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	hartrees
Energy at 0K	-78.355769
Energy at 298.15K	-78.358944
HF Energy	-78.042800
Nuclear repulsion energy	33.408918

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3263	3039	0.00
2	A_g	1742	1622	0.00
3	A_g	1416	1319	0.00
4	A_u	1068	995	0.00
5	B_1u	3245	3023	15.06
6	B_1u	1526	1422	5.61
7	B_2g	925	862	0.00
8	B_2u	3356	3127	26.76
9	B_2u	851	793	0.34
10	B_3g	3332	3104	0.00
11	B_3g	1272	1185	0.00
12	B_3u	986	919	116.49

Atom	y (Å)	z (Å)
C1	0.000	0.671
C2	0.000	-0.671
H3	0.929	1.217
H4	-0.929	1.217
H5	-0.929	-1.217
H6	0.929	-1.217

	C1	C2	H3	H4	H5	H6
C1		1.3428	1.0778	1.0778	2.1050	2.1050
C2	1.3428		2.1050	2.1050	1.0778	1.0778
H3	1.0778	2.1050		1.8585	3.0630	2.4347
H4	1.0778	2.1050	1.8585		2.4347	3.0630
H5	2.1050	1.0778	3.0630	2.4347		1.8585
H6	2.1050	1.0778	2.4347	3.0630	1.8585

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	120.433	C1	C2	H6	120.433
C2	C1	H3	120.433	C2	C1	H4	120.433
H3	C1	H4	119.133	H5	C2	H6	119.133

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3=FULL/6-31+G**

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: MP3=FULL/6-31+G**

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)