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	hartrees
Energy at 0K	-78.305977
Energy at 298.15K	-78.309152
HF Energy	-78.031067
Nuclear repulsion energy	33.321710

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3223	3025	0.00
2	A_g	1743	1636	0.00
3	A_g	1419	1332	0.00
4	A_u	1075	1009	0.00
5	B_1u	3206	3009	13.16
6	B_1u	1522	1428	5.48
7	B_2g	945	887	0.00
8	B_2u	3307	3103	28.40
9	B_2u	852	800	0.63
10	B_3g	3284	3082	0.00
11	B_3g	1268	1190	0.00
12	B_3u	988	927	92.68

Atom	y (Å)	z (Å)
C1	0.000	0.667
C2	0.000	-0.667
H3	0.922	1.240
H4	-0.922	1.240
H5	-0.922	-1.240
H6	0.922	-1.240

	C1	C2	H3	H4	H5	H6
C1		1.3335	1.0859	1.0859	2.1178	2.1178
C2	1.3335		2.1178	2.1178	1.0859	1.0859
H3	1.0859	2.1178		1.8449	3.0903	2.4792
H4	1.0859	2.1178	1.8449		2.4792	3.0903
H5	2.1178	1.0859	3.0903	2.4792		1.8449
H6	2.1178	1.0859	2.4792	3.0903	1.8449

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.839	C1	C2	H6	121.839
C2	C1	H3	121.839	C2	C1	H4	121.839
H3	C1	H4	116.322	H5	C2	H6	116.322

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3/6-31G*

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: MP3/6-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)