1. Eenheid Algemene Chemie (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Brussels, Belgium
2. Department of Chemistry, McMaster University, Hamilton, Ontario L8S4M1, Canada
3. Laboratorio de Quimica Teórica Computacional (QTC), Facultad de Quimica, Pontificia Universidad Católica de Chile, Casilla 306, Correo, Santiago, Chile
4. Department of Chemistry and Center for Theoretical Studies, Indian Institute of Technology, Kharagpur 721302, India