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	hartrees
Energy at 0K	-77.421289
Energy at 298.15K	-77.422872
HF Energy	-77.421289
Nuclear repulsion energy	28.442775

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3376	3054	0.62
2	A'	3321	3005	6.27
3	A'	3228	2920	6.64
4	A'	1618	1464	3.78
5	A'	1406	1272	3.85
6	A'	1176	1064	7.61
7	A'	814	736	12.74
8	A"	976	883	73.23
9	A"	900	814	11.24

Atom	x (Å)	y (Å)
C1	0.051	0.728
C2	0.051	-0.591
H3	-0.706	1.484
H4	-0.870	-1.153
H5	0.967	-1.153

	C1	C2	H3	H4	H5
C1		1.3186	1.0698	2.0938	2.0920
C2	1.3186		2.2084	1.0786	1.0749
H3	1.0698	2.2084		2.6416	3.1228
H4	2.0938	1.0786	2.6416		1.8368
H5	2.0920	1.0749	3.1228	1.8368

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	121.395		C1	C2	H5	121.533
C2	C1	H3	134.965		H4	C2	H5	117.072

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: HF/daug-cc-pVTZ

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	-1.298
2	C	-0.855
3	H	0.833
4	H	0.702
5	H	0.618

	x	y	z	Total
	-0.565	-0.275	0.000	0.629
CHELPG
AIM
ESP

	x	y	z
x	3.245	-0.133	0.000
y	-0.133	4.759	0.000
z	0.000	0.000	3.083

<r²>	20.449
(<r²>)^1/2	4.522

All results from a given calculation for C2H3 (vinyl)

using model chemistry: HF/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₃ (vinyl)