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	hartrees
Energy at 0K	-13.424538
Energy at 298.15K	-13.427599
HF Energy	-13.232152
Nuclear repulsion energy	18.889780

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3106	2962	0.00
2	A_g	1639	1563	0.00
3	A_g	1339	1277	0.00
4	A_u	979	933	0.00
5	B_1u	3078	2935	40.02
6	B_1u	1468	1400	6.83
7	B_2g	761	726	0.00
8	B_2u	3200	3052	105.61
9	B_2u	801	764	1.27
10	B_3g	3156	3010	0.00
11	B_3g	1196	1140	0.00
12	B_3u	909	867	137.95

Atom	y (Å)	z (Å)
C1	0.000	0.698
C2	0.000	-0.698
H3	0.944	1.277
H4	-0.944	1.277
H5	-0.944	-1.277
H6	0.944	-1.277

	C1	C2	H3	H4	H5	H6
C1		1.3967	1.1067	1.1067	2.1888	2.1888
C2	1.3967		2.1888	2.1888	1.1067	1.1067
H3	1.1067	2.1888		1.8872	3.1749	2.5531
H4	1.1067	2.1888	1.8872		2.5531	3.1749
H5	2.1888	1.1067	3.1749	2.5531		1.8872
H6	2.1888	1.1067	2.5531	3.1749	1.8872

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.498	C1	C2	H6	121.498
C2	C1	H3	121.498	C2	C1	H4	121.498
H3	C1	H4	117.005	H5	C2	H6	117.005

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD/CEP-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/CEP-31G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)