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	hartrees
Energy at 0K	-152.395659
Energy at 298.15K	-152.396769
HF Energy	-151.784475
Nuclear repulsion energy	58.944935

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3246	3246	30.01
2	A₁	2290	2290	771.60
3	A₁	1441	1441	14.40
4	A₁	1191	1191	4.59
5	B₁	610	610	41.83
6	B₁	558	558	74.28
7	B₂	3356	3356	8.27
8	B₂	1011	1011	3.25
9	B₂	455	455	3.47

Atom	y (Å)	z (Å)
C1	0.000	-1.204
C2	0.000	0.106
O3	0.000	1.256
H4	0.938	-1.727
H5	-0.938	-1.727

	C1	C2	O3	H4	H5
C1		1.3101	2.4599	1.0740	1.0740
C2	1.3101		1.1498	2.0588	2.0588
O3	2.4599	1.1498		3.1264	3.1264
H4	1.0740	2.0588	3.1264		1.8769
H5	1.0740	2.0588	3.1264	1.8769

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.100
C2	C1	H5	119.100		H4	C1	H5	121.800

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP3=FULL/6-311+G(3df,2p)

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: MP3=FULL/6-311+G(3df,2p)

States and conformations

All results from a given calculation for CH₂CO (Ketene)