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	hartrees
Energy at 0K	-152.369102
Energy at 298.15K	-152.370138
HF Energy	-151.785405
Nuclear repulsion energy	58.331749

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3192	3096
2	A₁	2183	2117
3	A₁	1411	1368
4	A₁	1149	1115
5	B₁	587	570
6	B₁	507	491
7	B₂	3297	3198
8	B₂	989	959
9	B₂	434	421

Atom	y (Å)	z (Å)
C1	0.000	-1.216
C2	0.000	0.103
O3	0.000	1.270
H4	0.943	-1.740
H5	-0.943	-1.740

	C1	C2	O3	H4	H5
C1		1.3193	2.4867	1.0787	1.0787
C2	1.3193		1.1674	2.0702	2.0702
O3	2.4867	1.1674		3.1546	3.1546
H4	1.0787	2.0702	3.1546		1.8860
H5	1.0787	2.0702	3.1546	1.8860

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.046
C2	C1	H5	119.046		H4	C1	H5	121.907

All results from a given calculation for CH₂CO (Ketene)

using model chemistry: CCSD(T)/aug-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: CCSD(T)/aug-cc-pVTZ

States and conformations

All results from a given calculation for CH₂CO (Ketene)