Propadienal

Formula: C₃H₂O
Molecular weight: 54.0474
CAS Registry Number: 61244-93-7
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Other data available:
- Gas phase ion energetics data
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Vibrational and/or electronic energy levels

State: X

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


CH stretch	3049	Ar	IR	Chapman, Miller, et al., 1987
CH stretch	3024	Ar	IR	Chapman, Miller, et al., 1987
CH stretch	3037	N₂	IR	Chapman, Miller, et al., 1987
CH stretch	3026	N₂	IR	Chapman, Miller, et al., 1987
CH stretch	2978	Ar	IR	Chapman, Miller, et al., 1987
CH stretch	2974	Ar	IR	Chapman, Miller, et al., 1987
CH stretch	2978	N₂	IR	Chapman, Miller, et al., 1987
CH stretch	2968	N₂	IR	Chapman, Miller, et al., 1987
	2177	Ar	IR	Chapman, Miller, et al., 1987
	2172	N₂	IR	Chapman, Miller, et al., 1987
C=O stretch	2127.11	gas	DL	O'Sullivan, Livingstone, et al., 2007
C=O stretch	2125	Ar	IR	Chapman, Miller, et al., 1987
C=O stretch	2124	N₂	IR	Chapman, Miller, et al., 1987
	2079	Ar	IR	Chapman, Miller, et al., 1987
	2075	N₂	IR	Chapman, Miller, et al., 1987
	1959	Ar	IR	Chapman, Miller, et al., 1987
	1973	N₂	IR	Chapman, Miller, et al., 1987
	1690	Ar	IR	Chapman, Miller, et al., 1987
	1685	N₂	IR	Chapman, Miller, et al., 1987
	1444	Ar	IR	Chapman, Miller, et al., 1987
	1457	N₂	IR	Chapman, Miller, et al., 1987
	1046	Ar	IR	Chapman, Miller, et al., 1987
	1047	N₂	IR	Chapman, Miller, et al., 1987
	980	Ar	IR	Chapman, Miller, et al., 1987
	988	N₂	IR	Chapman, Miller, et al., 1987
	903	Ar	IR	Chapman, Miller, et al., 1987
	910	N₂	IR	Chapman, Miller, et al., 1987
	668	Ar	IR	Chapman, Miller, et al., 1987
	674	N₂	IR	Chapman, Miller, et al., 1987
	473	Ar	IR	Chapman, Miller, et al., 1987
	479	N₂	IR	Chapman, Miller, et al., 1987

Additional references: Jacox, 1994, page 328; Blackman, Brown, et al., 1977; Brown, Godfrey, et al., 1981

References

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Chapman, Miller, et al., 1987
Chapman, O.L.; Miller, M.D.; Pitzenberger, S.M., Infrared spectroscopy of matrix-isolated propadienone, J. Am. Chem. Soc., 1987, 109, 22, 6867, https://doi.org/10.1021/ja00256a060 . [all data]

O'Sullivan, Livingstone, et al., 2007
O'Sullivan, P.J.; Livingstone, R.J.; Liu, Z.; Davies, P.B., Diode laser absorption spectroscopy of the, Mol. Phys., 2007, 105, 5-7, 727, https://doi.org/10.1080/00268970701219199 . [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]

Blackman, Brown, et al., 1977
Blackman, G.L.; Brown, R.D.; Brown, R.F.C.; Eastwood, F.W.; McMullen, G.L., The microwave spectrum of methylene ketene, J. Mol. Spectrosc., 1977, 68, 3, 488, https://doi.org/10.1016/0022-2852(77)90248-X . [all data]

Brown, Godfrey, et al., 1981
Brown, R.D.; Godfrey, P.D.; Champion, R.; McNaughton, D., Microwave spectrum and unusual geometry of propadienone (methylene ketene), J. Am. Chem. Soc., 1981, 103, 19, 5711, https://doi.org/10.1021/ja00409a016 . [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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