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An optically pure P-alkene-ligated Ir(I) complex


Linden, Anthony; Dorta, Romano (2010). An optically pure P-alkene-ligated Ir(I) complex. Acta Crystallographica. Section C, Crystal Structure Communications, 66(10):m290-m293.

Abstract

The asymmetric unit of (P)-chloridobis[(S)-(+)-5-(3,5-dioxa-4-phosphacyclo­hepta­[2,1-a:3,4-a']dinaphthalen-4-yl)dibenz[b,f]azepine]iridium(I)-benzene-pentane (1/1/1), [IrCl(C34H22NO2P)2]·C6H6·C5H12, contains two formula units. The two symmetry-independent mol­ecules of the Ir complex have similar conformations and approximate C2 symmetry, with small deviations arising from slightly different puckering of the seven-membered di­oxa­phospha­cyclo­hepta­di­ene rings. The Ir atoms have trigonal-bipyramidal coordination geometry, with the P atoms in axial positions. The steric strain of the bidentate coordination of the P-alkene ligand through its P and alkene C atoms causes the N atom to have pyramidal geometry, compared with the trigonal-planar geometry observed in the free ligand. The coordination also results in an anti conformation of the binaphthyl and alkene groups within the P-alkene ligand.

Abstract

The asymmetric unit of (P)-chloridobis[(S)-(+)-5-(3,5-dioxa-4-phosphacyclo­hepta­[2,1-a:3,4-a']dinaphthalen-4-yl)dibenz[b,f]azepine]iridium(I)-benzene-pentane (1/1/1), [IrCl(C34H22NO2P)2]·C6H6·C5H12, contains two formula units. The two symmetry-independent mol­ecules of the Ir complex have similar conformations and approximate C2 symmetry, with small deviations arising from slightly different puckering of the seven-membered di­oxa­phospha­cyclo­hepta­di­ene rings. The Ir atoms have trigonal-bipyramidal coordination geometry, with the P atoms in axial positions. The steric strain of the bidentate coordination of the P-alkene ligand through its P and alkene C atoms causes the N atom to have pyramidal geometry, compared with the trigonal-planar geometry observed in the free ligand. The coordination also results in an anti conformation of the binaphthyl and alkene groups within the P-alkene ligand.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Scopus Subject Areas:Life Sciences > General Biochemistry, Genetics and Molecular Biology
Language:English
Date:October 2010
Deposited On:03 Dec 2010 13:22
Last Modified:29 Jul 2020 23:02
Publisher:Wiley-Blackwell
ISSN:0108-2701
Funders:FONACIT grant No. S1- 2001000851 (Venezuela)
OA Status:Green
Publisher DOI:https://doi.org/10.1107/S0108270110036413
Official URL:http://journals.iucr.org

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