Issue 0, 1968

Crystal and molecular structure of a pentafluorophenyl complex of nickel: π-cyclopentadienyl-σ-pentafluorophenyl(triphenylphosphine)nickel

Abstract

π-Cyclopentadienyl-σ-pentafluorophenyl(triphenylphosphine)nickel, (π-C5H5)Ni(PPh3)(C6F5), crystallizes in the non-centrosymmetric orthorhombic space group Pca21, with a= 15·154, b= 8·906, c= 17·849 Å, and Z= 4. A single-crystal X-ray structural analysis, based on three-dimensional data complete to sin θ= 0·41 (Mo-Kα radiation) has resulted in the location of all 36 non-hydrogen atoms. The value of R is 10·21% for 1900 independent non-zero reflections. The crystal consists of molecular units of (π-C5H5)Ni(PPh3)(C6F5), separated by normal van der Waals' forces. The nickel atom may be regarded as five-co-ordinate, being linked to a triphenylphosphine, a pentafluorophenyl, and a formally tridentate π-cyclopentadienyl ring. The nickel–perfluorophenyl distance is 1·914 (σ 0·014)Å, and the nickel–phosphorus bond-length is 2·145 (σ 0·004)Å.

Article information

Article type
Paper

J. Chem. Soc. A, 1968, 2970-2976

Crystal and molecular structure of a pentafluorophenyl complex of nickel: π-cyclopentadienyl-σ-pentafluorophenyl(triphenylphosphine)nickel

M. R. Churchill and T. A. O'Brien, J. Chem. Soc. A, 1968, 2970 DOI: 10.1039/J19680002970

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