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	hartrees
Energy at 0K	-78.355399
Energy at 298.15K	-78.358577
HF Energy	-78.038333
Nuclear repulsion energy	33.374496

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3237	3237	0.00
2	A_g	1738	1738	0.00
3	A_g	1411	1411	0.00
4	A_u	1071	1071	0.00
5	B_1u	3218	3218	17.42
6	B_1u	1527	1527	3.40
7	B_2g	945	945	0.00
8	B_2u	3327	3327	32.28
9	B_2u	849	849	0.16
10	B_3g	3304	3304	0.00
11	B_3g	1270	1270	0.00
12	B_3u	988	988	76.79

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
H3	0.920	1.236
H4	-0.920	1.236
H5	-0.920	-1.236
H6	0.920	-1.236

	C1	C2	H3	H4	H5	H6
C1		1.3350	1.0810	1.0810	2.1137	2.1137
C2	1.3350		2.1137	2.1137	1.0810	1.0810
H3	1.0810	2.1137		1.8392	3.0806	2.4714
H4	1.0810	2.1137	1.8392		2.4714	3.0806
H5	2.1137	1.0810	3.0806	2.4714		1.8392
H6	2.1137	1.0810	2.4714	3.0806	1.8392

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.710	C1	C2	H6	121.710
C2	C1	H3	121.710	C2	C1	H4	121.710
H3	C1	H4	116.580	H5	C2	H6	116.580

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/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: CCSD=FULL/6-31G**

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)