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Molecular structures of [CpRu(PPh3)(dtoxa-H2O)]BF4 and {[CpRu(PPh3)2]2(μ-dtoxa)}(BF4)2, dtoxa=dithiooxamide

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Abstract

The reaction of [CpRu(PPh3)2(n-C3H7SH)]BF4 with dithiooxamide (dtoxa) gave two products: {[CpRu(PPh3)2]2(μ-dtoxa)} (BF4)2,1, and [CpRu(PPh3)(dtoxa-H2O)]BF4,2. The structures of both complexes were determined by X-ray diffraction techniques. Compound1 crystallized in the triclinic space groupP ¯1,a=12.822(4),b=14.16(1),c=23.631(8) Å,α=84.57(4),β=83.64(3), γ=83.57(4)°,Z=2,R=0.069,R w =0.084. The structure of1 shows two CpRu(PPh3)2 + units bridged through the S atoms of the dtoxa ligand. Ru-S distances are 2.377(6)Å for Ru1-S1 and 2.368(6) Å for Ru2-S2. Compound2 crystallized in the monoclinic space groupP21/c,a=13.446(3),b=13.461(7),c=31.214(7) Å,β=100.78(3)°,Z=8,R=0.054,R w =0.055. The structure of2 has two molecules in the asymmetric unit. The Ru is chelated to the dtoxa through the S atoms: Ru1-S1, 2.307(4); Ru1-S2, 2.300(4); Ru2-S3, 2.295(4); Ru2-S4, 2.287(4) Å. The coordination sphere of the Ru in2 is completed by a cyclopentadienyl ligand and a triphenylphosphine.

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, Arkansas State University, 72467, State University, Arkansas

    M. Draganjac & David Minick

  2. Department of Chemistry and Biochemistry, University of Arkansas, 72701, Fayetteville, Arkansas

    A. W. Cordes

Authors
  1. M. Draganjac
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  2. David Minick
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  3. A. W. Cordes
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Draganjac, M., Minick, D. & Cordes, A.W. Molecular structures of [CpRu(PPh3)(dtoxa-H2O)]BF4 and {[CpRu(PPh3)2]2(μ-dtoxa)}(BF4)2, dtoxa=dithiooxamide. Journal of Crystallographic and Spectroscopic Research 23, 265–271 (1993). https://doi.org/10.1007/BF01263585

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  • DOI: https://doi.org/10.1007/BF01263585

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