Synthesis and X-ray structure of [(μ -H)Os3(CO)10(μ - η2 - N = CCH = CHCH = CC2H5)]

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Abstract

The reaction of [Os3(CO)10(MeCN)2] with 2-ethylpyridine at ambient temperature leads to the isolation of the cluster

which has been structurally characterized by crystallographic methods. The compound crystallizes in the triclinic space group P¯1 with a = 9.334(2), b = 9.918(2), c = 11.767(1) Å, α = 92.13(2), β = 99.93(1), γ = 99.88(2)°, V = 1054.7(3) Å3 and Z = 2. The same edge of the osmium triangle in the cluster is bridged by both the hydrido and the heterocyclic ligands, the latter through the nitrogen and the carbon atoms of the C= N bond.

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