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	hartrees
Energy at 0K	-78.345633
Energy at 298.15K	-78.348795
HF Energy	-78.038871
Nuclear repulsion energy	33.006924

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3182	3014	0.00
2	A_g	1700	1610	0.00
3	A_g	1374	1302	0.00
4	A_u	1046	990	0.00
5	B_1u	3161	2995	14.44
6	B_1u	1471	1394	5.45
7	B_2g	937	888	0.00
8	B_2u	3275	3102	23.49
9	B_2u	828	784	0.18
10	B_3g	3249	3078	0.00
11	B_3g	1239	1174	0.00
12	B_3u	968	917	75.33

Atom	y (Å)	z (Å)
C1	0.000	0.673
C2	0.000	-0.673
H3	0.935	1.247
H4	-0.935	1.247
H5	-0.935	-1.247
H6	0.935	-1.247

	C1	C2	H3	H4	H5	H6
C1		1.3461	1.0970	1.0970	2.1354	2.1354
C2	1.3461		2.1354	2.1354	1.0970	1.0970
H3	1.0970	2.1354		1.8700	3.1169	2.4936
H4	1.0970	2.1354	1.8700		2.4936	3.1169
H5	2.1354	1.0970	3.1169	2.4936		1.8700
H6	2.1354	1.0970	2.4936	3.1169	1.8700

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.535	C1	C2	H6	121.535
C2	C1	H3	121.535	C2	C1	H4	121.535
H3	C1	H4	116.929	H5	C2	H6	116.929

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD/cc-pVDZ

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/cc-pVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)