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	hartrees
Energy at 0K	-78.372388
Energy at 298.15K	-78.375551
HF Energy	-78.053834
Nuclear repulsion energy	33.253086

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3173	3173	0.00
2	A_g	1694	1694	0.00
3	A_g	1383	1383	0.00
4	A_u	1055	1055	0.00
5	B_1u	3154	3154	15.81
6	B_1u	1487	1487	6.67
7	B_2g	924	924	0.00
8	B_2u	3261	3261	28.77
9	B_2u	831	831	0.17
10	B_3g	3235	3235	0.00
11	B_3g	1242	1242	0.00
12	B_3u	969	969	90.06

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
H3	0.926	1.238
H4	-0.926	1.238
H5	-0.926	-1.238
H6	0.926	-1.238

	C1	C2	H3	H4	H5	H6
C1		1.3380	1.0870	1.0870	2.1202	2.1202
C2	1.3380		2.1202	2.1202	1.0870	1.0870
H3	1.0870	2.1202		1.8521	3.0924	2.4765
H4	1.0870	2.1202	1.8521		2.4765	3.0924
H5	2.1202	1.0870	3.0924	2.4765		1.8521
H6	2.1202	1.0870	2.4765	3.0924	1.8521

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.580	C1	C2	H6	121.580
C2	C1	H3	121.580	C2	C1	H4	121.580
H3	C1	H4	116.841	H5	C2	H6	116.841

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD/6-311G**

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/6-311G**

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)