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	hartrees
Energy at 0K	-77.740729
Energy at 298.15K	-77.742252
HF Energy	-77.422632
Nuclear repulsion energy	28.435704

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3270	3270	0.55
2	A'	3201	3201	2.93
3	A'	3098	3098	3.31
4	A'	1660	1660	1.83
5	A'	1417	1417	6.70
6	A'	1081	1081	7.51
7	A'	734	734	17.94
8	A"	943	943	73.93
9	A"	840	840	10.38

Atom	x (Å)	y (Å)
C1	0.050	0.723
C2	0.050	-0.588
H3	-0.685	1.511
H4	-0.880	-1.155
H5	0.968	-1.163

	C1	C2	H3	H4	H5
C1		1.3109	1.0776	2.0952	2.0975
C2	1.3109		2.2240	1.0887	1.0832
H3	1.0776	2.2240		2.6731	3.1438
H4	2.0952	1.0887	2.6731		1.8474
H5	2.0975	1.0832	3.1438	1.8474

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.380		C1	C2	H5	122.069
C2	C1	H3	137.006		H4	C2	H5	116.551

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: QCISD/Def2TZVPP

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: QCISD/Def2TZVPP

States and conformations

All results from a given calculation for C₂H₃ (vinyl)