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	hartrees
Energy at 0K	-152.211025
Energy at 298.15K	-152.212024
HF Energy	-151.737127
Nuclear repulsion energy	57.736160

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3207	3056
2	A₁	2189	2087
3	A₁	1407	1341
4	A₁	1145	1092
5	B₁	576	549
6	B₁	477	454
7	B₂	3322	3167
8	B₂	987	941
9	B₂	433	412

Atom	y (Å)	z (Å)
C1	0.000	-1.229
C2	0.000	0.105
O3	0.000	1.283
H4	0.955	-1.760
H5	-0.955	-1.760

	C1	C2	O3	H4	H5
C1		1.3346	2.5119	1.0924	1.0924
C2	1.3346		1.1773	2.0958	2.0958
O3	2.5119	1.1773		3.1893	3.1893
H4	1.0924	2.0958	3.1893		1.9092
H5	1.0924	2.0958	3.1893	1.9092

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.095
C2	C1	H5	119.095		H4	C1	H5	121.809

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: QCISD(T)/cc-pVDZ

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: QCISD(T)/cc-pVDZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)