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	hartrees
Energy at 0K	-27.979940
Energy at 298.15K	-27.980854
HF Energy	-27.701739
Nuclear repulsion energy	29.413813

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	3190	3083	12.21	114.74	0.24	0.39
2	A₁	2043	1974	377.16	0.98	0.52	0.69
3	A₁	1431	1383	20.06	7.41	0.70	0.82
4	A₁	1088	1052	4.48	36.29	0.27	0.43
5	B₁	589	569	148.96	2.71	0.75	0.86
6	B₁	420	406	61.88	8.73	0.75	0.86
7	B₂	3311	3199	0.01	60.54	0.75	0.86
8	B₂	1017	983	6.09	0.09	0.75	0.86
9	B₂	399	385	1.58	0.13	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.275
C2	0.000	0.104
O3	0.000	1.331
H4	0.957	-1.811
H5	-0.957	-1.811

	C1	C2	O3	H4	H5
C1		1.3785	2.6055	1.0969	1.0969
C2	1.3785		1.2270	2.1406	2.1406
O3	2.6055	1.2270		3.2844	3.2844
H4	1.0969	2.1406	3.2844		1.9137
H5	1.0969	2.1406	3.2844	1.9137

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.275
C2	C1	H5	119.275		H4	C1	H5	121.450

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP2/CEP-31G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CH2CO (Ketene)

using model chemistry: MP2/CEP-31G

States and conformations

All results from a given calculation for CH₂CO (Ketene)