Synthesis and study of hexanuclear molybdenum clusters containing thiolate ligands

Lisa F. Szczepura, Karen A. Ketcham, Betty A. Ooro, Julia A. Edwards, Jeffrey N. Templeton, David L. Cedeño, Alan J. Jircitano

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39 Scopus citations


Four hexanuclear molybdenum chloride cluster complexes containing terminal thiolate ligands have been synthesized and fully characterized. (Bu 4N)2[Mo6Cl8(SEt)6] was prepared by reacting Na2[Mo6Cl8(OMe) 6] with an excess of ethanethiol in refluxing tetrahydrofuran. (PPN)2[Mo6Cl8(SBu)6], (Bu 4N)2[Mo6Cl6(SBn)6], and (Bu4N)2[Mo6Cl8(SNC8H 6)6] (C8H6NS- = 3-indolylthiolate) were subsequently prepared in the reaction of [Mo 6Cl8(SEt)6]2- with an excess of HSR (R = Bu, Bn or 3-indolyl). Single crystal X-ray diffraction analyses were performed on two of these complexes: (PPN)2[Mo6Cl 8(SEt)6]·Et2O, crystallizes in the triclinic space group P1 with a = 12.3894(11), b = 13.7651(12), c = 15.0974(13), α= 103.975(2), β = 99.690(2), γ = 98.062(2), and Z = 1; (PPh3Me)2[Mo6Cl8(SBn) 6]·2NO2CH3, also crystallizes in the P1 space group with a = 12.1574(16), b = 13.4441(17), c = 14.2132(18), α = 89.654(2), β = 88.365(2), γ = 71.179(2), and Z= 1. Our studies demonstrate that [Mo6Cl8(SEt)6]2- displays luminescent properties and that the same complex undergoes substitution reactions with different thiols, as well as reaction with electrophilic reagents such as Mel.

Original languageEnglish (US)
Pages (from-to)7271-7278
Number of pages8
JournalInorganic chemistry
Issue number16
StatePublished - Aug 18 2008

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry


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