1. Department of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
2. Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB), UMR CNRS 6302, Université de Bourgogne-Franche-Comté, 9 avenue Alain Savary, B.P. 47870, 21078 Dijon, Cedex, France
3. Department of Chemistry, University of the Free State, Bloemfontein 9300, Republic of South Africa
4. Department of Chemistry, UiT—The Arctic University of Norway, Tromsø N-9037, Norway