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	hartrees
Energy at 0K	-77.352187
Energy at 298.15K
HF Energy	-77.297292
Nuclear repulsion energy	28.409080

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3280	3280	2.22
2	A'	3191	3191	5.43
3	A'	3095	3095	2.99
4	A'	1688	1688	2.49
5	A'	1480	1480	7.33
6	A'	1124	1124	9.46
7	A'	772	772	22.69
8	A"	972	972	84.69
9	A"	870	870	17.47

Atom	x (Å)	y (Å)
C1	0.049	0.724
C2	0.049	-0.587
H3	-0.688	1.511
H4	-0.872	-1.172
H5	0.969	-1.164

	C1	C2	H3	H4	H5
C1		1.3105	1.0789	2.1078	2.1003
C2	1.3105		2.2238	1.0917	1.0863
H3	1.0789	2.2238		2.6895	3.1474
H4	2.1078	1.0917	2.6895		1.8415
H5	2.1003	1.0863	3.1474	1.8415

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	H4	122.418		C1	C2	H5	122.126
C2	C1	H3	136.877		H4	C2	H5	115.457

All results from a given calculation for C₂H₃ (vinyl)

using model chemistry: B2PLYP=FULLultrafine/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: B2PLYP=FULLultrafine/3-21G

States and conformations

All results from a given calculation for C₂H₃ (vinyl)