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	hartrees
Energy at 0K	-13.631670
Energy at 298.15K	-13.634802
HF Energy	-13.631670
Nuclear repulsion energy	19.215986

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3203	3203	0.00
2	A_g	1734	1734	0.00
3	A_g	1361	1361	0.00
4	A_u	1038	1038	0.00
5	B_1u	3182	3182	17.39
6	B_1u	1444	1444	9.47
7	B_2g	963	963	0.00
8	B_2u	3291	3291	42.67
9	B_2u	787	787	1.54
10	B_3g	3249	3249	0.00
11	B_3g	1162	1162	0.00
12	B_3u	970	970	151.13

Atom	y (Å)	z (Å)
C1	0.000	0.682
C2	0.000	-0.682
H3	0.935	1.251
H4	-0.935	1.251
H5	-0.935	-1.251
H6	0.935	-1.251

	C1	C2	H3	H4	H5	H6
C1		1.3636	1.0946	1.0946	2.1469	2.1469
C2	1.3636		2.1469	2.1469	1.0946	1.0946
H3	1.0946	2.1469		1.8702	3.1233	2.5014
H4	1.0946	2.1469	1.8702		2.5014	3.1233
H5	2.1469	1.0946	3.1233	2.5014		1.8702
H6	2.1469	1.0946	2.5014	3.1233	1.8702

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.314	C1	C2	H6	121.314
C2	C1	H3	121.314	C2	C1	H4	121.314
H3	C1	H4	117.372	H5	C2	H6	117.372

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: M06-2X/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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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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Number	Element	Mulliken
1	C	-0.391
2	C	-0.391
3	H	0.196
4	H	0.196
5	H	0.196
6	H	0.196

<r²>	21.608
(<r²>)^1/2	4.648

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: M06-2X/CEP-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)