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Transition Metal Complexes with Bidentate Ligands Spanning trans ‐Positions. Part XIII . Preparation, properties and crystal and molecular structures of chlorocarbonyl‐2,11‐bis(diphenylphosphinophenyl) benzo[ c ]phenanthreneiridium (I) and trichlorocarbonyl‐2,11‐bis(diphenylphosphinomethyl) benzo[ c ]phenanthreneiridium(III)
Author(s) -
Baumgartner E.,
Reed F. J. S.,
Venanzi L. M.,
Bachechi Fiorella,
Mura Pasquale,
Zambonelli Luigi
Publication year - 1983
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19830660823
Subject(s) - chemistry , denticity , ligand (biochemistry) , octahedron , transition metal , crystallography , crystal structure , stereochemistry , rhodium , metal , crystal (programming language) , medicinal chemistry , catalysis , organic chemistry , biochemistry , receptor , computer science , programming language
The complex [IrCl 3 (CO)( 1 )]( 4,1 =2,11‐bis (diphenylphosphinomethyl)benzo[ c ]phenanthrene) has been prepared by CuCl 2 ‐oxidation of [IrCl(CO)( 1 )]( 2a ). It is shown that the chlorine oxidation of 2a gives a mixture of products whose composition depends on the reaction conditions. The X‐ray crystal structures of 2a and 4 have been determined. The small conformational differences observed for the trans ‐spanning ligand 1 in the two complexes are likely to be caused by the difference in Ir‐P bond lengths in square planar 2a and octahedral 4 (2.310(4) and 2.411(3) Å, respectively).