1. Computational and Bio-Simulation Research Group, Department of Pure and Applied Chemistry, University of Calabar, Calabar, Nigeria
2. Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar, Nigeria
3. Department of Chemical Sciences, Federal University of Wukari, Wukari, Nigeria
4. Department of Physical Sciences, Jaramogi Oginga Odinga University of Science and Technology, Bondo, Kenya