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	hartrees
Energy at 0K	-152.407628
Energy at 298.15K	-152.408673
HF Energy	-151.795611
Nuclear repulsion energy	58.483398

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3196	3073
2	A₁	2192	2107
3	A₁	1413	1359
4	A₁	1154	1109
5	B₁	588	566
6	B₁	518	498
7	B₂	3304	3177
8	B₂	991	953
9	B₂	436	419

Atom	y (Å)	z (Å)
C1	0.000	-1.213
C2	0.000	0.103
O3	0.000	1.267
H4	0.942	-1.736
H5	-0.942	-1.736

	C1	C2	O3	H4	H5
C1		1.3162	2.4798	1.0775	1.0775
C2	1.3162		1.1637	2.0664	2.0664
O3	2.4798	1.1637		3.1472	3.1472
H4	1.0775	2.0664	3.1472		1.8841
H5	1.0775	2.0664	3.1472	1.8841

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O3	180.000		C2	C1	H4	119.040
C2	C1	H5	119.040		H4	C1	H5	121.920

All results from a given calculation for CH₂CO (Ketene)

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

States and conformations

All results from a given calculation for CH₂CO (Ketene)