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	hartrees
Energy at 0K	-77.142672
Energy at 298.15K	-77.144222
HF Energy	-76.962165
Nuclear repulsion energy	28.145018

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3221	3095	2.80
2	A'	3148	3025	8.02
3	A'	3056	2937	4.47
4	A'	1615	1552	2.35
5	A'	1461	1405	4.58
6	A'	1131	1087	7.63
7	A'	788	758	16.75
8	A"	947	910	74.18
9	A"	848	815	8.13

Atom	x (Å)	y (Å)
C1	0.051	0.734
C2	0.051	-0.593
H3	-0.710	1.508
H4	-0.874	-1.182
H5	0.976	-1.172

	C1	C2	H3	H4	H5
C1		1.3273	1.0853	2.1275	2.1191
C2	1.3273		2.2348	1.0962	1.0914
H3	1.0853	2.2348		2.6952	3.1666
H4	2.1275	1.0962	2.6952		1.8496
H5	2.1191	1.0914	3.1666	1.8496

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.489		C1	C2	H5	122.058
C2	C1	H3	135.500		H4	C2	H5	115.453

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: QCISD/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: QCISD/3-21G*

States and conformations

All results from a given calculation for C₂H₃ (vinyl)