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Intramolecular C−H···π Interactions in Metal-Porphyrin Complexes
"Vinča" Institute of Nuclear Sciences, Laboratory of Theoretical Physics and Condensed Matter Physics, 11001, Belgrade, P. O. Box 522, Serbia and Montenegro
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
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
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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.
Bogdanović GA, Medaković V, Milčić MK, Zarić SD. Intramolecular C−H···π Interactions in Metal-Porphyrin Complexes. International Journal of Molecular Sciences. 2004; 5(4):174-185.
Bogdanović, Goran A.; Medaković, Vesna; Milčić, Miloš K.; Zarić, Snežana D. 2004. "Intramolecular C−H···π Interactions in Metal-Porphyrin Complexes." Int. J. Mol. Sci. 5, no. 4: 174-185.