1. Department of Chemistry Faculty of Natural and Agricultural Sciences North-West University (Mafikeng Campus) Private Bag X2046 Mahikeng, Mmabatho 2735 South Africa
2. Physical Chemistry Laboratories Department of Chemistry Durban University of Technology (ML-Sultan Campus) Durban 4000 South Africa
3. Chemical Engineering Graduate Program Institute of Chemistry Rio de Janeiro State University Brazil
4. Virtual Laboratory for Properties Prediction – LVPP Chemical Engineering Department Federal University of Rio Grande do Sul Brazil
5. Department of Chemistry Hansraj College University of Delhi Delhi 110007 India
6. Department of Chemistry College of Science King Saud University P.O. Box 2455 Riyadh –11451 Kingdom of Saudi Arabia
7. College of Sciences and Engineering Southern University Baton Rouge Louisiana 70813 USA