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	hartrees
Energy at 0K	-152.306493
Energy at 298.15K	-152.307540
HF Energy	-151.778711
Nuclear repulsion energy	58.634388

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3236	3067	23.34
2	A₁	2243	2125	663.57
3	A₁	1452	1376	14.24
4	A₁	1183	1120	5.49
5	B₁	583	552	45.58
6	B₁	501	475	95.96
7	B₂	3343	3167	5.44
8	B₂	1013	960	5.21
9	B₂	447	423	4.02

Atom	y (Å)	z (Å)
C1	0.000	-1.209
C2	0.000	0.103
O3	0.000	1.263
H4	0.939	-1.736
H5	-0.939	-1.736

	C1	C2	O3	H4	H5
C1		1.3122	2.4725	1.0763	1.0763
C2	1.3122		1.1602	2.0647	2.0647
O3	2.4725	1.1602		3.1428	3.1428
H4	1.0763	2.0647	3.1428		1.8771
H5	1.0763	2.0647	3.1428	1.8771

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.307
C2	C1	H5	119.307		H4	C1	H5	121.386

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD=FULL/TZVP

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=FULL/TZVP

States and conformations

All results from a given calculation for CH₂CO (Ketene)