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HN=C=NH


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:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a 2 NCN s-stretch 1285 ± 20 gas IR Birk and Winnewisser, 1986
2 NCN s-stretch 1275 Ar IR King and Strope, 1971
5 NCN deform. 537 m Ar IR King and Strope, 1971
b 7 NCN a-stretch 2104.7 gas IR Birk and Winnewisser, 1986
7 NCN a-stretch 2097 s Ar IR King and Strope, 1971
8 NH deform. 890 ± 10 gas IR Birk and Winnewisser, 1986
8 NH deform. 886 vs Ar IR King and Strope, 1971

Additional references: Jacox, 1994, page 254; Jacox, 1998, page 282; Jacox, 2003, page 266; Winniwisser and Birk, 1988; Birk, Winnewisser, et al., 1989; Wagener, Winnewisser, et al., 1995; Jabs, Winnewisser, et al., 1999

Notes

mMedium
sStrong
vsVery strong

References

Go To: Top, Vibrational and/or electronic energy levels, Notes

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

Birk and Winnewisser, 1986
Birk, M.; Winnewisser, M., The rotation-vibration spectrum of gaseous carbodiimide (HNCNH), Chem. Phys. Lett., 1986, 123, 5, 386, https://doi.org/10.1016/0009-2614(86)80027-6 . [all data]

King and Strope, 1971
King, S.T.; Strope, J.H., Infrared Spectra of the Argon Matrix-Isolated Cyanamide, Cyanamide-d2, and Carbodiimide, J. Chem. Phys., 1971, 54, 3, 1289, https://doi.org/10.1063/1.1674967 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Winniwisser and Birk, 1988
Winniwisser, M.; Birk, M., J. Chem. Soc., 1988, Faraday Trans. 2 84, 1341. [all data]

Birk, Winnewisser, et al., 1989
Birk, M.; Winnewisser, M.; Cohen, E.A., The rotational-torsional spectrum of carbodiimide: A probe for the unusual dynamics, J. Mol. Spectrosc., 1989, 136, 2, 402, https://doi.org/10.1016/0022-2852(89)90345-7 . [all data]

Wagener, Winnewisser, et al., 1995
Wagener, V.; Winnewisser, M.; Bellini, M., The rQKa, Branches of Carbodiimide, HNCNH, between 1.8 and 3.3 THz, J. Mol. Spectrosc., 1995, 170, 2, 323, https://doi.org/10.1006/jmsp.1995.1074 . [all data]

Jabs, Winnewisser, et al., 1999
Jabs, W.; Winnewisser, M.; Belov, S.P.; Lewen, F.; Maiwald, F.; Winnewisser, G., The structure of carbodiimide, HNCNH, Mol. Phys., 1999, 97, 1-2, 213, https://doi.org/10.1080/00268979909482825 . [all data]


Notes

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