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IR Spectra of Boron-Stabilized Anions in the Gas Phase

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Author
Abstract

Action spectroscopy of gaseous Me3BF- and Me2BCH2-, determined using IR multiple photon dissociation (IRMPD), exhibits experimental peak positions in good agreement with those predicted by anharmonic DFT calculations at the B3LYP/aug-cc-pVTZ level. Comparing spring constants among boron-carbon bonds and consideration of isoelectronic systems reveals that the anions have B-CH3 bonds a factor of 1.3-1.4 weaker than those in neutral trimethylboron, suggesting a greater role for hyperconjugation in 8(CH3)(3) than inferred from previous vibrational spectroscopic studies.

Year of Publication
2010
Journal
Inorganic Chemistry
Volume
49
Number
15
Number of Pages
6781-6783
Date Published
Aug
Type of Article
Article
ISBN Number
0020-1669
Accession Number
ISI:000280365300003
URL
PId
91cf184be5c93ca29f522650e1211414
Alternate Journal
Inorg. Chem.
Journal Article
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