1. a Department of Chemistry, Nigde University, 51100 Nigde, Turkey
2. b Department of Chemistry, Nigde University, 51100 Nigde, Turkey
3. c Department of Chemistry, Middle East Technical University, 06531 Ankara, Turkey, Department of Chemistry, Pamukkale University, 20017 Denizli, Turkey
4. d Department of Chemistry, Nigde University, 51100 Nigde, Turkey;, Email: sahmetlioglu@nigde.edu.tr
5. e Department of Chemistry, Middle East Technical University, 06531 Ankara, Turkey