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	hartrees
Energy at 0K	-13.532530
Energy at 298.15K	-13.535652
HF Energy	-13.276124
Nuclear repulsion energy	19.390982

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3190	3007	0.00
2	A_g	1670	1575	0.00
3	A_g	1376	1297	0.00
4	A_u	1059	998	0.00
5	B_1u	3172	2990	15.54
6	B_1u	1490	1405	6.85
7	B_2g	811	765	0.00
8	B_2u	3294	3105	30.81
9	B_2u	829	781	1.07
10	B_3g	3269	3081	0.00
11	B_3g	1240	1169	0.00
12	B_3u	954	900	127.31

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
H3	0.927	1.240
H4	-0.927	1.240
H5	-0.927	-1.240
H6	0.927	-1.240

	C1	C2	H3	H4	H5	H6
C1		1.3480	1.0868	1.0868	2.1273	2.1273
C2	1.3480		2.1273	2.1273	1.0868	1.0868
H3	1.0868	2.1273		1.8549	3.0976	2.4808
H4	1.0868	2.1273	1.8549		2.4808	3.0976
H5	2.1273	1.0868	3.0976	2.4808		1.8549
H6	2.1273	1.0868	2.4808	3.0976	1.8549

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.413	C1	C2	H6	121.413
C2	C1	H3	121.413	C2	C1	H4	121.413
H3	C1	H4	117.175	H5	C2	H6	117.175

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)