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	hartrees
Energy at 0K	-77.642189
Energy at 298.15K	-77.643713
HF Energy	-77.391117
Nuclear repulsion energy	28.345013

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3338	3338
2	A'	3296	3296
3	A'	3185	3185
4	A'	1665	1665
5	A'	1434	1434
6	A'	1104	1104
7	A'	757	757
8	A"	936	936
9	A"	814	814

Atom	x (Å)	y (Å)
C1	0.051	0.727
C2	0.051	-0.592
H3	-0.698	1.503
H4	-0.879	-1.156
H5	0.971	-1.161

	C1	C2	H3	H4	H5
C1		1.3191	1.0780	2.1001	2.1009
C2	1.3191		2.2247	1.0872	1.0822
H3	1.0780	2.2247		2.6654	3.1439
H4	2.1001	1.0872	2.6654		1.8495
H5	2.1009	1.0822	3.1439	1.8495

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.261		C1	C2	H5	121.756
C2	C1	H3	136.038		H4	C2	H5	116.983

All results from a given calculation for C₂H₃ (vinyl)

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

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	-0.179
2	C	-0.291
3	H	0.164
4	H	0.149
5	H	0.158

<r²>	20.627
(<r²>)^1/2	4.542

All results from a given calculation for C2H3 (vinyl)

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

States and conformations

All results from a given calculation for C₂H₃ (vinyl)