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	hartrees
Energy at 0K	-78.390987
Energy at 298.15K	-78.394129
HF Energy	-78.046158
Nuclear repulsion energy	33.158716

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3141	3141
2	A_g	1672	1672
3	A_g	1369	1369
4	A_u	1036	1036
5	B_1u	3123	3123
6	B_1u	1480	1480
7	B_2g	891	891
8	B_2u	3230	3230
9	B_2u	833	833
10	B_3g	3204	3204
11	B_3g	1242	1242
12	B_3u	945	945

Atom	y (Å)	z (Å)
C1	0.000	0.671
C2	0.000	-0.671
H3	0.927	1.243
H4	-0.927	1.243
H5	-0.927	-1.243
H6	0.927	-1.243

	C1	C2	H3	H4	H5	H6
C1		1.3426	1.0891	1.0891	2.1271	2.1271
C2	1.3426		2.1271	2.1271	1.0891	1.0891
H3	1.0891	2.1271		1.8535	3.1013	2.4865
H4	1.0891	2.1271	1.8535		2.4865	3.1013
H5	2.1271	1.0891	3.1013	2.4865		1.8535
H6	2.1271	1.0891	2.4865	3.1013	1.8535

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.682	C1	C2	H6	121.682
C2	C1	H3	121.682	C2	C1	H4	121.682
H3	C1	H4	116.636	H5	C2	H6	116.636

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD(T)=FULL/6-311G*

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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: CCSD(T)=FULL/6-311G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)