1. Department of Chemistry, Temple Hall 456, Missouri State University, Springfield, Missouri 65897
2. Biology Department, Temple Hall 232, Missouri State University, Springfield, Missouri 65897
3. Inorganic Chemistry Division, Chemistry Department of National University of Ukraine, Volodimirs'ka 64 St., Kiev, Ukraine
4. Department of Chemistry and Biochemistry University of Missouri, St. Louis, 315 Benton Hall, One University Boulevard, St. Louis, Missouri 63121
5. Ruprecht-Karls Universität Heidelberg Anorganisch-Chemisches Institut, Neuenheimer Feld 270, D-69120 Heidelberg, Germany