Dinuclear rhodium and iridium complexes of dicarboxyimidazolates; Crystal structure of [NBu<inf>4</inf>][(cod)Rh(dcbi)Rh(cod)]·2Pr<sup>i</sup>OH

J. Carlos Bayón, Gemma Net, Paul G. Rasmussen, J. Bruce Kolowich

Research output: Contribution to journalArticleResearchpeer-review

44 Citations (Scopus)

Abstract

Dinuclear complexes of rhodium and iridium with 4,5-dicarboxyimidazole (H3dcbi) and 4,5-dicarboxy-2-methylimidazole (H3dcbmi) are reported. In each case, the bridging carboxyimidazole ligand binds as the trianion. The auxiliary ligands are cycle-octa-1,5-diene(cod), carbon monoxide, and triphenylphosphine. The CO complexes, such as [NR4][(OC) 2Ir(dcbi)Ir(CO)2] which contains a planar dinuclear anion, exhibit strong colours which are caused by intermolecular stacking interactions and which are modulated by the counter cation. The X-ray crystal structure of [NBu4][(cod)Rh(dcbi)Rh(cod)]·2PriOH is described.
Original languageEnglish
Pages (from-to)3003-3007
JournalJournal of the Chemical Society, Dalton Transactions
Issue number12
DOIs
Publication statusPublished - 1 Jan 1987

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