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	hartrees
Energy at 0K	-13.448027
Energy at 298.15K	-13.451137
HF Energy	-13.241216
Nuclear repulsion energy	19.131619

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3056	2882	0.00
2	A_g	1631	1539	0.00
3	A_g	1350	1273	0.00
4	A_u	1002	945	0.00
5	B_1u	3028	2856	26.26
6	B_1u	1480	1396	5.49
7	B_2g	800	754	0.00
8	B_2u	3151	2972	61.17
9	B_2u	822	775	1.32
10	B_3g	3121	2944	0.00
11	B_3g	1229	1159	0.00
12	B_3u	933	880	116.95

Atom	y (Å)	z (Å)
C1	0.000	0.685
C2	0.000	-0.685
H3	0.934	1.263
H4	-0.934	1.263
H5	-0.934	-1.263
H6	0.934	-1.263

	C1	C2	H3	H4	H5	H6
C1		1.3703	1.0981	1.0981	2.1602	2.1602
C2	1.3703		2.1602	2.1602	1.0981	1.0981
H3	1.0981	2.1602		1.8679	3.1411	2.5253
H4	1.0981	2.1602	1.8679		2.5253	3.1411
H5	2.1602	1.0981	3.1411	2.5253		1.8679
H6	2.1602	1.0981	2.5253	3.1411	1.8679

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.731	C1	C2	H6	121.731
C2	C1	H3	121.731	C2	C1	H4	121.731
H3	C1	H4	116.538	H5	C2	H6	116.538

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCD/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: CCD/CEP-121G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)