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	hartrees
Energy at 0K	-78.424110
Energy at 298.15K	-78.427285
HF Energy	-78.062856
Nuclear repulsion energy	33.406230

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3169	3169	0.00
2	A_g	1694	1694	0.00
3	A_g	1384	1384	0.00
4	A_u	1061	1061	0.00
5	B_1u	3150	3150	12.60
6	B_1u	1489	1489	8.93
7	B_2g	967	967	0.00
8	B_2u	3259	3259	18.06
9	B_2u	834	834	0.00
10	B_3g	3233	3233	0.00
11	B_3g	1255	1255	0.00
12	B_3u	980	980	92.24

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.922	1.232
H4	-0.922	1.232
H5	-0.922	-1.232
H6	0.922	-1.232

	C1	C2	H3	H4	H5	H6
C1		1.3320	1.0820	1.0820	2.1099	2.1099
C2	1.3320		2.1099	2.1099	1.0820	1.0820
H3	1.0820	2.1099		1.8448	3.0775	2.4632
H4	1.0820	2.1099	1.8448		2.4632	3.0775
H5	2.1099	1.0820	3.0775	2.4632		1.8448
H6	2.1099	1.0820	2.4632	3.0775	1.8448

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.516	C1	C2	H6	121.516
C2	C1	H3	121.516	C2	C1	H4	121.516
H3	C1	H4	116.968	H5	C2	H6	116.968

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD/6-311+G(3df,2pd)

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: QCISD/6-311+G(3df,2pd)

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)