1. Department of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
2. Department of Physical Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
3. Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602-5700, USA
4. Laboratory of Theoretical Physics, Department of Physics, University of Puerto Rico, 17 University Avenue, Suite 1701, San Juan, Puerto Rico 00925-2537, USA