The Na(+)–H2 cation complex: Rotationally resolved infrared spectrum, potential energy surface, and rovibrational calculations

B. L. J. Poad, P. J. Wearne, E. J. Bieske, A. A. Buchachenko,  D. I. G. Bennett, J. Klos, M. H. Alexander. J. Chem. Phys. 129, 184306 (2008)