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	hartrees
Energy at 0K	-77.864506
Energy at 298.15K
HF Energy	-77.754705
Nuclear repulsion energy	28.541606

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3270	3270	0.65
2	A'	3179	3179	1.88
3	A'	3078	3078	2.82
4	A'	1668	1668	2.49
5	A'	1406	1406	8.54
6	A'	1061	1061	7.80
7	A'	719	719	20.18
8	A"	938	938	73.29
9	A"	832	832	18.23

Atom	x (Å)	y (Å)
C1	0.049	0.718
C2	0.049	-0.585
H3	-0.667	1.521
H4	-0.879	-1.154
H5	0.964	-1.163

	C1	C2	H3	H4	H5
C1		1.3026	1.0761	2.0893	2.0917
C2	1.3026		2.2243	1.0887	1.0830
H3	1.0761	2.2243		2.6837	3.1411
H4	2.0893	1.0887	2.6837		1.8439
H5	2.0917	1.0830	3.1411	1.8439

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.532		C1	C2	H5	122.255
C2	C1	H3	138.296		H4	C2	H5	116.213

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: B2PLYP=FULLultrafine/6-311+G(3df,2p)

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: B2PLYP=FULLultrafine/6-311+G(3df,2p)

States and conformations

All results from a given calculation for C₂H₃ (vinyl)