1. University of Wales, Department of Chemistry, Bangor, Gwynedd LL57 2UW, United Kingdom, Laboratory of Molecular Structure and Quantum Mechanics, Chair of Physical Chemistry, Department of Chemistry, M. V. Lomonosov Moscow State University, Moscow 119899, Russian Federation, Laboratory of Molecular Spectroscopy, Chair of Physical Chemistry, Department of Chemistry, M. V. Lomonosov Moscow State University, Moscow 119899, Russian Federation, and Laboratoire de Chimie Physique Moléculaire, Faculté des...