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	hartrees
Energy at 0K	-78.443406
Energy at 298.15K	-78.446580
HF Energy	-78.063050
Nuclear repulsion energy	33.479781

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3193	3193	0.00
2	A_g	1684	1684	0.00
3	A_g	1384	1384	0.00
4	A_u	1077	1077	0.00
5	B_1u	3175	3175	8.86
6	B_1u	1480	1480	9.71
7	B_2g	965	965	0.00
8	B_2u	3294	3294	11.91
9	B_2u	829	829	0.03
10	B_3g	3268	3268	0.00
11	B_3g	1245	1245	0.00
12	B_3u	981	981	92.95

Atom	y (Å)	z (Å)
C1	0.000	0.665
C2	0.000	-0.665
H3	0.922	1.227
H4	-0.922	1.227
H5	-0.922	-1.227
H6	0.922	-1.227

	C1	C2	H3	H4	H5	H6
C1		1.3293	1.0797	1.0797	2.1043	2.1043
C2	1.3293		2.1043	2.1043	1.0797	1.0797
H3	1.0797	2.1043		1.8433	3.0692	2.4540
H4	1.0797	2.1043	1.8433		2.4540	3.0692
H5	2.1043	1.0797	3.0692	2.4540		1.8433
H6	2.1043	1.0797	2.4540	3.0692	1.8433

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.390	C1	C2	H6	121.390
C2	C1	H3	121.390	C2	C1	H4	121.390
H3	C1	H4	117.220	H5	C2	H6	117.220

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP2=FULL/6-311+G(3df,2pd)

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/6-311+G(3df,2pd)

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)