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The CH⋅⋅⋅π Hydrogen Bond in the Benzene–Trifluoromethane Adduct: A Rotational Study

2005; Wiley; Volume: 45; Issue: 2 Linguagem: Inglês

10.1002/anie.200503097

1521-3773

Juan C. López, Walther Camináti, José L. Alonso,

Molecular spectroscopy and chirality

Angewandte Chemie International EditionVolume 45, Issue 2 p. 290-293 Communication The CH⋅⋅⋅π Hydrogen Bond in the Benzene–Trifluoromethane Adduct: A Rotational Study† Juan C. López Prof. Dr., Juan C. López Prof. Dr. Grupo de Espectroscopía Molecular (GEM), Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain, Fax: (+34) 983-423-204Search for more papers by this authorWalther Caminati Prof. Dr., Walther Caminati Prof. Dr. Grupo de Espectroscopía Molecular (GEM), Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain, Fax: (+34) 983-423-204 Permanent address: Dipartimento di Chimica "G. Ciamician" dell'Università, Via Selmi 2, 40126 Bologna, ItalySearch for more papers by this authorJosé L. Alonso Prof. Dr., José L. Alonso Prof. Dr. [email protected] Grupo de Espectroscopía Molecular (GEM), Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain, Fax: (+34) 983-423-204Search for more papers by this author Juan C. López Prof. Dr., Juan C. López Prof. Dr. Grupo de Espectroscopía Molecular (GEM), Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain, Fax: (+34) 983-423-204Search for more papers by this authorWalther Caminati Prof. Dr., Walther Caminati Prof. Dr. Grupo de Espectroscopía Molecular (GEM), Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain, Fax: (+34) 983-423-204 Permanent address: Dipartimento di Chimica "G. Ciamician" dell'Università, Via Selmi 2, 40126 Bologna, ItalySearch for more papers by this authorJosé L. Alonso Prof. Dr., José L. Alonso Prof. Dr. [email protected] Grupo de Espectroscopía Molecular (GEM), Departamento de Química Física y Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, 47005 Valladolid, Spain, Fax: (+34) 983-423-204Search for more papers by this author First published: 21 December 2005 https://doi.org/10.1002/anie.200503097Citations: 57 † We would like to thank the Dirección General de Investigación, Ministerio de Educación y Ciencia, (project BQU2003-03275) and the Junta de Castilla y León—Fondo Social Europeo (project VA012C05) for financial support. W.C. thanks J.L.A. and co-workers for their very kind hospitality. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Graphical Abstract Free to rotate: The rotational spectrum of unlabeled and 13C-labeled benzene species reveals that the benzene–trifluoromethane complex is stabilized by a CH⋅⋅⋅π weak hydrogen bond and undergoes an almost-free rotation of the two subunits with respect to each other (see picture). The estimated dissociation energy is 8.4 kJ mol−1. Citing Literature Supporting Information Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2006/z503097_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. Volume45, Issue2December 23, 2005Pages 290-293 RelatedInformation