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	hartrees
Energy at 0K	-77.109872
Energy at 298.15K	-77.111500
HF Energy	-76.961485
Nuclear repulsion energy	28.603730

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3298	3126	1.94
2	A'	3228	3060	5.39
3	A'	3139	2976	1.59
4	A'	1748	1657	2.83
5	A'	1514	1436	7.14
6	A'	1164	1104	10.29
7	A'	813	770	19.35
8	A"	1084	1027	83.29
9	A"	1012	959	25.80

Atom	x (Å)	y (Å)
C1	0.050	0.717
C2	0.050	-0.579
H3	-0.699	1.495
H4	-0.870	-1.165
H5	0.970	-1.157

	C1	C2	H3	H4	H5
C1		1.2960	1.0800	2.0950	2.0875
C2	1.2960		2.2052	1.0909	1.0864
H3	1.0800	2.2052		2.6659	3.1334
H4	2.0950	1.0909	2.6659		1.8400
H5	2.0875	1.0864	3.1334	1.8400

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.505		C1	C2	H5	122.131
C2	C1	H3	136.098		H4	C2	H5	115.364

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: MP2=FULL/3-21G*

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 C2H3 (vinyl)

using model chemistry: MP2=FULL/3-21G*

States and conformations

All results from a given calculation for C₂H₃ (vinyl)