1. Institut für Chemie und CINSaT Universität Kassel Heinrich Plett-Straße 40 34132 Kassel Germany
2. Department of Inorganic and Analytical Chemistry, and MTA-BME Computation Driven Chemistry Research Group. Budapest University of Technology and Economics Szent Gellért tér 4 1111 Budapest Hungary
3. Present address: Institut de Ciència de Materials de Barcelona (C.S.I.C) Campus U.A.B. 08193 Bellaterra, Barcelona Spain