ISSN 0894-3230 New features in 2012 – artwork on the cover page and profiles of young physical organic chemists (page 1021) Article first published online: 21 OCT 2011 | DOI: 10.1002/poc.1933 Research Articles Effects of α-cyclopropyl on heterocyclic carbenes stability at DFT (pages 1022–1029) M.Z. Kassaee, M.R. Momeni, F.A. Shakib, Z. Najafi and H. Zandi Article first published online: 6 DEC 20..