1. Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
2. Department of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan
3. Department of Chemistry, University of Okara, Okara 56300, Pakistan
4. Department of Applied Chemistry, Government College University, Faisalabad 38000, Pakistan
5. Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
6. Department of Chemistry, Quaid-i-Azam University, Islamabad45320, Pakistan
7. Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Avenida Professor Lineu Prestes, 748, São Paulo 05508-000, Brazil