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	hartrees
Energy at 0K	-78.415687
Energy at 298.15K	-78.411701
HF Energy	-78.030311
Nuclear repulsion energy	33.617404

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3326	3326	0.00
2	A_g	1850	1850	0.00
3	A_g	1489	1489	0.00
4	A_u	1151	1151	0.00
5	B_1u	3300	3300	23.63
6	B_1u	1597	1597	7.16
7	B_2g	1083	1083	0.00
8	B_2u	3404	3404	38.32
9	B_2u	888	888	0.15
10	B_3g	3377	3377	0.00
11	B_3g	1340	1340	0.00
12	B_3u	1084	1084	94.74

Atom	y (Å)	z (Å)
C1	0.000	0.659
C2	0.000	-0.659
H3	0.917	1.229
H4	-0.917	1.229
H5	-0.917	-1.229
H6	0.917	-1.229

	C1	C2	H3	H4	H5	H6
C1		1.3189	1.0791	1.0791	2.0990	2.0990
C2	1.3189		2.0990	2.0990	1.0791	1.0791
H3	1.0791	2.0990		1.8333	3.0661	2.4576
H4	1.0791	2.0990	1.8333		2.4576	3.0661
H5	2.0990	1.0791	3.0661	2.4576		1.8333
H6	2.0990	1.0791	2.4576	3.0661	1.8333

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.846	C1	C2	H6	121.846
C2	C1	H3	121.846	C2	C1	H4	121.846
H3	C1	H4	116.308	H5	C2	H6	116.308

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CBS-Q

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: CBS-Q

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)