Concept of the H(δ+) ⋯ H(δ-) interaction. A low-temperature neutron diffraction study of cis-[IrH(OH)(PMe3)4]PF6

Raymond C. Stevens, Robert Bau, David Milstein, Ofer Blum, Thomas F. Koetzle

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Abstract

The structure of the rare hydridohydroxy complex cis-[IrH(OH)(PMe3)4]PF6 has been analyzed at 20 K by single-crystal neutron diffraction. The results confirm the geometry derived from an earlier X-ray analysis. Perhaps the most significant result concerns the bending of the O-H group towards the hydride ligand, with a smaller-than-usual Ir-O-H angle of 104.4(7)°, suggestive of an attractive interaction between the electron-deficient H atom of the hydroxy group and the electronegative hydride ligand.

Original languageEnglish
Pages (from-to)1429-1432
Number of pages4
JournalJournal of the Chemical Society, Dalton Transactions
Issue number4
DOIs
Publication statusPublished - 1990

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ASJC Scopus subject areas

  • Chemistry(all)

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