1. Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
2. Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Iran
3. Department of Chemistry, Zanjan Branch, Islamic Azad University, Zanjan, Iran
4. Department of Chemistry, Masaryk University, Kotlarska 2, Brno, 61137, Czech Republic
5. Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic
6. Department of Chemistry, Keene State College, Keene, NH, USA