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Bis[1,3-bis-(2,4,6-trimethyl-phen-yl)-2,3-dihydro-1H-imidazol-2-yl-idene]dichloridodinitro-syltungsten(II) tetra-hydro-furan-d(8) monosolvate.

ABSTRACT: The mol-ecular structure of the title compound, [WCl(2)(NO)(2)(C(21)H(24)N(2))(2)]·C(4)D(8)O, displays a distorted octa-hedral arrangement around the W atom with two trans 1,3-bis-(2,4,6-trimethyl-phen-yl)imidazol-2-yl-idene (IMes) carbene ligands in axial positions. The four equatorial positions are occupied by nitrosyl and chloride ligands, which are trans to each other. The C(carbene)-W-C(carbene) bond angle of 173.44?(18)° and the Cl-W-N(nitros-yl) bond angles of 171.34?(11) and 171.32?(13)° deviate only slightly from linearity. The distortion comes from the nitrosyl and chloride ligands which are not fully coplanar since the two N atoms deviate from the WCl(2) plane by -0.279?(4) and 0.272?(4)?Å, respectively. An inter-molecular C-H?O inter-action connects the organometallic mol-ecule and the tetra-hydro-furan-d(8) solvent mol-ecule.

SUBMITTER: Fraga-Hernandez J 

PROVIDER: S-EPMC3050297 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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Bis[1,3-bis-(2,4,6-trimethyl-phen-yl)-2,3-dihydro-1H-imidazol-2-yl-idene]dichloridodinitro-syltungsten(II) tetra-hydro-furan-d(8) monosolvate.

Fraga-Hernández Javier J   Blacque Olivier O   Berke Heinz H  

Acta crystallographica. Section E, Structure reports online 20101204 Pt 1

The mol-ecular structure of the title compound, [WCl(2)(NO)(2)(C(21)H(24)N(2))(2)]·C(4)D(8)O, displays a distorted octa-hedral arrangement around the W atom with two trans 1,3-bis-(2,4,6-trimethyl-phen-yl)imidazol-2-yl-idene (IMes) carbene ligands in axial positions. The four equatorial positions are occupied by nitrosyl and chloride ligands, which are trans to each other. The C(carbene)-W-C(carbene) bond angle of 173.44 (18)° and the Cl-W-N(nitros-yl) bond angles of 171.34 (11) and 171.32 (13)°  ...[more]

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