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Crystal structure of (?4-cyclo-octa-diene)(3,3'-dimesityl-1,1'-methyl-enediimidazoline-2,2'-diyl-idene)nickel(0) tetra-hydro-furan monosolvate.

ABSTRACT: The crystal structure of the title compound, [Ni(C25H28N4)(C8H12)]·C4H8O or (MesNHC2Me)Ni(COD), which contains a bidentate N-heterocyclic carbene (NHC) ligand with mesityl aryl groups is reported. The complex at 100?K has monoclinic (P21/c) symmetry and a distorted tetra-hedral geometry around the nickel center, with the cyclo-octa-diene ligand coordinated in a ?2,?2 fashion. The bidentate NHC ligand is not planar, with a C(carbene)-Ni-C(carbene) angle of 91.51?(12)°, resulting in the mesityl groups being on the same side of the cyclo-octa-diene (COD) ligand. One mol-ecule of tetra-hydro-furan (THF) is co-crystallized with the nickel complex and has positional disorder.

SUBMITTER: Yamamoto CD 

PROVIDER: S-EPMC6176447 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Crystal structure of (η<sup>4</sup>-cyclo-octa-diene)(3,3'-dimesityl-1,1'-methyl-enediimidazoline-2,2'-diyl-idene)nickel(0) tetra-hydro-furan monosolvate.

Yamamoto Carlos D CD   Zhang Zijie Z   Stieber Sabine Chantal E SCE  

Acta crystallographica. Section E, Crystallographic communications 20180907 Pt 10

The crystal structure of the title compound, [Ni(C<sub>25</sub>H<sub>28</sub>N<sub>4</sub>)(C<sub>8</sub>H<sub>12</sub>)]·C<sub>4</sub>H<sub>8</sub>O or (<sup>Mes</sup>NHC<sub>2</sub>Me)Ni(COD), which contains a bidentate N-heterocyclic carbene (NHC) ligand with mesityl aryl groups is reported. The complex at 100 K has monoclinic (<i>P</i>2<sub>1</sub>/<i>c</i>) symmetry and a distorted tetra-hedral geometry around the nickel center, with the cyclo-octa-diene ligand coordinated in a κ<sup>2</sup  ...[more]

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