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	hartrees
Energy at 0K	-78.215909
Energy at 298.15K	-78.218988
HF Energy	-78.008215
Nuclear repulsion energy	32.608883

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3098	3098
2	A_g	1622	1622
3	A_g	1346	1346
4	A_u	992	992
5	B_1u	3071	3071
6	B_1u	1485	1485
7	B_2g	778	778
8	B_2u	3200	3200
9	B_2u	810	810
10	B_3g	3166	3166
11	B_3g	1240	1240
12	B_3u	921	921

Atom	y (Å)	z (Å)
C1	0.000	0.687
C2	0.000	-0.687
H3	0.935	1.265
H4	-0.935	1.265
H5	-0.935	-1.265
H6	0.935	-1.265

	C1	C2	H3	H4	H5	H6
C1		1.3742	1.0991	1.0991	2.1643	2.1643
C2	1.3742		2.1643	2.1643	1.0991	1.0991
H3	1.0991	2.1643		1.8699	3.1458	2.5297
H4	1.0991	2.1643	1.8699		2.5297	3.1458
H5	2.1643	1.0991	3.1458	2.5297		1.8699
H6	2.1643	1.0991	2.5297	3.1458	1.8699

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.714	C1	C2	H6	121.714
C2	C1	H3	121.714	C2	C1	H4	121.714
H3	C1	H4	116.572	H5	C2	H6	116.572

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(TQ)/LANL2DZ

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(TQ)/LANL2DZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)