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	hartrees
Energy at 0K	-78.529327
Energy at 298.15K	-78.532469
HF Energy	-78.529327
Nuclear repulsion energy	32.849693

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3084	3067	0.00
2	A_g	1623	1614	0.00
3	A_g	1348	1341	0.00
4	A_u	1023	1017	0.00
5	B_1u	3060	3043	19.99
6	B_1u	1447	1439	16.35
7	B_2g	960	955	0.00
8	B_2u	3192	3174	60.18
9	B_2u	819	814	5.75
10	B_3g	3152	3134	0.00
11	B_3g	1211	1205	0.00
12	B_3u	961	956	169.71

Atom	y (Å)	z (Å)
C1	0.000	0.679
C2	0.000	-0.679
H3	0.932	1.256
H4	-0.932	1.256
H5	-0.932	-1.256
H6	0.932	-1.256

	C1	C2	H3	H4	H5	H6
C1		1.3585	1.0961	1.0961	2.1481	2.1481
C2	1.3585		2.1481	2.1481	1.0961	1.0961
H3	1.0961	2.1481		1.8641	3.1283	2.5122
H4	1.0961	2.1481	1.8641		2.5122	3.1283
H5	2.1481	1.0961	3.1283	2.5122		1.8641
H6	2.1481	1.0961	2.5122	3.1283	1.8641

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.755	C1	C2	H6	121.755
C2	C1	H3	121.755	C2	C1	H4	121.755
H3	C1	H4	116.489	H5	C2	H6	116.489

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: BLYP/LANL2DZ

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	-0.409
2	C	-0.409
3	H	0.205
4	H	0.205
5	H	0.205
6	H	0.205

<r²>	23.508
(<r²>)^1/2	4.848

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: BLYP/LANL2DZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)