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	hartrees
Energy at 0K	-13.501861
Energy at 298.15K	-13.504939
HF Energy	-13.263806
Nuclear repulsion energy	19.134106

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3207	3023	0.00
2	A_g	1694	1597	0.00
3	A_g	1369	1290	0.00
4	A_u	1035	976	0.00
5	B_1u	3185	3002	20.03
6	B_1u	1474	1389	6.80
7	B_2g	769	724	0.00
8	B_2u	3311	3121	45.32
9	B_2u	800	754	1.40
10	B_3g	3267	3080	0.00
11	B_3g	1197	1129	0.00
12	B_3u	933	880	147.18

Atom	y (Å)	z (Å)
C1	0.000	0.687
C2	0.000	-0.687
H3	0.938	1.255
H4	-0.938	1.255
H5	-0.938	-1.255
H6	0.938	-1.255

	C1	C2	H3	H4	H5	H6
C1		1.3748	1.0959	1.0959	2.1567	2.1567
C2	1.3748		2.1567	2.1567	1.0959	1.0959
H3	1.0959	2.1567		1.8752	3.1329	2.5097
H4	1.0959	2.1567	1.8752		2.5097	3.1329
H5	2.1567	1.0959	3.1329	2.5097		1.8752
H6	2.1567	1.0959	2.5097	3.1329	1.8752

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.183	C1	C2	H6	121.183
C2	C1	H3	121.183	C2	C1	H4	121.183
H3	C1	H4	117.635	H5	C2	H6	117.635

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP2=FULL/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: MP2=FULL/CEP-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)