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	hartrees
Energy at 0K	-78.438803
Energy at 298.15K	-78.441965
HF Energy	-78.063537
Nuclear repulsion energy	33.322883

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3159	3079
2	A_g	1672	1629
3	A_g	1368	1334
4	A_u	1047	1021
5	B_1u	3141	3062
6	B_1u	1478	1441
7	B_2g	942	918
8	B_2u	3248	3166
9	B_2u	821	800
10	B_3g	3221	3140
11	B_3g	1241	1210
12	B_3u	966	942

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
H3	0.924	1.234
H4	-0.924	1.234
H5	-0.924	-1.234
H6	0.924	-1.234

	C1	C2	H3	H4	H5	H6
C1		1.3371	1.0831	1.0831	2.1148	2.1148
C2	1.3371		2.1148	2.1148	1.0831	1.0831
H3	1.0831	2.1148		1.8477	3.0827	2.4676
H4	1.0831	2.1148	1.8477		2.4676	3.0827
H5	2.1148	1.0831	3.0827	2.4676		1.8477
H6	2.1148	1.0831	2.4676	3.0827	1.8477

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.458	C1	C2	H6	121.458
C2	C1	H3	121.458	C2	C1	H4	121.458
H3	C1	H4	117.084	H5	C2	H6	117.084

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD(T)/cc-pVTZ

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(T)/cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)