June 2017 DOI: 10.1140/epjd/e2017-80178-6