Affiliation: | 1. Department of Chemistry, Yazd Branch, Islamic Azad University, Yazd, Iran;2. Institute for Theoretical Chemistry, University of Texas at Austin, Austin, TX 78712, USA;1. School of Science, Hubei University of Automotive Technology, Hubei 442002, People''s Republic of China;2. Department of Physics, and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University, Wuhan 430072, People''s Republic of China |