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	hartrees
Energy at 0K	-78.378318
Energy at 298.15K	-78.381448
HF Energy	-78.061630
Nuclear repulsion energy	33.399068

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3194	3048	0.00
2	A_g	1705	1627	0.00
3	A_g	1395	1332	0.00
4	A_u	1046	999	0.00
5	B_1u	3176	3032	16.48
6	B_1u	1502	1434	6.45
7	B_2g	803	767	0.00
8	B_2u	3283	3133	27.51
9	B_2u	837	799	0.17
10	B_3g	3256	3107	0.00
11	B_3g	1252	1195	0.00
12	B_3u	956	913	98.13

Atom	y (Å)	z (Å)
C1	0.000	0.670
C2	0.000	-0.670
H3	0.933	1.216
H4	-0.933	1.216
H5	-0.933	-1.216
H6	0.933	-1.216

	C1	C2	H3	H4	H5	H6
C1		1.3403	1.0813	1.0813	2.1048	2.1048
C2	1.3403		2.1048	2.1048	1.0813	1.0813
H3	1.0813	2.1048		1.8662	3.0663	2.4329
H4	1.0813	2.1048	1.8662		2.4329	3.0663
H5	2.1048	1.0813	3.0663	2.4329		1.8662
H6	2.1048	1.0813	2.4329	3.0663	1.8662

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	120.348	C1	C2	H6	120.348
C2	C1	H3	120.348	C2	C1	H4	120.348
H3	C1	H4	119.304	H5	C2	H6	119.304

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD/TZVP

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/TZVP

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)