1. Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049‐001 Lisbon, Portugal, http://cqe.ist.utl.pt/members/group5_memb.php
2. Laboratoire de Physico‐Chimie de l'Etat Solide, Département de Chimie, Faculté des Sciences deSfax, Université de Sfax, BP 1171, 3000 SFax, Tunisia
3. Department of Chemistry, Baku State University, Z. Xalilov Str. 23, Az 1148 Baku, Azerbaijan, http://bsu.edu.az/en/