1. Department of ChemistryKhwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
2. Department of ChemistryUniversity of Sargodha, 40100 Pakistan
3. Departamento de Química Orgánica, Facultad de Ciencias QuímicasUniversidad de Concepción, Concepción, Chile.
4. Department of Physics, College of ScienceKing Khalid University Abha 61413, P.O. Box 9004 Saudi Arabia.
5. Department of Chemistry, College of ScienceKing Khalid University Abha 61413, P.O. Box 9004 Saudi Arabia.