Octahedral hexahydroxo rhenium cluster complexes [Re6Q 8(OH)6]4-.(Q = S, Se): Synthesis, structure, and properties

Spartak S. Yarovoi, Yuri V. Mironov, Dmitry Y. Naumov, Yuri V. Gatilov, Svetlana G. Kozlova, Sung Jin Kim, Vladimir E. Fedorov

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Abstract

Two novel rhenium cluster compounds, K4[Re6S 8(OH)6]·8H2O (1) and K 4[Re6Se8(OH)6]·8H 2O (2), containing octahedral cluster chalcogenide anionic complexes [Re6Q8(OH)6]4- with terminal hydroxo ligands have been synthesized by the reaction of Re6Q 8Br2 (Q = S, Se) with molten KOH. Two chalcohalide compounds, one known (Cs4[Re6S8Br 6]·2H2O, 3) and another new (Cs3[Re 6Se8Cl6]·2H2O, 4), were prepared by reactions of 1 and 2 with CsX and HX (X = Br, Cl) in an aqueous solution. Compounds 1, 2, and 4 have been characterized by the single-crystal X-ray diffraction method. Compounds 1 and 2 are crystallized in triclinic space group P1 with one formula unit in the cell of dimensions a = 8.4936(8) Å, b = 8.9101(11) Å, c = 10.5940(13) Å, α = 77.935(11)°, β = 75.933(9)°, γ = 71.244(10)°, V = 728.9(1) Å3 (compound 1) and a = 8.613(1) Å, b = 8.996(1) Å, c = 10.057(1) Å, α = 78.587(2)°, β = 77.811(2)°, γ = 71.728(2)°, V = 715.9(2) Å3 (compound 2). Compound 4 crystallizes in the monoclinic space group P21/n with two formula units in the cell of dimensions a = 9.819(3) Å, b = 12.925(4) Å, c = 11.756(4) Å, β = 113.38(3)°, V = 1369.6(8) Å3. Compounds 1 and 2 display luminescent properties.

Original languageEnglish
Pages (from-to)3945-3949
Number of pages5
JournalEuropean Journal of Inorganic Chemistry
Issue number19
DOIs
StatePublished - 7 Oct 2005

Bibliographical note

Funding Information:
We would like to thank Michigan State University’s High-Performance Computing Cluster and the University of Auckland for providing computing resources. This study was funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases P50AR060772 (Insight CORT), and by Michigan State University. JOS and TF were funded by the Dines Family Charitable Trust and a Health Research Council Explorer Grant (HRC 19/774).

Funding Information:
This study was funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases P50AR060772 (Insight CORT), and by Michigan State University. JOS and TF were funded by the Dines Family Charitable Trust and a Health Research Council Explorer Grant (HRC 19/774).

Keywords

  • Cluster compounds
  • Electronic structure
  • Hexahydroxo complexes
  • Luminescence
  • Rhenium

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