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	hartrees
Energy at 0K	-77.137442
Energy at 298.15K	-77.139054
HF Energy	-76.961500
Nuclear repulsion energy	28.493842

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3240	3172
2	A'	3166	3098
3	A'	3079	3013
4	A'	1743	1706
5	A'	1494	1463
6	A'	1143	1118
7	A'	796	779
8	A"	1057	1035
9	A"	983	962

Atom	x (Å)	y (Å)
C1	0.050	0.720
C2	0.050	-0.581
H3	-0.700	1.503
H4	-0.873	-1.171
H5	0.972	-1.164

	C1	C2	H3	H4	H5
C1		1.3006	1.0844	2.1037	2.0969
C2	1.3006		2.2146	1.0956	1.0909
H3	1.0844	2.2146		2.6789	3.1474
H4	2.1037	1.0956	2.6789		1.8457
H5	2.0969	1.0909	3.1474	1.8457

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.560		C1	C2	H5	122.283
C2	C1	H3	136.234		H4	C2	H5	115.157

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: MP4=FULL/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: MP4=FULL/3-21G

States and conformations

All results from a given calculation for C₂H₃ (vinyl)