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	hartrees
Energy at 0K	-77.142672
Energy at 298.15K	-77.144225
HF Energy	-76.962165
Nuclear repulsion energy	28.141330

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3219	3120	2.85
2	A'	3147	3051	7.95
3	A'	3055	2961	4.44
4	A'	1614	1564	2.36
5	A'	1461	1416	4.57
6	A'	1132	1097	7.56
7	A'	790	766	16.65
8	A"	947	918	74.30
9	A"	849	823	8.01

Atom	x (Å)	y (Å)
C1	0.051	0.734
C2	0.051	-0.593
H3	-0.712	1.507
H4	-0.875	-1.180
H5	0.976	-1.173

	C1	C2	H3	H4	H5
C1		1.3276	1.0854	2.1264	2.1199
C2	1.3276		2.2342	1.0963	1.0915
H3	1.0854	2.2342		2.6915	3.1669
H4	2.1264	1.0963	2.6915		1.8508
H5	2.1199	1.0915	3.1669	1.8508

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.342		C1	C2	H5	122.103
C2	C1	H3	135.372		H4	C2	H5	115.555

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: QCISD/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: QCISD/3-21G

States and conformations

All results from a given calculation for C₂H₃ (vinyl)