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	hartrees
Energy at 0K	-78.244029
Energy at 298.15K	-78.247110
HF Energy	-78.008531
Nuclear repulsion energy	32.628295

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3098	3098
2	A_g	1624	1624
3	A_g	1347	1347
4	A_u	994	994
5	B_1u	3070	3070
6	B_1u	1486	1486
7	B_2g	780	780
8	B_2u	3200	3200
9	B_2u	810	810
10	B_3g	3166	3166
11	B_3g	1241	1241
12	B_3u	923	923

Atom	y (Å)	z (Å)
C1	0.000	0.686
C2	0.000	-0.686
H3	0.935	1.264
H4	-0.935	1.264
H5	-0.935	-1.264
H6	0.935	-1.264

	C1	C2	H3	H4	H5	H6
C1		1.3728	1.0989	1.0989	2.1630	2.1630
C2	1.3728		2.1630	2.1630	1.0989	1.0989
H3	1.0989	2.1630		1.8695	3.1444	2.5283
H4	1.0989	2.1630	1.8695		2.5283	3.1444
H5	2.1630	1.0989	3.1444	2.5283		1.8695
H6	2.1630	1.0989	2.5283	3.1444	1.8695

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.719	C1	C2	H6	121.719
C2	C1	H3	121.719	C2	C1	H4	121.719
H3	C1	H4	116.562	H5	C2	H6	116.562

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD(T)=FULL/SDD

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(T)=FULL/SDD

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)