1. Department of Chemistry, University of Miami, Coral Gables, Florida, 33126, Department of Chemistry and Center for Computational Chemistry, University of Georgia, Athens, Georgia 30606, Structural Inorganic Chemistry Group, Chemistry Division, MS J514, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, and Department of Organic Chemistry, University of Pannonia, Veszprém, H-8201, Hungary