Abstract
The title compound, [Fe(C8H5)(C22H16P)(C3H9P)3], was synthesized by the addition of phenylethine to a solution of the parent methyl iron complex Fe(CH3){P(C6H5)2(C10H6)}(PMe3)3 at 213 K, accompanied by evolution of methane. The coordination around the iron center can be described as slightly distorted octahedral [Fe—P 2.2485 (12)–2.2902 (12) Å; Fe—C 1.918 (5), 2.015 (4) Å], with a meridional arrangement of the trimethylphosphine ligands and the introduced terminal alkinyl-ligand trans to the P(Ph)2-anchoring group.
Highlights
Related literature Some details of the synthesis of intermediates were described by Carreet al. (2000) and Karsch (1977)
Active iron(II) catalysts for olefin polymerization have bee prepared by Britovsek et al (1998) and Small et al (1998)
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV2474)
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.007 A; R factor = 0.043; wR factor = 0.098; data-to-parameter ratio = 14.4. The title compound, [Fe(C8H5)(C22H16P)(C3H9P)3], was synthesized by the addition of phenylethine to a solution of the parent methyl iron complex Fe(CH3){P(C6H5)2(C10H6)}(PMe3) at 213 K, accompanied by evolution of methane. Related literature Some details of the synthesis of intermediates were described by Carreet al. For related iron(II) complexes, see: Venturi et al (2004); Costuas et al (2004); Beck et al (2008). Crystal data [Fe(C8H5)(C22H16P)(C3H9P)3] Mr = 696.50 Monoclinic, Cc a = 9.6667 (18) Ab = 19.965 (4) Ac = 19.035 (4) A = 99.322 (7)
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