Ethenamine, N-methylene-

Formula: C₃H₅N
Molecular weight: 55.0785
IUPAC Standard InChI: InChI=1S/C3H5N/c1-3-4-2/h3H,1-2H2
IUPAC Standard InChIKey: TUVFMMNANXKTRP-UHFFFAOYSA-N
CAS Registry Number: 38239-27-9
Chemical structure:
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Other names: N-Methyleneethenamine
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Other data available:
- Mass spectrum (electron ionization)
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Vibrational and/or electronic energy levels

State: X

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


a'	2	CH₂ a-stretch	3035		gas	IR	Amatatsu, Hamada, et al., 1987
	4	CH stretch	2871		gas	IR	Amatatsu, Hamada, et al., 1987
	5	CH₂ s-stretch	2832		gas	IR	Amatatsu, Hamada, et al., 1987
	6	C=N stretch	1635		gas	IR	Amatatsu, Hamada, et al., 1987
	7	C=C stretch	1618		gas	IR	Amatatsu, Hamada, et al., 1987
	8	CH₂ scissors	1452	w T	gas	IR	Amatatsu, Hamada, et al., 1987
	9	CH₂ scissors	1382		gas	IR	Amatatsu, Hamada, et al., 1987
	10	CH bend	1298		gas	IR	Amatatsu, Hamada, et al., 1987
	11	CH₂ rock	1233		gas	IR	Amatatsu, Hamada, et al., 1987
	14	CNC bend	523	w T	gas	IR	Amatatsu, Hamada, et al., 1987
a	16	CH₂ OPLA	1015		gas	IR	Amatatsu, Hamada, et al., 1987
	17	CH OPLA	965		gas	IR	Amatatsu, Hamada, et al., 1987
	18	CH₂ OPLA	913		gas	IR	Amatatsu, Hamada, et al., 1987
	20	C=C torsion	585		gas	IR	Amatatsu, Hamada, et al., 1987

Additional references: Jacox, 1994, page 409

Notes

Weak

Tentative assignment or approximate value

References

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Amatatsu, Hamada, et al., 1987
Amatatsu, Y.; Hamada, Y.; Tsuboi, M., FTIR detection of unstable molecules: Infrared spectrum of 2-azabutadiene, J. Mol. Spectrosc., 1987, 123, 2, 276, https://doi.org/10.1016/0022-2852(87)90278-5 . [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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