1. Department of Chemistry, 1155 Union Circle #305070, University of North Texas, Denton, Texas 76203-5017, United States
2. Department of Chemistry, University of Missouri - Columbia, Columbia, Missouri 65211, United States
3. Laboratoire de Réactions et Génie des Procédés, Nancy-Université, 1 rue Grandville, BP 20451 54001 Nancy, France