1. Department of Chemistry, Annamalai University, Annamalainagar, India
2. Centro di Cristallografia Strutturale, Polo Scientifio di Sesto Fiorentino, Via della Lastruccia N°3, Sesto Fiorentino, Firenze, Italy
3. X-Ray Crystallography Laboratory, Post-Graduate Department of Physics & Electronics, University of Jammu, Jammu Tawi, India