Affiliation: | a Department of Chemistry, Faculty of Sciences, University of Novi Sad, Trg D. Obradovi?a 3, 21000 Novi Sad, Serbia and Montenegro b Department of Physics, Faculty of Sciences, University of Novi Sad, Trg D. Obradovi?a 4, 21000 Novi Sad, Serbia and Montenegro c Laboratory for Chemical and Mineralogical Crystallography, Bern University, Freiestr. 3, CH-3012 Bern, Switzerland |