Abstract
The microwave spectra of nine isotopic species of borane monoammoniate (11BH3NH3, 10BH3NH3, 11BH3ND3, 10BH3ND3, 11BD3NH3, 11BH3 15NH3, 10BH3 15NH3, 11BD2HNH3, 11BH3ND2H) have been observed. The rotational constants, centrifugal distortion constants, dipole moment, torsional barrier, and molecular geometry of borane monoammoniate were determined from these spectra. The rs structure is: BN=1.6576(16) Å, BH=1.2160(17) Å, NH=1.0140(20) Å, ∠NBH=104.69(11), ∠BNH=110.28(14). The dipole moment is 5.216(17) D. The torsional barrier about the B–N bond, V3, is 2.047(9) kcal mol−1 for 11BH3ND2H and 2.008(4) kcal mol−1 for 11BD2HNH3.
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Dates
Type | When |
---|---|
Created | 22 years, 6 months ago (Feb. 28, 2003, 11:47 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 7:30 p.m.) |
Indexed | 2 months, 2 weeks ago (June 17, 2025, 12:05 p.m.) |
Issued | 42 years, 8 months ago (Jan. 1, 1983) |
Published | 42 years, 8 months ago (Jan. 1, 1983) |
Published Print | 42 years, 8 months ago (Jan. 1, 1983) |
@article{Thorne_1983, title={Microwave spectrum, torsional barrier, and structure of BH3NH3}, volume={78}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.444528}, DOI={10.1063/1.444528}, number={1}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Thorne, L. R. and Suenram, R. D. and Lovas, F. J.}, year={1983}, month=jan, pages={167–171} }