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	hartrees
Energy at 0K	-152.266581
Energy at 298.15K	-152.267697
HF Energy	-151.743110
Nuclear repulsion energy	58.603569

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3250	3072	27.48
2	A₁	2265	2141	548.56
3	A₁	1442	1364	12.47
4	A₁	1184	1119	6.42
5	B₁	618	584	44.57
6	B₁	567	536	76.16
7	B₂	3357	3174	7.99
8	B₂	1018	962	4.72
9	B₂	455	431	3.68

Atom	y (Å)	z (Å)
C1	0.000	-1.209
C2	0.000	0.103
O3	0.000	1.264
H4	0.940	-1.736
H5	-0.940	-1.736

	C1	C2	O3	H4	H5
C1		1.3118	2.4733	1.0776	1.0776
C2	1.3118		1.1615	2.0651	2.0651
O3	2.4733	1.1615		3.1440	3.1440
H4	1.0776	2.0651	3.1440		1.8802
H5	1.0776	2.0651	3.1440	1.8802

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.266
C2	C1	H5	119.266		H4	C1	H5	121.468

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)

States and conformations

All results from a given calculation for CH₂CO (Ketene)