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	hartrees
Energy at 0K	-152.427578
Energy at 298.15K	-152.428626
HF Energy	-151.783048
Nuclear repulsion energy	58.519013

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3203	3203
2	A₁	2208	2208
3	A₁	1413	1413
4	A₁	1156	1156
5	B₁	588	588
6	B₁	520	520
7	B₂	3311	3311
8	B₂	988	988
9	B₂	439	439

Atom	y (Å)	z (Å)
C1	0.000	-1.212
C2	0.000	0.104
O3	0.000	1.266
H4	0.941	-1.738
H5	-0.941	-1.738

	C1	C2	O3	H4	H5
C1		1.3158	2.4781	1.0773	1.0773
C2	1.3158		1.1623	2.0675	2.0675
O3	2.4781	1.1623		3.1472	3.1472
H4	1.0773	2.0675	3.1472		1.8811
H5	1.0773	2.0675	3.1472	1.8811

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.185
C2	C1	H5	119.185		H4	C1	H5	121.630

All results from a given calculation for CH₂CO (Ketene)

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

States and conformations

All results from a given calculation for CH₂CO (Ketene)