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	hartrees
Energy at 0K	-152.226848
Energy at 298.15K	-152.227937
HF Energy	-151.761278
Nuclear repulsion energy	58.423117

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3202	3053	21.19
2	A₁	2243	2138	592.64
3	A₁	1443	1376	17.01
4	A₁	1175	1120	6.89
5	B₁	601	574	48.20
6	B₁	541	516	106.61
7	B₂	3305	3151	3.86
8	B₂	1030	982	7.04
9	B₂	455	434	2.94

Atom	y (Å)	z (Å)
C1	0.000	-1.213
C2	0.000	0.105
O3	0.000	1.268
H4	0.941	-1.747
H5	-0.941	-1.747

	C1	C2	O3	H4	H5
C1		1.3187	2.4811	1.0819	1.0819
C2	1.3187		1.1624	2.0776	2.0776
O3	2.4811	1.1624		3.1581	3.1581
H4	1.0819	2.0776	3.1581		1.8825
H5	1.0819	2.0776	3.1581	1.8825

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.541
C2	C1	H5	119.541		H4	C1	H5	120.918

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD/6-311G*

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/6-311G*

States and conformations

All results from a given calculation for CH₂CO (Ketene)