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	hartrees
Energy at 0K	-78.196038
Energy at 298.15K	-78.199236
HF Energy	-78.003094
Nuclear repulsion energy	33.113855

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3189	2991	0.00
2	A_g	1724	1617	0.00
3	A_g	1428	1339	0.00
4	A_u	1066	1000	0.00
5	B_1u	3162	2965	19.91
6	B_1u	1549	1453	4.99
7	B_2g	981	920	0.00
8	B_2u	3267	3064	45.46
9	B_2u	874	820	1.06
10	B_3g	3240	3038	0.00
11	B_3g	1291	1211	0.00
12	B_3u	1006	944	104.27

Atom	y (Å)	z (Å)
C1	0.000	0.673
C2	0.000	-0.673
H3	0.923	1.250
H4	-0.923	1.250
H5	-0.923	-1.250
H6	0.923	-1.250

	C1	C2	H3	H4	H5	H6
C1		1.3453	1.0890	1.0890	2.1329	2.1329
C2	1.3453		2.1329	2.1329	1.0890	1.0890
H3	1.0890	2.1329		1.8467	3.1082	2.5001
H4	1.0890	2.1329	1.8467		2.5001	3.1082
H5	2.1329	1.0890	3.1082	2.5001		1.8467
H6	2.1329	1.0890	2.5001	3.1082	1.8467

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	122.017	C1	C2	H6	122.017
C2	C1	H3	122.017	C2	C1	H4	122.017
H3	C1	H4	115.965	H5	C2	H6	115.965

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CISD/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: CISD/6-31G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)