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	hartrees
Energy at 0K	-78.322485
Energy at 298.15K	-78.325632
HF Energy	-78.030321
Nuclear repulsion energy	33.147457

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3173	3173
2	A_g	1695	1695
3	A_g	1389	1389
4	A_u	1042	1042
5	B_1u	3156	3156
6	B_1u	1502	1502
7	B_2g	909	909
8	B_2u	3256	3256
9	B_2u	839	839
10	B_3g	3232	3232
11	B_3g	1251	1251
12	B_3u	960	960

Atom	y (Å)	z (Å)
C1	0.000	0.671
C2	0.000	-0.671
H3	0.926	1.246
H4	-0.926	1.246
H5	-0.926	-1.246
H6	0.926	-1.246

	C1	C2	H3	H4	H5	H6
C1		1.3427	1.0894	1.0894	2.1288	2.1288
C2	1.3427		2.1288	2.1288	1.0894	1.0894
H3	1.0894	2.1288		1.8517	3.1039	2.4910
H4	1.0894	2.1288	1.8517		2.4910	3.1039
H5	2.1288	1.0894	3.1039	2.4910		1.8517
H6	2.1288	1.0894	2.4910	3.1039	1.8517

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.804	C1	C2	H6	121.804
C2	C1	H3	121.804	C2	C1	H4	121.804
H3	C1	H4	116.392	H5	C2	H6	116.392

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(TQ)/6-31G*

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)/6-31G*

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)