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	hartrees
Energy at 0K	-13.424434
Energy at 298.15K	-13.427496
HF Energy	-13.232185
Nuclear repulsion energy	18.891931

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3106	3106	0.00
2	A_g	1641	1641	0.00
3	A_g	1340	1340	0.00
4	A_u	979	979	0.00
5	B_1u	3079	3079	42.25
6	B_1u	1469	1469	6.84
7	B_2g	762	762	0.00
8	B_2u	3201	3201	104.45
9	B_2u	801	801	1.28
10	B_3g	3157	3157	0.00
11	B_3g	1196	1196	0.00
12	B_3u	909	909	138.09

Atom	y (Å)	z (Å)
C1	0.000	0.698
C2	0.000	-0.698
H3	0.944	1.276
H4	-0.944	1.276
H5	-0.944	-1.276
H6	0.944	-1.276

	C1	C2	H3	H4	H5	H6
C1		1.3964	1.1067	1.1067	2.1885	2.1885
C2	1.3964		2.1885	2.1885	1.1067	1.1067
H3	1.1067	2.1885		1.8872	3.1746	2.5528
H4	1.1067	2.1885	1.8872		2.5528	3.1746
H5	2.1885	1.1067	3.1746	2.5528		1.8872
H6	2.1885	1.1067	2.5528	3.1746	1.8872

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.499	C1	C2	H6	121.499
C2	C1	H3	121.499	C2	C1	H4	121.499
H3	C1	H4	117.001	H5	C2	H6	117.001

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/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: CCSD=FULL/CEP-31G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)