DOI: 10.1139/p74-048. The ν5 Fundamental Bands of N2H2 and N2D2

The ν5 Fundamental Bands of N2H2 and N2D2

10.1139/p74-048

Crossref journal-article

Canadian Science Publishing

Canadian Journal of Physics (155)

Abstract

The infrared absorption spectrum of diimide (N2H2) in the 3.2 μm region has been reexamined at higher resolution than previously, and that of dideuterodiimide (N2D2) at 4.3 μm has been recorded for the first time. The ν5 fundamental (A- and B-type hybrid band) for both isotopic molecules has been analyzed, and a complete set of rotational and centrifugal distortion constants for the ground and ν5 = 1 states have been determined. The rotational constants of the ground states are (cm−1) [Formula: see text] and the following geometrical parameters were obtained for the planar trans-conformation of diimide : [Formula: see text] From the intensity alternation observed in the J structure of N2H2 spectrum, it is concluded that diimide has a totally symmetric ground state.

Bibliography

Carlotti, M., Johns, J. W. C., & Trombetti, A. (1974). The Î½5 Fundamental Bands of N2H2 and N2D2. Canadian Journal of Physics, 52(4), 340â344.

Authors 3

M. Carlotti (first)
J. W. C. Johns (additional)
A. Trombetti (additional)

References 0 Referenced 93

None

Dates

Type	When
Created	7 years, 10 months ago (Oct. 16, 2017, 5:58 a.m.)
Deposited	1 month, 3 weeks ago (July 2, 2025, 10:36 a.m.)
Indexed	3 weeks, 1 day ago (Aug. 6, 2025, 9:29 a.m.)
Issued	51 years, 6 months ago (Feb. 15, 1974)
Published	51 years, 6 months ago (Feb. 15, 1974)
Published Print	51 years, 6 months ago (Feb. 15, 1974)

Funders 0

None

BibTeX

@article{Carlotti_1974, title={The ν5 Fundamental Bands of N2H2 and N2D2}, volume={52}, ISSN={1208-6045}, url={http://dx.doi.org/10.1139/p74-048}, DOI={10.1139/p74-048}, number={4}, journal={Canadian Journal of Physics}, publisher={Canadian Science Publishing}, author={Carlotti, M. and Johns, J. W. C. and Trombetti, A.}, year={1974}, month=feb, pages={340–344} }

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  "abstract": "<jats:p> The infrared absorption spectrum of diimide (N<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>) in the 3.2\u2002\u03bcm region has been reexamined at higher resolution than previously, and that of dideuterodiimide (N<jats:sub>2</jats:sub>D<jats:sub>2</jats:sub>) at 4.3\u2002\u03bcm has been recorded for the first time. The \u03bd<jats:sub>5</jats:sub> fundamental (A- and B-type hybrid band) for both isotopic molecules has been analyzed, and a complete set of rotational and centrifugal distortion constants for the ground and \u03bd<jats:sub>5</jats:sub>\u2002=\u20021 states have been determined. The rotational constants of the ground states are (cm<jats:sup>\u22121</jats:sup>) </jats:p><jats:p> [Formula: see text] </jats:p><jats:p> and the following geometrical parameters were obtained for the planar trans-conformation of diimide : </jats:p><jats:p> [Formula: see text] </jats:p><jats:p> From the intensity alternation observed in the J structure of N<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> spectrum, it is concluded that diimide has a totally symmetric ground state. </jats:p>",
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