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	hartrees
Energy at 0K	-13.531379
Energy at 298.15K	-13.534448
HF Energy	-13.263347
Nuclear repulsion energy	19.081418

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3163	2983	0.00
2	A_g	1692	1595	0.00
3	A_g	1355	1278	0.00
4	A_u	1007	949	0.00
5	B_1u	3140	2961	30.46
6	B_1u	1463	1379	6.40
7	B_2g	778	733	0.00
8	B_2u	3254	3069	62.74
9	B_2u	794	749	0.74
10	B_3g	3211	3029	0.00
11	B_3g	1190	1122	0.00
12	B_3u	919	866	134.14

Atom	y (Å)	z (Å)
C1	0.000	0.688
C2	0.000	-0.688
H3	0.940	1.260
H4	-0.940	1.260
H5	-0.940	-1.260
H6	0.940	-1.260

	C1	C2	H3	H4	H5	H6
C1		1.3769	1.0999	1.0999	2.1631	2.1631
C2	1.3769		2.1631	2.1631	1.0999	1.0999
H3	1.0999	2.1631		1.8796	3.1435	2.5197
H4	1.0999	2.1631	1.8796		2.5197	3.1435
H5	2.1631	1.0999	3.1435	2.5197		1.8796
H6	2.1631	1.0999	2.5197	3.1435	1.8796

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.300	C1	C2	H6	121.300
C2	C1	H3	121.300	C2	C1	H4	121.300
H3	C1	H4	117.400	H5	C2	H6	117.400

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD/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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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: CCSD/CEP-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)