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	hartrees
Energy at 0K	-77.816416
Energy at 298.15K	-77.817949
HF Energy	-77.425184
Nuclear repulsion energy	28.568817

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3288	3288	0.55
2	A'	3214	3214	2.32
3	A'	3113	3113	3.12
4	A'	1675	1675	1.92
5	A'	1419	1419	7.54
6	A'	1082	1082	7.43
7	A'	735	735	18.14
8	A"	954	954	67.95
9	A"	856	856	14.37

Atom	x (Å)	y (Å)
C1	0.049	0.718
C2	0.049	-0.585
H3	-0.679	1.508
H4	-0.877	-1.149
H5	0.964	-1.159

	C1	C2	H3	H4	H5
C1		1.3036	1.0737	2.0850	2.0883
C2	1.3036		2.2157	1.0850	1.0798
H3	1.0737	2.2157		2.6641	3.1319
H4	2.0850	1.0850	2.6641		1.8417
H5	2.0883	1.0798	3.1319	1.8417

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.324		C1	C2	H5	122.088
C2	C1	H3	137.300		H4	C2	H5	116.587

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: CCSD=FULL/cc-pVQZ

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/cc-pVQZ

States and conformations

All results from a given calculation for C₂H₃ (vinyl)