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	hartrees
Energy at 0K	-152.253605
Energy at 298.15K	-152.254668
HF Energy	-151.742299
Nuclear repulsion energy	58.424075

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	3264	3082	35.46	88.48	0.11	0.20
2	A₁	2250	2126	418.94	3.21	0.40	0.57
3	A₁	1419	1340	16.66	2.79	0.52	0.69
4	A₁	1167	1103	2.78	31.38	0.27	0.42
5	B₁	599	566	5.38	1.13	0.75	0.86
6	B₁	527	498	120.29	1.95	0.75	0.86
7	B₂	3376	3189	14.51	49.41	0.75	0.86
8	B₂	999	943	5.38	0.07	0.75	0.86
9	B₂	445	420	2.22	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.213
C2	0.000	0.101
O3	0.000	1.269
H4	0.941	-1.738
H5	-0.941	-1.738

	C1	C2	O3	H4	H5
C1		1.3134	2.4816	1.0771	1.0771
C2	1.3134		1.1682	2.0648	2.0648
O3	2.4816	1.1682		3.1500	3.1500
H4	1.0771	2.0648	3.1500		1.8813
H5	1.0771	2.0648	3.1500	1.8813

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.151
C2	C1	H5	119.151		H4	C1	H5	121.698

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP2/6-31G(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: MP2/6-31G(2df,p)

States and conformations

All results from a given calculation for CH₂CO (Ketene)