A Li8 cluster of three edge-connected Li4 tetrahedra held by Li–N, Li C, and Li Li interactions: crystal structure of (o-LiC6H4CH2·NLi·CH2CH2NMe2)4 and detection of metal metal coupling within it by 7Li COSY n.m.r. spectroscopy

D BARR, W CLEGG, S M HODGSON, Robert Mulvey, D REED, R SNAITH, D S WRIGHT

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28 Citations (Scopus)

Abstract

The compound (o-LiC6H4CH2·NLi·CH2CH2NMe2)n(1) is tetrameric (n= 4) in the crystal, with a core of three edge-connected Li4 tetrahedra bonded by N(Me2)Li, µ-N-amido-Li, o-C–Li, η2-o-C–m-CH–Li, and η3-CH2–α-C–o-C–Li interactions; in addition, the Li8 array displays some extremely short Li Li contact distances and coupling of Li atoms in solutions of (1) has been detected by homonuclear 7Li COSY n.m.r. spectroscopy.
Original languageEnglish
Pages (from-to)367-369
Number of pages3
JournalJournal of the Chemical Society, Chemical Communications
Issue number5
DOIs
Publication statusPublished - 1 Mar 1988

Keywords

  • spectroscopy
  • crystal structures
  • n.m.r. spectroscopy
  • metal coupling

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