1. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
2. Laboratory of Quantum and Computational Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece
3. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
4. Department of Physics, The LNM Institute for Information Technology, Jamdoli, Jaipur 302031, India