1. University of A Coruna, QUIMOLMAT Group, Dpt. Chemistry, Faculty of Science and Centro Interdisciplinar de Química e Bioloxía (CICA), Zapateira, 15071 A Coruña, Spain
2. School of Physical and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
3. Research Infrastructures Area, X-ray Unit, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
4. Universidade da Coruña, Campus Industrial de Ferrol, CITENI-Grupo Proterm, Campus de Esteiro, 15403 Ferrol, Spain
5. Division of Applied Physical Chemistry, Department of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
6. ICGM, CNRS, Université de Montpellier, ENSCM, 34095 Montpellier Cedex 5, France