1. The
Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
2. Centre for Theoretical and Computational
Chemistry (CTCC), Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, 0315 Oslo, Norway
3. Bragg Institute, Australian Nuclear Science
and Technology Organization, New Illawarra
Road, Lucas Heights, NSW 2234, Australia
4. Centre
for Theoretical and Computational Chemistry (CTCC), University of Tromsø-The Arctic University of Norway, N-9037 Tromsø, Norway