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	hartrees
Energy at 0K	-152.403672
Energy at 298.15K	-152.404714
HF Energy	-151.795204
Nuclear repulsion energy	58.506551

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3200	3103
2	A₁	2197	2131
3	A₁	1413	1371
4	A₁	1153	1118
5	B₁	587	569
6	B₁	519	504
7	B₂	3308	3208
8	B₂	989	959
9	B₂	434	421

Atom	y (Å)	z (Å)
C1	0.000	-1.213
C2	0.000	0.103
O3	0.000	1.266
H4	0.941	-1.736
H5	-0.941	-1.736

	C1	C2	O3	H4	H5
C1		1.3158	2.4789	1.0769	1.0769
C2	1.3158		1.1631	2.0657	2.0657
O3	2.4789	1.1631		3.1460	3.1460
H4	1.0769	2.0657	3.1460		1.8829
H5	1.0769	2.0657	3.1460	1.8829

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.048
C2	C1	H5	119.048		H4	C1	H5	121.904

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD(T)/cc-pVQZ

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: CCSD(T)/cc-pVQZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)