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	hartrees
Energy at 0K	-77.235067
Energy at 298.15K	-77.238155
HF Energy	-77.068433
Nuclear repulsion energy	32.756336

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3380	3380	0.00
2	A_g	1777	1777	0.00
3	A_g	1442	1442	0.00
4	A_u	1109	1109	0.00
5	B_1u	3354	3354	4.24
6	B_1u	1599	1599	0.00
7	B_2g	952	952	0.00
8	B_2u	3513	3513	1.41
9	B_2u	865	865	0.18
10	B_3g	3500	3500	0.00
11	B_3g	1328	1328	0.00
12	B_3u	991	991	19.14

Atom	y (Å)	z (Å)
C1	0.000	0.677
C2	0.000	-0.677
H3	0.939	1.262
H4	-0.939	1.262
H5	-0.939	-1.262
H6	0.939	-1.262

	C1	C2	H3	H4	H5	H6
C1		1.3548	1.1061	1.1061	2.1547	2.1547
C2	1.3548		2.1547	2.1547	1.1061	1.1061
H3	1.1061	2.1547		1.8783	3.1459	2.5237
H4	1.1061	2.1547	1.8783		2.5237	3.1459
H5	2.1547	1.1061	3.1459	2.5237		1.8783
H6	2.1547	1.1061	2.5237	3.1459	1.8783

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.895	C1	C2	H6	121.895
C2	C1	H3	121.895	C2	C1	H4	121.895
H3	C1	H4	116.211	H5	C2	H6	116.211

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD/STO-3G

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/STO-3G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)