1. Departamento Química Orgánica, Facultad C. C. Químicas, Universidad Complutense de Madrid, Av. Complutense s/n, 28040 Madrid, Spain
2. IMDEA-Nanociencia, C/Faraday 9, Ciudad Universitaria de Cantoblanco, 28049 Madrid, Spain
3. Department of Chemistry and Pharmacy Friedrich-Alexander-Universität, Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
4. Single Crystal X-ray Diffraction Laboratory, Interdepartmental Research Service (SIdI), Universidad Autónoma de Madrid Cantoblanco, 28049 Madrid, Spain