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	hartrees
Energy at 0K	-77.378615
Energy at 298.15K	-77.380162
HF Energy	-77.378615
Nuclear repulsion energy	28.413395

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3278	3157	1.87
2	A'	3185	3068	4.36
3	A'	3092	2978	2.29
4	A'	1675	1613	2.59
5	A'	1455	1402	9.57
6	A'	1104	1064	9.63
7	A'	753	726	25.56
8	A"	961	926	93.32
9	A"	868	837	20.86

Atom	x (Å)	y (Å)
C1	0.049	0.723
C2	0.049	-0.586
H3	-0.687	1.514
H4	-0.874	-1.172
H5	0.972	-1.163

	C1	C2	H3	H4	H5
C1		1.3083	1.0810	2.1079	2.0993
C2	1.3083		2.2253	1.0937	1.0888
H3	1.0810	2.2253		2.6933	3.1496
H4	2.1079	1.0937	2.6933		1.8465
H5	2.0993	1.0888	3.1496	1.8465

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.439		C1	C2	H5	121.996
C2	C1	H3	137.091		H4	C2	H5	115.564

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: HSEh1PBE/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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Number	Element	Mulliken
1	C	-0.179
2	C	-0.511
3	H	0.226
4	H	0.228
5	H	0.236

	x	y	z	Total
	-0.638	-0.276	0.000	0.695
CHELPG
AIM
ESP

	x	y	z
x	2.228	-0.249	0.000
y	-0.249	4.189	0.000
z	0.000	0.000	0.964

<r²>	20.250
(<r²>)^1/2	4.500

All results from a given calculation for C2H3 (vinyl)

using model chemistry: HSEh1PBE/3-21G

States and conformations

All results from a given calculation for C₂H₃ (vinyl)