1. Centre for Theoretical Chemistry
and Physics (CTCP), The New Zealand Institute for Advanced Study (NZIAS), Massey University (Auckland Campus), Private Bag 102904,
North Shore City, 0745 Auckland, New Zealand
2. Department of Chemistry, Haverford College, Haverford, Pennsylvania 19041, United
States
3. Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße,
35032 Marburg, Germany