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	hartrees
Energy at 0K	-77.106780
Energy at 298.15K	-77.108408
HF Energy	-76.961505
Nuclear repulsion energy	28.592851

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3294	3134	1.96
2	A'	3225	3068	5.48
3	A'	3138	2985	1.57
4	A'	1744	1659	2.84
5	A'	1514	1440	7.09
6	A'	1165	1109	10.25
7	A'	814	775	19.22
8	A"	1084	1031	83.86
9	A"	1012	963	25.00

Atom	x (Å)	y (Å)
C1	0.050	0.717
C2	0.050	-0.579
H3	-0.700	1.495
H4	-0.871	-1.164
H5	0.970	-1.159

	C1	C2	H3	H4	H5
C1		1.2966	1.0804	2.0950	2.0892
C2	1.2966		2.2056	1.0910	1.0869
H3	1.0804	2.2056		2.6647	3.1351
H4	2.0950	1.0910	2.6647		1.8404
H5	2.0892	1.0869	3.1351	1.8404

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.435		C1	C2	H5	122.210
C2	C1	H3	136.025		H4	C2	H5	115.355

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: MP2/3-21G*

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: MP2/3-21G*

States and conformations

All results from a given calculation for C₂H₃ (vinyl)