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	hartrees
Energy at 0K	-151.185807
Energy at 298.15K	-151.186995
HF Energy	-150.873006
Nuclear repulsion energy	57.574693

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	3237	3068	23.50	82.59	0.12	0.21
2	A₁	2161	2049	280.72	1.13	0.56	0.72
3	A₁	1499	1421	25.85	7.43	0.75	0.86
4	A₁	1154	1094	1.23	26.02	0.30	0.46
5	B₁	705	668	195.74	0.67	0.75	0.86
6	B₁	571	541	5.63	2.56	0.75	0.86
7	B₂	3327	3154	4.56	57.83	0.75	0.86
8	B₂	1085	1028	8.67	0.01	0.75	0.86
9	B₂	481	456	0.86	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.226
C2	0.000	0.094
O3	0.000	1.292
H4	0.933	-1.772
H5	-0.933	-1.772

	C1	C2	O3	H4	H5
C1		1.3201	2.5177	1.0811	1.0811
C2	1.3201		1.1975	2.0866	2.0866
O3	2.5177	1.1975		3.2029	3.2029
H4	1.0811	2.0866	3.2029		1.8657
H5	1.0811	2.0866	3.2029	1.8657

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	120.357
C2	C1	H5	120.357		H4	C1	H5	119.286

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*

States and conformations

All results from a given calculation for CH₂CO (Ketene)