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	hartrees
Energy at 0K	-77.126949
Energy at 298.15K	-77.128540
HF Energy	-76.962200
Nuclear repulsion energy	28.371659

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3272	3058	2.18
2	A'	3198	2989	7.67
3	A'	3111	2907	3.86
4	A'	1674	1564	2.22
5	A'	1491	1394	5.64
6	A'	1152	1076	8.59
7	A'	803	750	17.44
8	A"	1009	943	78.47
9	A"	926	866	13.17

Atom	x (Å)	y (Å)
C1	0.050	0.726
C2	0.050	-0.587
H3	-0.704	1.501
H4	-0.871	-1.173
H5	0.972	-1.164

	C1	C2	H3	H4	H5
C1		1.3127	1.0814	2.1107	2.1029
C2	1.3127		2.2197	1.0921	1.0877
H3	1.0814	2.2197		2.6790	3.1483
H4	2.1107	1.0921	2.6790		1.8432
H5	2.1029	1.0877	3.1483	1.8432

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.465		C1	C2	H5	122.067
C2	C1	H3	135.765		H4	C2	H5	115.468

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: CISD/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: CISD/3-21G*

States and conformations

All results from a given calculation for C₂H₃ (vinyl)