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	hartrees
Energy at 0K	-77.679969
Energy at 298.15K	-77.681557
HF Energy	-77.398234
Nuclear repulsion energy	28.877022

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3364	3161	2.28
2	A'	3284	3087	1.03
3	A'	3180	2989	0.74
4	A'	1913	1798	3.65
5	A'	1436	1350	9.51
6	A'	1088	1023	11.27
7	A'	734	690	21.89
8	A"	1069	1005	71.30
9	A"	1007	946	12.81

Atom	x (Å)	y (Å)
C1	0.049	0.705
C2	0.049	-0.574
H3	-0.670	1.504
H4	-0.878	-1.141
H5	0.962	-1.154

	C1	C2	H3	H4	H5
C1		1.2788	1.0750	2.0658	2.0712
C2	1.2788		2.1987	1.0870	1.0819
H3	1.0750	2.1987		2.6531	3.1192
H4	2.0658	1.0870	2.6531		1.8405
H5	2.0712	1.0819	3.1192	1.8405

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.454		C1	C2	H5	122.429
C2	C1	H3	138.002		H4	C2	H5	116.117

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: MP2=FULL/6-31G(2df,p)

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: MP2=FULL/6-31G(2df,p)

States and conformations

All results from a given calculation for C₂H₃ (vinyl)