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	hartrees
Energy at 0K	-152.207248
Energy at 298.15K	-152.208290
HF Energy	-151.746413
Nuclear repulsion energy	57.772944

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	3227	3227	30.37	121.17	0.08	0.15
2	A₁	2181	2181	533.81	17.63	0.47	0.64
3	A₁	1400	1400	14.52	3.87	0.23	0.37
4	A₁	1142	1142	1.67	48.58	0.15	0.26
5	B₁	584	584	49.53	1.07	0.75	0.86
6	B₁	520	520	65.54	4.80	0.75	0.86
7	B₂	3348	3348	8.91	48.48	0.75	0.86
8	B₂	981	981	1.99	0.09	0.75	0.86
9	B₂	432	432	1.96	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.229
C2	0.000	0.104
O3	0.000	1.283
H4	0.951	-1.756
H5	-0.951	-1.756

	C1	C2	O3	H4	H5
C1		1.3336	2.5118	1.0872	1.0872
C2	1.3336		1.1782	2.0892	2.0892
O3	2.5118	1.1782		3.1837	3.1837
H4	1.0872	2.0892	3.1837		1.9026
H5	1.0872	2.0892	3.1837	1.9026

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	118.962
C2	C1	H5	118.962		H4	C1	H5	122.077

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP2/daug-cc-pVDZ

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/daug-cc-pVDZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)