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	hartrees
Energy at 0K	-152.357557
Energy at 298.15K	-152.358590
HF Energy	-151.782624
Nuclear repulsion energy	58.407935

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3192	3150
2	A₁	2194	2166
3	A₁	1411	1393
4	A₁	1150	1135
5	B₁	585	577
6	B₁	508	501
7	B₂	3300	3257
8	B₂	988	975
9	B₂	435	429

Atom	y (Å)	z (Å)
C1	0.000	-1.215
C2	0.000	0.104
O3	0.000	1.268
H4	0.942	-1.740
H5	-0.942	-1.740

	C1	C2	O3	H4	H5
C1		1.3186	2.4831	1.0789	1.0789
C2	1.3186		1.1645	2.0709	2.0709
O3	2.4831	1.1645		3.1527	3.1527
H4	1.0789	2.0709	3.1527		1.8845
H5	1.0789	2.0709	3.1527	1.8845

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.151
C2	C1	H5	119.151		H4	C1	H5	121.697

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD(T)/6-311+G(3df,2p)

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: CCSD(T)/6-311+G(3df,2p)

States and conformations

All results from a given calculation for CH₂CO (Ketene)