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	hartrees
Energy at 0K	-78.239337
Energy at 298.15K	-78.242441
HF Energy	-78.009040
Nuclear repulsion energy	32.696295

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3113	3113	0.00
2	A_g	1642	1642	0.00
3	A_g	1361	1361	0.00
4	A_u	1007	1007	0.00
5	B_1u	3085	3085	27.38
6	B_1u	1493	1493	10.02
7	B_2g	815	815	0.00
8	B_2u	3213	3213	64.14
9	B_2u	818	818	2.37
10	B_3g	3179	3179	0.00
11	B_3g	1248	1248	0.00
12	B_3u	939	939	123.52

Atom	y (Å)	z (Å)
C1	0.000	0.684
C2	0.000	-0.684
H3	0.933	1.262
H4	-0.933	1.262
H5	-0.933	-1.262
H6	0.933	-1.262

	C1	C2	H3	H4	H5	H6
C1		1.3687	1.0976	1.0976	2.1585	2.1585
C2	1.3687		2.1585	2.1585	1.0976	1.0976
H3	1.0976	2.1585		1.8668	3.1392	2.5238
H4	1.0976	2.1585	1.8668		2.5238	3.1392
H5	2.1585	1.0976	3.1392	2.5238		1.8668
H6	2.1585	1.0976	2.5238	3.1392	1.8668

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.747	C1	C2	H6	121.747
C2	C1	H3	121.747	C2	C1	H4	121.747
H3	C1	H4	116.506	H5	C2	H6	116.506

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/SDD

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/SDD

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)