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	hartrees
Energy at 0K	-13.420190
Energy at 298.15K	-13.423309
HF Energy	-13.241704
Nuclear repulsion energy	19.180685

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3107	2929	0.00
2	A_g	1627	1534	0.00
3	A_g	1363	1285	0.00
4	A_u	1034	975	0.00
5	B_1u	3081	2904	25.74
6	B_1u	1498	1412	5.30
7	B_2g	782	737	0.00
8	B_2u	3215	3030	56.53
9	B_2u	832	784	1.88
10	B_3g	3184	3001	0.00
11	B_3g	1245	1174	0.00
12	B_3u	953	898	130.95

Atom	y (Å)	z (Å)
C1	0.000	0.685
C2	0.000	-0.685
H3	0.932	1.257
H4	-0.932	1.257
H5	-0.932	-1.257
H6	0.932	-1.257

	C1	C2	H3	H4	H5	H6
C1		1.3701	1.0934	1.0934	2.1541	2.1541
C2	1.3701		2.1541	2.1541	1.0934	1.0934
H3	1.0934	2.1541		1.8637	3.1296	2.5141
H4	1.0934	2.1541	1.8637		2.5141	3.1296
H5	2.1541	1.0934	3.1296	2.5141		1.8637
H6	2.1541	1.0934	2.5141	3.1296	1.8637

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.543	C1	C2	H6	121.543
C2	C1	H3	121.543	C2	C1	H4	121.543
H3	C1	H4	116.913	H5	C2	H6	116.913

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP2=FULL/CEP-121G

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-121G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)