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Int. J. Mol. Sci. 2004, 5(4), 174-185; doi:10.3390/i5040174
Article

Intramolecular C−H···π Interactions in Metal-Porphyrin Complexes

1, 2, 2 and 2,*
1 "Vinča" Institute of Nuclear Sciences, Laboratory of Theoretical Physics and Condensed Matter Physics, 11001, Belgrade, P. O. Box 522, Serbia and Montenegro 2 Department of Chemistry, Studentski trg 16, 11000 Belgrade, Serbia and Montenegro
* Author to whom correspondence should be addressed.
Received: 15 December 2003 / Accepted: 11 March 2004 / Published: 1 April 2004
(This article belongs to the Special Issue Proceedings of the Workshop on Modeling Interaction in Biomolecules)
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Abstract

Cambridge Structural Database (CSD) was screened in order to find intramolecular C−H···π interactions with a chelate ring of coordinated porphyrin. It was found 154 crystal structures with 244 intramolecular C−H···π interactions in transition metal complexes with derivatives of porphyrin. Comparison of interacting distances indicates that interactions of hydrogen atoms in positions 2 and 6 of axially coordinated pyridine are more favorable with ruffled than with planar porphyrin.
Keywords: C−H···π interactions; transition metal complexes; chelate ring; porphyrin; axial ligands C−H···π interactions; transition metal complexes; chelate ring; porphyrin; axial ligands
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Bogdanović, G.A.; Medaković, V.; Milčić, M.K.; Zarić, S.D. Intramolecular C−H···π Interactions in Metal-Porphyrin Complexes. Int. J. Mol. Sci. 2004, 5, 174-185.

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