1. Department of Chemistry, Southwest Missouri State University, Temple Hall 456, Springfield, Missouri 65804, Department of Chemistry, University of MissouriColumbia, 125 Chemistry Building, Columbia, Missouri 65211, Biology Department, Southwest Missouri State University, Temple Hall 234, Springfield, Missouri 65804, and Inorganic Chemistry Division, Chemistry Department of National University of Ukraine, Vladimirskaya 64 St. Kiev, Ukraine