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	hartrees
Energy at 0K	-13.394693
Energy at 298.15K	-13.397778
HF Energy	-13.233143
Nuclear repulsion energy	18.962844

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3163	2981	0.00
2	A_g	1648	1554	0.00
3	A_g	1362	1284	0.00
4	A_u	1021	963	0.00
5	B_1u	3135	2955	37.24
6	B_1u	1490	1405	6.69
7	B_2g	762	718	0.00
8	B_2u	3269	3082	90.83
9	B_2u	814	767	2.03
10	B_3g	3224	3039	0.00
11	B_3g	1215	1145	0.00
12	B_3u	939	885	158.42

Atom	y (Å)	z (Å)
C1	0.000	0.696
C2	0.000	-0.696
H3	0.941	1.270
H4	-0.941	1.270
H5	-0.941	-1.270
H6	0.941	-1.270

	C1	C2	H3	H4	H5	H6
C1		1.3929	1.1016	1.1016	2.1798	2.1798
C2	1.3929		2.1798	2.1798	1.1016	1.1016
H3	1.1016	2.1798		1.8811	3.1607	2.5400
H4	1.1016	2.1798	1.8811		2.5400	3.1607
H5	2.1798	1.1016	3.1607	2.5400		1.8811
H6	2.1798	1.1016	2.5400	3.1607	1.8811

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.375	C1	C2	H6	121.375
C2	C1	H3	121.375	C2	C1	H4	121.375
H3	C1	H4	117.250	H5	C2	H6	117.250

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)