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	hartrees
Energy at 0K	-28.230111
Energy at 298.15K	-28.231036
HF Energy	-27.798498
Nuclear repulsion energy	30.326442

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	3222	3070	25.86	104.53	0.16	0.27
2	A₁	2161	2059	490.69	3.57	0.69	0.82
3	A₁	1422	1355	19.32	2.88	0.52	0.69
4	A₁	1134	1080	2.03	37.30	0.24	0.39
5	B₁	562	535	27.66	0.29	0.75	0.86
6	B₁	416	396	146.22	4.83	0.75	0.86
7	B₂	3340	3183	7.14	51.33	0.75	0.86
8	B₂	1005	958	6.34	0.15	0.75	0.86
9	B₂	425	405	1.69	0.01	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.231
C2	0.000	0.101
O3	0.000	1.287
H4	0.945	-1.758
H5	-0.945	-1.758

	C1	C2	O3	H4	H5
C1		1.3319	2.5178	1.0818	1.0818
C2	1.3319		1.1859	2.0850	2.0850
O3	2.5178	1.1859		3.1877	3.1877
H4	1.0818	2.0850	3.1877		1.8899
H5	1.0818	2.0850	3.1877	1.8899

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.131
C2	C1	H5	119.131		H4	C1	H5	121.739

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP2/CEP-121G*

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: MP2/CEP-121G*

States and conformations

All results from a given calculation for CH₂CO (Ketene)