1. Institute
for Theoretical Chemistry, Faculty of Chemistry, University of Vienna, Währingerstrasse 17, 1090 Vienna, Austria
2. Interdisciplinary
Center for Scientific Computing, Ruprecht-Karls-University, Im Neuenheimer Feld 205 A, 69120 Heidelberg, Germany
3. Centre
for Theoretical Chemistry and Physics, The New Zealand Institute for
Advanced Study (NZIAS), Massey University Albany, Private Bag 102904, Auckland 0745, New Zealand