t-N2D2

Vibrational and/or electronic energy levels

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Marilyn E. Jacox

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 58086 T gas B-X 159 172 Trombetti, 1968
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
ag 2 Bend 950 gas AB Trombetti, 1968

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
gas A-X 320 430 Back, Willis, et al., 1974
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
ag 2 Bend 910 ± 10 gas AB Back, Willis, et al., 1974
3 NN stretch 1440 ± 20 gas AB Back, Willis, et al., 1974

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
ag 2 ND bend 1215 N2 Ra Bondybey and Nibler, 1973
3 N=N stretch 1539 N2 Ra Bondybey and Nibler, 1973
au 4 Torsion 948.30 gas IR Hegelund, Burger, et al., 1996
Demaison, Hegelund, et al., 1997
4 Torsion 946 N2 IR Rosengren and Pimentel, 1965
Bondybey and Nibler, 1973
Minkwitz, 1975
bu 5 ND stretch 2315.05 gas IR Carlotti, Johns, et al., 1974
Hegelund, Burger, et al., 1996
5 ND stretch 2308 N2 IR Minkwitz, 1975
6 ND bend 968.70 gas IR Hegelund, Burger, et al., 1996
Demaison, Hegelund, et al., 1997
6 ND bend 972 N2 IR Minkwitz, 1975

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Trombetti, 1968
Trombetti, A., The infrared and ultraviolet absorption spectra of diimide (N, Can. J. Phys., 1968, 46, 8, 1005, https://doi.org/10.1139/p68-127 . [all data]

Back, Willis, et al., 1974
Back, R.A.; Willis, C.; Ramsay, D.A., The Near-ultraviolet Absorption Spectrum of Diimide Vapor, Can. J. Chem., 1974, 52, 6, 1006, https://doi.org/10.1139/v74-160 . [all data]

Bondybey and Nibler, 1973
Bondybey, V.E.; Nibler, J.W., Infrared and Raman spectra of solid and matrix isolated diimide, HNNH, J. Chem. Phys., 1973, 58, 5, 2125, https://doi.org/10.1063/1.1679478 . [all data]

Hegelund, Burger, et al., 1996
Hegelund, F.; Burger, H.; Polanz, O., High-Resolution Infrared Study of the ν4, ν5, and ν6Bands oftrans-Dideutero-di-imide, DNND, J. Mol. Spectrosc., 1996, 179, 1, 142, https://doi.org/10.1006/jmsp.1996.0192 . [all data]

Demaison, Hegelund, et al., 1997
Demaison, J.; Hegelund, F.; Burger, H., Experimental and ab initio equilibrium structure of trans-diazene HNNH, J. Mol. Struct., 1997, 413/414, 447, https://doi.org/10.1016/S0022-2860(97)00019-7 . [all data]

Rosengren and Pimentel, 1965
Rosengren, K.; Pimentel, G.C., Infrared Detection of Diimide, N2H2, and Imidogen, NH, by the Matrix Isolation Method, J. Chem. Phys., 1965, 43, 2, 507, https://doi.org/10.1063/1.1696773 . [all data]

Minkwitz, 1975
Minkwitz, R., IR-spektroskopische Untersuchungen an festem Diimin und matrixisoli ertem Diimin, Mono- und Dideutero-diimin, Z. Anorg. Allg. Chem., 1975, 411, 1, 1, https://doi.org/10.1002/zaac.19754110102 . [all data]

Carlotti, Johns, et al., 1974
Carlotti, M.; Johns, J.W.C.; Trombetti, A., Can. J. Phys., 1974, 52, 340. [all data]

Notes

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