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From the same journal

Dimethylalkoxygallanes: monomeric versus dimeric gas-phase structures

Research output: Contribution to journalArticlepeer-review

Author(s)

  • C.E. Knapp
  • D.A. Wann
  • A. Bil
  • J.T. Schirlin
  • H.E. Robertson
  • P.F. McMillan
  • D.W.H. Rankin
  • C.J. Carmalt

Department/unit(s)

Publication details

JournalInorganic Chemistry
DatePublished - 5 Mar 2012
Issue number5
Volume51
Pages (from-to)3324-3331
Original languageEnglish

Abstract

The molecular structures of the vapors produced on heating dimethylalkoxygallanes of the type [Me 2Ga(OR)] 2 have been determined by gas electron diffraction and ab initio molecular orbital calculations. In the solid state [Me 2Ga(OCH 2CH 2NMe 2)] 2 (1) and [Me 2Ga(OCH 2CH 2OMe)] 2 (2) adopt dimeric structures, although only the monomeric forms [Me 2Ga(OCH 2CH 2NMe 2)] (1a) and [Me 2Ga(OCH 2CH 2OMe)] (2a) were observed in the gas phase. For comparison the structure of the vapor produced on heating [Me 2Ga(O tBu)] 2 (3) was also studied by gas electron diffraction. In contrast to 1 and 2, compound 3 is dimeric in the gas phase, as well as in the solid state. The gas-phase structures of 1a and 2a exhibit five-membered rings formed by a dative bond between Ga and the donor atom (N or O) from the donor-functionalized alkoxide. In 3 there is no possibility of a monomeric structure being stabilized by the formation of such a dative bond since only a monofunctional alkoxide is present in the molecule. © 2012 American Chemical Society.

Bibliographical note

Cited By (since 1996):1

Export Date: 1 October 2013

Source: Scopus

CODEN: INOCA

doi: 10.1021/ic202775x

Language of Original Document: English

Correspondence Address: Wann, D.A.; School of Chemistry, University of Edinburgh, West Mains Road, Edinburgh, EH9 3JJ, United Kingdom; email: derek.wann@ed.ac.uk

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