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	hartrees
Energy at 0K	-78.496879
Energy at 298.15K	-78.500063
HF Energy	-78.064492
Nuclear repulsion energy	33.496971

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3202	3045	0.00
2	A_g	1689	1607	0.00
3	A_g	1388	1320	0.00
4	A_u	1079	1026	0.00
5	B_1u	3185	3029	9.35
6	B_1u	1487	1415	9.34
7	B_2g	964	917	0.00
8	B_2u	3301	3140	13.74
9	B_2u	831	790	0.14
10	B_3g	3275	3115	0.00
11	B_3g	1249	1188	0.00
12	B_3u	985	937	92.68

Atom	y (Å)	z (Å)
C1	0.000	0.664
C2	0.000	-0.664
H3	0.922	1.226
H4	-0.922	1.226
H5	-0.922	-1.226
H6	0.922	-1.226

	C1	C2	H3	H4	H5	H6
C1		1.3286	1.0792	1.0792	2.1029	2.1029
C2	1.3286		2.1029	2.1029	1.0792	1.0792
H3	1.0792	2.1029		1.8431	3.0673	2.4518
H4	1.0792	2.1029	1.8431		2.4518	3.0673
H5	2.1029	1.0792	3.0673	2.4518		1.8431
H6	2.1029	1.0792	2.4518	3.0673	1.8431

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.357	C1	C2	H6	121.357
C2	C1	H3	121.357	C2	C1	H4	121.357
H3	C1	H4	117.287	H5	C2	H6	117.287

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP2=FULL/cc-pCVTZ

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: MP2=FULL/cc-pCVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)