1. a Al Huson University College, Al Balqa’ Applied University , P.O. Box 50, Al-Huson , Jordan
2. b Department of Chemistry, Laboratory of Inorganic Chemistry , Aristotle University of Thessaloniki , P.O. Box 135, GR-541 24 Thessaloniki , Greece
3. c Faculty of Chemistry , Adam Mickiewicz University , 60 780 Poznań , Poland