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	hartrees
Energy at 0K	-77.813851
Energy at 298.15K	-77.817030
Nuclear repulsion energy	33.051273

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3118	3089
2	A_g	1665	1649
3	A_g	1398	1385
4	A_u	1042	1032
5	B_1u	3099	3069
6	B_1u	1542	1528
7	B_2g	942	933
8	B_2u	3196	3166
9	B_2u	876	868
10	B_3g	3167	3138
11	B_3g	1280	1268
12	B_3u	967	958

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
H3	0.926	1.252
H4	-0.926	1.252
H5	-0.926	-1.252
H6	0.926	-1.252

	C1	C2	H3	H4	H5	H6
C1		1.3477	1.0912	1.0912	2.1365	2.1365
C2	1.3477		2.1365	2.1365	1.0912	1.0912
H3	1.0912	2.1365		1.8515	3.1136	2.5033
H4	1.0912	2.1365	1.8515		2.5033	3.1136
H5	2.1365	1.0912	3.1136	2.5033		1.8515
H6	2.1365	1.0912	2.5033	3.1136	1.8515

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.969	C1	C2	H6	121.969
C2	C1	H3	121.969	C2	C1	H4	121.969
H3	C1	H4	116.062	H5	C2	H6	116.062

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD(T)/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 C2H4 (Ethylene)

using model chemistry: CCSD(T)/3-21G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)