The isolation and crystal structure of {Li·(H2O)2·[OP(NMe2)3]}22+·2Cl–: a (LiO)2 ring compound with bridging neutral oxygen (hexamethylphosphormaide) ligands

D BARR, W CLEGG, Robert Mulvey, R SNAITH

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

The low melting-point, hydrocabon-soluble, and moisture-sensitive crystalline material isolated from the reaction of hydrated lithium chloride with OP(NMe2)3(HMPA) has been shown by X-ray crystallography to be the discrete, internally-ionic complex, [Li·(H2O)2·HMPA]22+·2Cl–; the chloride ions are hydrogen bonded to the cations water molecules, which are terminally bonded to the lithium atoms, while the centre of the cation consists of a planar (LiO)2 ring provided by bridiging, yet formally neuttal, HMPA ligands.
Original languageEnglish
Pages (from-to)974-975
Number of pages2
JournalJournal of the Chemical Society, Chemical Communications
Issue number15
DOIs
Publication statusPublished - 1984

Keywords

  • hexamethylphosphormaide
  • ligands
  • crystal structures

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