Affiliation: | 1.Organometallic-Organometalloid Chemistry Department, Chemical Industries Research Division, National Research Centre, 33 El-Behouth St., Dokki, 12622, Cairo, Egypt ;2.Spectroscopy Department, Physics Division, National Research Centre, 33 El-Behouth St., Dokki, 12622, Cairo, Egypt ;3.Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt ; |