Nuclear hyperfine structure in the donor-acceptor complexes (CH 3)3N-BF3 and (CH3) 3N-B(CH3)3

Sherri W. Hunt, Denise L. Shelley, Kenneth R. Leopold

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Abstract

The donor-acceptor complexes (CH3)3N-BF3 and (CH3)3N-B(CH3)3 have been reinvestigated at high resolution by rotational spectroscopy in a supersonic jet. Nuclear hyperfine structure resulting from both nitrogen and boron has been resolved and quadrupole coupling constants have been obtained. The results for both complexes indicate that approximately 0.4 electrons are transferred away from the (CH3)3N moiety upon formation of the dative bond.

Original languageEnglish (US)
Pages (from-to)9-12
Number of pages4
JournalJournal of molecular spectroscopy
Volume281
Issue number1
DOIs
StatePublished - Nov 2012

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation , Grant Nos. CHE 0845290 and 9730844 .

Keywords

  • Donor-acceptor complex
  • Electron transfer
  • Hyperfine structure
  • Trimethylamine-borane complex
  • Trimethylamine-boron trifluoride complex

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