1. Chemistry, School of Natural and Computational Sciences, Massey University at Auckland, Private
bag 102904, North Shore Mail centre, Auckland 1603, New Zealand
2. Department of Chemistry, University of Sialkot, 1-KM Main Daska Road, Sialkot 51040, Pakistan
3. Centre for Theoretical Chemistry and Physics, Institute of Advanced Studies Massey University at Auckland, Private Bag 102904, North Shore Mail centre, Auckland 1603, New Zealand