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	hartrees
Energy at 0K	-77.635718
Energy at 298.15K	-77.637252
HF Energy	-77.386554
Nuclear repulsion energy	28.383886

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3343	3343
2	A'	3303	3303
3	A'	3195	3195
4	A'	1680	1680
5	A'	1442	1442
6	A'	1115	1115
7	A'	763	763
8	A"	945	945
9	A"	831	831

Atom	x (Å)	y (Å)
C1	0.051	0.726
C2	0.051	-0.590
H3	-0.702	1.498
H4	-0.876	-1.157
H5	0.970	-1.160

	C1	C2	H3	H4	H5
C1		1.3165	1.0776	2.0991	2.0986
C2	1.3165		2.2196	1.0863	1.0819
H3	1.0776	2.2196		2.6610	3.1402
H4	2.0991	1.0863	2.6610		1.8461
H5	2.0986	1.0819	3.1402	1.8461

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.465		C1	C2	H5	121.790
C2	C1	H3	135.737		H4	C2	H5	116.745

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: ROMP2/6-31G**

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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Number	Element	Mulliken
1	C	-0.133
2	C	-0.301
3	H	0.153
4	H	0.137
5	H	0.144

<r²>	20.299
(<r²>)^1/2	4.505

All results from a given calculation for C2H3 (vinyl)

using model chemistry: ROMP2/6-31G**

States and conformations

All results from a given calculation for C₂H₃ (vinyl)