Synthesis of Early Transition Metal Porphyrin Halide Complexes: First Structural Characterization of a Vanadium(III) Porphyrin Complex

Lisa M. Berreau, J. Alan Hays, Victor G. Young, L. Keith Woo

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Abstract

A general method for the preparation of early transition metal porphyrin halide complexes using a porphyrin dianion, (THF)2Li2(POR) (POR = OEP, TTP; OEP = octaethylporphyrinato, TTP = meso-tetra-p-tolylporphyrinato), and the appropriate metal halide complex, MXn (MXn = VCl3(THF)3, TiCl4(THF)2, TiCl3(THF)3, MoCl4(CH3CN)2, WCl4), is described. The structure of (TTP)VIIICl•THF (2•THF) has been determined by single-crystal X-ray diffraction analysis. Complex 2-THF crystallizes in the centrosymmetric space group P21/m with a = 11.968(2) Å, b = 17.072(3) Å, c = 12.649(2) Å, β = 98.62(2)°, V= 2555.2(8) Å3, Z = 2, R = 4.6%, and Rw = 6.7%. The V-Cl bond length is 2.272(1) Å, the V-N bond lengths range from 2.040(4) to 2.050(3) Å, and the V-O bond distance is 2.141(3) Å.

Original languageEnglish (US)
Pages (from-to)105-108
Number of pages4
JournalInorganic chemistry
Volume33
Issue number1
DOIs
StatePublished - Jan 1 1994

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