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	hartrees
Energy at 0K	-78.399536
Energy at 298.15K	-78.402708
HF Energy	-78.062909
Nuclear repulsion energy	33.430811

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3191	3031	0.00
2	A_g	1680	1596	0.00
3	A_g	1382	1313	0.00
4	A_u	1073	1019	0.00
5	B_1u	3173	3015	9.09
6	B_1u	1482	1408	9.30
7	B_2g	960	912	0.00
8	B_2u	3291	3127	12.38
9	B_2u	830	788	0.02
10	B_3g	3266	3102	0.00
11	B_3g	1248	1185	0.00
12	B_3u	978	930	92.68

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.923	1.228
H4	-0.923	1.228
H5	-0.923	-1.228
H6	0.923	-1.228

	C1	C2	H3	H4	H5	H6
C1		1.3320	1.0807	1.0807	2.1071	2.1071
C2	1.3320		2.1071	2.1071	1.0807	1.0807
H3	1.0807	2.1071		1.8457	3.0727	2.4565
H4	1.0807	2.1071	1.8457		2.4565	3.0727
H5	2.1071	1.0807	3.0727	2.4565		1.8457
H6	2.1071	1.0807	2.4565	3.0727	1.8457

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.353	C1	C2	H6	121.353
C2	C1	H3	121.353	C2	C1	H4	121.353
H3	C1	H4	117.294	H5	C2	H6	117.294

All results from a given calculation for C₂H₄ (Ethylene)

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

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)