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	hartrees
Energy at 0K	-78.463795
Energy at 298.15K	-78.466958
HF Energy	-78.069222
Nuclear repulsion energy	33.355822

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3154	3154
2	A_g	1668	1668
3	A_g	1366	1366
4	A_u	1050	1050
5	B_1u	3138	3138
6	B_1u	1475	1475
7	B_2g	950	950
8	B_2u	3246	3246
9	B_2u	823	823
10	B_3g	3220	3220
11	B_3g	1246	1246
12	B_3u	963	963

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
H3	0.924	1.232
H4	-0.924	1.232
H5	-0.924	-1.232
H6	0.924	-1.232

	C1	C2	H3	H4	H5	H6
C1		1.3350	1.0827	1.0827	2.1125	2.1125
C2	1.3350		2.1125	2.1125	1.0827	1.0827
H3	1.0827	2.1125		1.8475	3.0803	2.4647
H4	1.0827	2.1125	1.8475		2.4647	3.0803
H5	2.1125	1.0827	3.0803	2.4647		1.8475
H6	2.1125	1.0827	2.4647	3.0803	1.8475

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.445	C1	C2	H6	121.445
C2	C1	H3	121.445	C2	C1	H4	121.445
H3	C1	H4	117.109	H5	C2	H6	117.109

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(T)/aug-cc-pVQZ

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: QCISD(T)/aug-cc-pVQZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)