Organometallic sulfur complexes. VI. Molecular structure of a tricyclic complex, tricobalt enneacarbonyl sulfide
摘要：
A three-dimensional X-ray characterization of SCo3(CO)9, obtained by the reaction of dicobalt octacarbonyl with phenyl mercaptan, has provided the detailed molecular features of an organometallic complex containing a sulfur atom symmetrically bridging three metal atoms. Tricobalt enneacarbonyl sulfide forms triclinic crystals with four molecules in a centro-symmetric primitive unit cell of lattice parameters a = 9.67 A, b = 13.23 A, c = 13.41 A, α = 110° 00′, β = 108° 23′, and γ = 97° 21′. Structural refinement by a full-matrix, least-squares method yielded an unweighted reliability index of R1 = 10.9%. The idealized molecular configuration of trigonal C3v symmetry consists of an apical sulfur atom coordinated by three Co-S bonds to a Co3(CO)9 fragment of three equilaterally arranged Co(CO)3 groups bonded to one another by cobalt-cobalt bonds. The salient stereochemical features of SCo3(CO)9 are compared with those of Co3(CO)9CCH3 and other related molecular complexes.
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DOI：
10.1021/ic50052a035
被引量：
年份：
1967
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