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	hartrees
Energy at 0K	-78.313352
Energy at 298.15K	-78.316515
HF Energy	-78.030671
Nuclear repulsion energy	33.222440

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3188	3036	0.00
2	A_g	1717	1635	0.00
3	A_g	1402	1335	0.00
4	A_u	1057	1007	0.00
5	B_1u	3169	3018	16.76
6	B_1u	1510	1438	4.97
7	B_2g	935	891	0.00
8	B_2u	3269	3113	32.56
9	B_2u	846	806	0.54
10	B_3g	3246	3091	0.00
11	B_3g	1259	1199	0.00
12	B_3u	977	931	87.24

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
H3	0.925	1.243
H4	-0.925	1.243
H5	-0.925	-1.243
H6	0.925	-1.243

	C1	C2	H3	H4	H5	H6
C1		1.3383	1.0884	1.0884	2.1241	2.1241
C2	1.3383		2.1241	2.1241	1.0884	1.0884
H3	1.0884	2.1241		1.8496	3.0986	2.4860
H4	1.0884	2.1241	1.8496		2.4860	3.0986
H5	2.1241	1.0884	3.0986	2.4860		1.8496
H6	2.1241	1.0884	2.4860	3.0986	1.8496

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.820	C1	C2	H6	121.820
C2	C1	H3	121.820	C2	C1	H4	121.820
H3	C1	H4	116.359	H5	C2	H6	116.359

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD/6-31G*

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 C2H4 (Ethylene)

using model chemistry: QCISD/6-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)