1. Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
2. Departament of Physical Chemistry, Facultad de Ciencias, Universidad de Málaga, 29071 Málaga, Spain
3. Department of Physics & Astronomy, University of Sheffield, S3 7RH Sheffield, U.K.
4. Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
5. Institut des Sciences Chimiques de Rennes (ISCR), UMR 6226 CNRS─Univ Rennes, 35000 Rennes, France
6. Laboratorio DRX Monocristal, SIdI, Universidad Autónoma de Madrid, 28049 Madrid, Spain
7. IMDEA-Nanociencia, C/Faraday, 9, Campus de Cantoblanco, 28049 Madrid, Spain