A novel triazidoruthenium(III) building block for the construction of polynuclear compounds

Dalton Transactions : an International Journal of Inorganic Chemistry
Jing XiangTai-Chu Lau

Abstract

Reaction of [Ru(VI)(N)(sap)Cl] with excess NaN(3) affords a novel paramagnetic triazidoruthenium(III) complex [Ru(III)(sap)(N(3))(3)](2-), which is isolated as a PPh(4)(+) salt (1). Reaction of 1 with Ni(2+) and Co(2+) ions produce two isostructural hexanuclear [Ru(4)M(2)] compounds, [Ru(IV)(4)M(II)(2)(μ(3)-OMe)(2)(μ-OMe)(2)(μ-N)(2)(μ-N(3))(2)(μ-O(phenoxy))(2)(sap)(4) (MeOH)(4)] (M = Ni 2 or Co 3). The molecular structures of 1-3 have been determined by X-ray crystallography. 1 is a mononuclear ruthenium(III) compound where three azide ligands are bonded to ruthenium in a meridional fashion, while compounds 2 and 3 are isostructural hexanuclear compounds containing a defective face-sharing dicubane-like core with two missing vertexes. Variable-temperature dc magnetic susceptibility studies have been carried out for 2 and 3. These data indicate that there are four diamagnetic Ru(IV) ions in 2 and 3 and there is ferromagnetic interaction between the two Ni(2+) in 2 and Co(2+) in 3 via the methoxy bridges.

References

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Jul 27, 2010·Chemical Communications : Chem Comm·Jing XiangTai-Chu Lau
Jan 19, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·Sambuddha BanerjeeSamiran Mitra
May 24, 2011·Chemical Communications : Chem Comm·Kasper S PedersenJesper Bendix

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Citations

Mar 15, 2014·Chemical Communications : Chem Comm·Kasper S PedersenRodolphe Clérac
Mar 7, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Qian-Qian SuTai-Chu Lau
Aug 14, 2020·Chemical Communications : Chem Comm·Sungho V ParkJohn F Berry

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