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	hartrees
Energy at 0K	-152.375012
Energy at 298.15K	-152.376117
HF Energy	-151.796167
Nuclear repulsion energy	58.765735

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3223	3063	27.10
2	A₁	2237	2127	679.31
3	A₁	1439	1368	13.95
4	A₁	1178	1120	4.39
5	B₁	613	583	66.60
6	B₁	556	528	52.17
7	B₂	3330	3165	7.60
8	B₂	1010	960	3.35
9	B₂	450	428	3.67

Atom	y (Å)	z (Å)
C1	0.000	-1.207
C2	0.000	0.104
O3	0.000	1.260
H4	0.940	-1.729
H5	-0.940	-1.729

	C1	C2	O3	H4	H5
C1		1.3113	2.4674	1.0751	1.0751
C2	1.3113		1.1561	2.0601	2.0601
O3	2.4674	1.1561		3.1336	3.1336
H4	1.0751	2.0601	3.1336		1.8799
H5	1.0751	2.0601	3.1336	1.8799

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.039
C2	C1	H5	119.039		H4	C1	H5	121.921

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD/cc-pVQZ

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/cc-pVQZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)