1. Department
of Chemistry, University of Victoria, P.O. Box 3065 STN CSC, Victoria, BC V8W
3V6, Canada
2. Crystallography
Laboratory, Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
3. Crystallography
Laboratory, Department of Chemistry, University of Alberta, 11227 Saskatchewan
Drive NW, Edmonton, Alberta Canada, T6G 2G2