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	hartrees
Energy at 0K	-152.365329
Energy at 298.15K	-152.366341
HF Energy	-151.782209
Nuclear repulsion energy	58.120602

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3199	3101
2	A₁	2153	2087
3	A₁	1409	1365
4	A₁	1128	1094
5	B₁	577	560
6	B₁	498	483
7	B₂	3304	3202
8	B₂	984	954
9	B₂	427	414

Atom	y (Å)	z (Å)
C1	0.000	-1.220
C2	0.000	0.101
O3	0.000	1.276
H4	0.942	-1.745
H5	-0.942	-1.745

	C1	C2	O3	H4	H5
C1		1.3208	2.4962	1.0781	1.0781
C2	1.3208		1.1754	2.0719	2.0719
O3	2.4962	1.1754		3.1642	3.1642
H4	1.0781	2.0719	3.1642		1.8837
H5	1.0781	2.0719	3.1642	1.8837

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.117
C2	C1	H5	119.117		H4	C1	H5	121.766

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: MP4/cc-pVTZ

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/cc-pVTZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)