Institution: | 1. Theoretical Chemistry, Materials Science Centre, Rijksuniversiteit Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands;2. ICREA Research Professor at the Department of Physical and Inorganic Chemistry, Universitat Rovira i Virgili, Marcellí Domingo, 43007 Tarragona, Spain;3. Department of Chemistry, University of North Texas, Denton, Texas 76203-5070, USA |