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X-ray crystal structures of two (ethylidyne)tricobalt clusters. Thermolysis of Cp*Co(H[sub 2]C=CH[sub 2])[sub 2] Produces Cp*[sub 3]Co[sub 3][mu][sub 3]CCH[sub 3]([mu][sub 3]-H), not Cp*[sub 3]Co[sub 3]([mu][sub 3]-CCH[sub 3])[sub 2]

Journal Article · · Organometallics; (United States)
DOI:https://doi.org/10.1021/om00016a065· OSTI ID:7267432
; ; ; ;  [1];  [2]
  1. Univ. of Wisconsin, Madison, WI (United States)
  2. Univ. of Surrey, Guildford (United Kingdom)
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The structures of the [mu][sub 3]-ethylidyne tricobalt clusters Cp*[sub 3]Co[sub 3]([mu][sub 3]-CCH[sub 3])[sub 2] (2) and Cp*[sub 3]Co[sub 3]([mu][sub 3]-CCH[sub 3])-([mu][sub 3]-H) (3) were determined by X-ray crystallography. The 48-electron cluster 2 consists of an equilateral triangle of cobalt atoms (Co-Co = 2.437(1) [angstrom]) symmetrically capped on each face by a [mu][sub 3]-CCH[sub 3] ligand. Cluster 3 was necessarily disordered by the crystallographic site symmetry (3/m) and was therefore refined by employing a mirror-disordered model (3a) which assigned half-weight to the disordered [mu][sub 3]-CCH[sub 3] ligand. The 46-electron cluster 3a consists of an equilateral triangle of cobalt atoms (Co-Co = 2.378(1) [angstrom]) symmetrically capped on a single face by a [mu][sub 3]-CCH[sub 3] ligand. 22 refs., 2 figs., 6 tabs.

OSTI ID:
7267432
Journal Information:
Organometallics; (United States), Journal Name: Organometallics; (United States) Vol. 13:4; ISSN 0276-7333; ISSN ORGND7
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
400201* -- Chemical & Physicochemical Properties
CHEMICAL REACTIONS
COBALT COMPLEXES
COHERENT SCATTERING
COMPILED DATA
COMPLEXES
CRYSTAL STRUCTURE
DATA
DECOMPOSITION
DIFFRACTION
INFORMATION
LIGANDS
NUMERICAL DATA
ORDER-DISORDER TRANSFORMATIONS
ORGANIC COMPOUNDS
ORGANOMETALLIC COMPOUNDS
PHASE TRANSFORMATIONS
PYROLYSIS
SCATTERING
SOLID CLUSTERS
SYMMETRY
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPLEXES
X-RAY DIFFRACTION