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	hartrees
Energy at 0K	-151.212776
Energy at 298.15K	-151.213931
HF Energy	-150.870628
Nuclear repulsion energy	57.190115

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3182	3114
2	A₁	2090	2046
3	A₁	1478	1447
4	A₁	1108	1084
5	B₁	692	677
6	B₁	548	537
7	B₂	3269	3199
8	B₂	1066	1043
9	B₂	470	460

Atom	y (Å)	z (Å)
C1	0.000	-1.233
C2	0.000	0.092
O3	0.000	1.302
H4	0.936	-1.783
H5	-0.936	-1.783

	C1	C2	O3	H4	H5
C1		1.3250	2.5346	1.0852	1.0852
C2	1.3250		1.2096	2.0953	2.0953
O3	2.5346	1.2096		3.2232	3.2232
H4	1.0852	2.0953	3.2232		1.8712
H5	1.0852	2.0953	3.2232	1.8712

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	120.443
C2	C1	H5	120.443		H4	C1	H5	119.114

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP4=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: MP4=FULL/3-21G

States and conformations

All results from a given calculation for CH₂CO (Ketene)