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	hartrees
Energy at 0K	-77.778498
Energy at 298.15K	-77.780017
HF Energy	-77.420937
Nuclear repulsion energy	28.541031

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3285	3124	0.42
2	A'	3202	3045	1.92
3	A'	3110	2958	3.65
4	A'	1673	1591	1.96
5	A'	1418	1349	6.94
6	A'	1075	1022	6.84
7	A'	714	679	17.70
8	A"	945	899	70.49
9	A"	842	801	11.33

Atom	x (Å)	y (Å)
C1	0.049	0.720
C2	0.049	-0.586
H3	-0.677	1.509
H4	-0.878	-1.150
H5	0.965	-1.158

	C1	C2	H3	H4	H5
C1		1.3061	1.0729	2.0870	2.0887
C2	1.3061		2.2180	1.0850	1.0791
H3	1.0729	2.2180		2.6669	3.1318
H4	2.0870	1.0850	2.6669		1.8427
H5	2.0887	1.0791	3.1318	1.8427

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.302		C1	C2	H5	121.959
C2	C1	H3	137.386		H4	C2	H5	116.739

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: CCSD=FULL/aug-cc-pVTZ

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: CCSD=FULL/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₃ (vinyl)