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	hartrees
Energy at 0K	-78.428787
Energy at 298.15K	-78.431957
HF Energy	-78.064785
Nuclear repulsion energy	33.406570

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3174	3174	0.00
2	A_g	1698	1698	0.00
3	A_g	1384	1384	0.00
4	A_u	1060	1060	0.00
5	B_1u	3154	3154	13.44
6	B_1u	1488	1488	8.61
7	B_2g	962	962	0.00
8	B_2u	3261	3261	18.02
9	B_2u	829	829	0.00
10	B_3g	3234	3234	0.00
11	B_3g	1255	1255	0.00
12	B_3u	980	980	90.84

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.923	1.231
H4	-0.923	1.231
H5	-0.923	-1.231
H6	0.923	-1.231

	C1	C2	H3	H4	H5	H6
C1		1.3320	1.0821	1.0821	2.1098	2.1098
C2	1.3320		2.1098	2.1098	1.0821	1.0821
H3	1.0821	2.1098		1.8452	3.0773	2.4627
H4	1.0821	2.1098	1.8452		2.4627	3.0773
H5	2.1098	1.0821	3.0773	2.4627		1.8452
H6	2.1098	1.0821	2.4627	3.0773	1.8452

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.500	C1	C2	H6	121.500
C2	C1	H3	121.500	C2	C1	H4	121.500
H3	C1	H4	117.000	H5	C2	H6	117.000

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD/daug-cc-pVTZ

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/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)