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	hartrees
Energy at 0K	-78.398890
Energy at 298.15K	-78.402072
HF Energy	-78.042846
Nuclear repulsion energy	33.430601

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3220	3032	0.00
2	A_g	1711	1611	0.00
3	A_g	1402	1320	0.00
4	A_u	1077	1014	0.00
5	B_1u	3200	3013	9.82
6	B_1u	1500	1412	6.24
7	B_2g	971	914	0.00
8	B_2u	3307	3114	17.76
9	B_2u	838	789	0.22
10	B_3g	3281	3090	0.00
11	B_3g	1260	1186	0.00
12	B_3u	992	934	74.04

Atom	y (Å)	z (Å)
C1	0.000	0.665
C2	0.000	-0.665
H3	0.920	1.235
H4	-0.920	1.235
H5	-0.920	-1.235
H6	0.920	-1.235

	C1	C2	H3	H4	H5	H6
C1		1.3298	1.0819	1.0819	2.1105	2.1105
C2	1.3298		2.1105	2.1105	1.0819	1.0819
H3	1.0819	2.1105		1.8392	3.0792	2.4695
H4	1.0819	2.1105	1.8392		2.4695	3.0792
H5	2.1105	1.0819	3.0792	2.4695		1.8392
H6	2.1105	1.0819	2.4695	3.0792	1.8392

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.786	C1	C2	H6	121.786
C2	C1	H3	121.786	C2	C1	H4	121.786
H3	C1	H4	116.428	H5	C2	H6	116.428

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/6-31G(2df,p)

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/6-31G(2df,p)

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)