The CrystEngComm journal chose a photo of Prof. G. Resnati and Prof. P. Metrangolo as front cover for the issue 22, vol. 13 (Nov. 2011), entirely devoted to "The positive side of fluorine".
The cover article written by the research team of Prof. Resnati and Prof. Metrangolo is entitled “Fluorine atom as a halogen bond donor, viz. a positive site” (pp. 6593-6596; DOI: 10.1039/C1CE05554B).
For more details visit both the web pages:
http://pubs.rsc.org/en/journals/journalissues/ce#!issueid=ce013022&type=current (cover)
http://pubs.rsc.org/en/content/articlelanding/2011/ce/c1ce05554b (article)