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

Jing Xiang, Li Hui Jia, Wai Lun Man, Kang Qian, Gene Hsiang Lee, Shie Ming Peng, Shek Man Yiu, Song Gao*, Tai Chu Lau

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

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 4M 2] compounds, [Ru IV 4M II 23-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 3via the methoxy bridges.

Original languageEnglish
Pages (from-to)5794-5798
Number of pages5
JournalDalton Transactions
Volume41
Issue number19
Early online date13 Feb 2012
DOIs
Publication statusPublished - 21 May 2012

Scopus Subject Areas

  • Inorganic Chemistry

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