1. Department of Physical, Inorganic and Structural Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden, Department of Molecular Spectroscopy, Chemical Research Center of the Hungarian Academy of Sciences, P.O. Box 77, H-1525 Budapest, Hungary, Faculty of Information Technology, Research Institute of Chemical and Process Engineering, University of Pannonia, P.O. Box 158, H-8201 Veszprém, Hungary, Department of Physics, AlbaNova, Stockholm University, SE-106 91 Stockholm, Sweden, and Department of...