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	hartrees
Energy at 0K	-78.423006
Energy at 298.15K	-78.426180
HF Energy	-78.040105
Nuclear repulsion energy	33.063654

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3184	3184	0.00
2	A_g	1702	1702	0.00
3	A_g	1377	1377	0.00
4	A_u	1049	1049	0.00
5	B_1u	3164	3164	13.96
6	B_1u	1475	1475	5.78
7	B_2g	942	942	0.00
8	B_2u	3279	3279	23.00
9	B_2u	831	831	0.21
10	B_3g	3253	3253	0.00
11	B_3g	1242	1242	0.00
12	B_3u	971	971	76.92

Atom	y (Å)	z (Å)
C1	0.000	0.672
C2	0.000	-0.672
H3	0.934	1.245
H4	-0.934	1.245
H5	-0.934	-1.245
H6	0.934	-1.245

	C1	C2	H3	H4	H5	H6
C1		1.3435	1.0954	1.0954	2.1317	2.1317
C2	1.3435		2.1317	2.1317	1.0954	1.0954
H3	1.0954	2.1317		1.8673	3.1118	2.4893
H4	1.0954	2.1317	1.8673		2.4893	3.1118
H5	2.1317	1.0954	3.1118	2.4893		1.8673
H6	2.1317	1.0954	2.4893	3.1118	1.8673

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.533	C1	C2	H6	121.533
C2	C1	H3	121.533	C2	C1	H4	121.533
H3	C1	H4	116.934	H5	C2	H6	116.934

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/cc-pCVDZ

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/cc-pCVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)