Complete infrared spectroscopic characterization of phenol-borane-trimethylamine dihydrogen-bonded complex in the gas phase
Abstract
In the paper we report the first observation of the vibrational spectrum in the B-H stretching region in the gas phase for a dihydrogen bonded complex. The appearance of three transitions for the B-H stretching modes of a (di)hydrogen-bonded complex involving borane-trimethylamine indicates the lowering of the symmetry on the BH3 group upon interaction with phenol. Further, the shift in the O-H stretching frequency indicates that phenol is hydrogen bonded to borane-trimethylamine. The two sets of the present data establish, unequivocally, the formation of O-H ⋯H-B dihydrogen-bonded complex between phenol and borane-trimethylamine.
- Publication:
-
Journal of Chemical Physics
- Pub Date:
- June 2006
- DOI:
- Bibcode:
- 2006JChPh.124x1103P
- Keywords:
-
- 33.20.Ea;
- 33.20.Tp;
- 33.15.Mt;
- 33.15.Fm;
- 33.70.Jg;
- Infrared spectra;
- Vibrational analysis;
- Rotation vibration and vibration-rotation constants;
- Bond strengths dissociation energies;
- Line and band widths shapes and shifts