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	hartrees
Energy at 0K	-13.525416
Energy at 298.15K	-13.528490
HF Energy	-13.263771
Nuclear repulsion energy	19.126458

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3193	3193	0.00
2	A_g	1712	1712	0.00
3	A_g	1368	1368	0.00
4	A_u	1023	1023	0.00
5	B_1u	3172	3172	24.58
6	B_1u	1472	1472	6.52
7	B_2g	767	767	0.00
8	B_2u	3288	3288	55.49
9	B_2u	799	799	0.91
10	B_3g	3244	3244	0.00
11	B_3g	1198	1198	0.00
12	B_3u	926	926	141.51

Atom	y (Å)	z (Å)
C1	0.000	0.687
C2	0.000	-0.687
H3	0.938	1.257
H4	-0.938	1.257
H5	-0.938	-1.257
H6	0.938	-1.257

	C1	C2	H3	H4	H5	H6
C1		1.3734	1.0975	1.0975	2.1578	2.1578
C2	1.3734		2.1578	2.1578	1.0975	1.0975
H3	1.0975	2.1578		1.8757	3.1361	2.5134
H4	1.0975	2.1578	1.8757		2.5134	3.1361
H5	2.1578	1.0975	3.1361	2.5134		1.8757
H6	2.1578	1.0975	2.5134	3.1361	1.8757

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.290	C1	C2	H6	121.290
C2	C1	H3	121.290	C2	C1	H4	121.290
H3	C1	H4	117.420	H5	C2	H6	117.420

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3/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: MP3/CEP-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)