HON=CHCNO

Formula: C₂H₂N₂O₂
Molecular weight: 86.0495
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Vibrational and/or electronic energy levels

State: X

Approximate type of mode	cm^-1		Med.	Method	References


OH stretch	3621	vs	Ar	IR	Maier and Teles, 1987
CNO a-stretch	2301	vs	Ar	IR	Maier and Teles, 1987
CNO s-stretch	1453	m	Ar	IR	Maier and Teles, 1987
	1346	w	Ar	IR	Maier and Teles, 1987
	1258	m	Ar	IR	Maier and Teles, 1987
	1241	w m	Ar	IR	Maier and Teles, 1987
	989	m s	Ar	IR	Maier and Teles, 1987
	940	w m	Ar	IR	Maier and Teles, 1987
	914	w m	Ar	IR	Maier and Teles, 1987
	425	s	Ar	IR	Maier and Teles, 1987
	423	m	Ar	IR	Maier and Teles, 1987

Additional references: Jacox, 1994, page 381

Notes

Weak

Medium

Strong

Very strong

References

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Maier and Teles, 1987
Maier, G.; Teles, J.H., Isolierung und Photoisomerisierung von einfach substituierten Nitriloxiden, Angew. Chem., 1987, 99, 2, 152, https://doi.org/10.1002/ange.19870990221 . [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]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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