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	hartrees
Energy at 0K	-152.370349
Energy at 298.15K	-152.371373
HF Energy	-151.785686
Nuclear repulsion energy	58.329517

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3192	3192
2	A₁	2182	2182
3	A₁	1412	1412
4	A₁	1149	1149
5	B₁	588	588
6	B₁	505	505
7	B₂	3297	3297
8	B₂	989	989
9	B₂	432	432

Atom	y (Å)	z (Å)
C1	0.000	-1.217
C2	0.000	0.103
O3	0.000	1.270
H4	0.943	-1.740
H5	-0.943	-1.740

	C1	C2	O3	H4	H5
C1		1.3194	2.4867	1.0788	1.0788
C2	1.3194		1.1673	2.0704	2.0704
O3	2.4867	1.1673		3.1547	3.1547
H4	1.0788	2.0704	3.1547		1.8863
H5	1.0788	2.0704	3.1547	1.8863

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.042
C2	C1	H5	119.042		H4	C1	H5	121.915

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD(T)/daug-cc-pVTZ

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)/daug-cc-pVTZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)