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	hartrees
Energy at 0K	-77.810196
Energy at 298.15K	-77.813383
HF Energy	-77.598965
Nuclear repulsion energy	33.090587

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3137	3042
2	A_g	1672	1621
3	A_g	1406	1364
4	A_u	1060	1028
5	B_1u	3116	3022
6	B_1u	1549	1502
7	B_2g	949	921
8	B_2u	3217	3119
9	B_2u	878	852
10	B_3g	3187	3091
11	B_3g	1285	1246
12	B_3u	976	947

Atom	y (Å)	z (Å)
C1	0.000	0.673
C2	0.000	-0.673
H3	0.925	1.250
H4	-0.925	1.250
H5	-0.925	-1.250
H6	0.925	-1.250

	C1	C2	H3	H4	H5	H6
C1		1.3460	1.0901	1.0901	2.1339	2.1339
C2	1.3460		2.1339	2.1339	1.0901	1.0901
H3	1.0901	2.1339		1.8495	3.1100	2.5003
H4	1.0901	2.1339	1.8495		2.5003	3.1100
H5	2.1339	1.0901	3.1100	2.5003		1.8495
H6	2.1339	1.0901	2.5003	3.1100	1.8495

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.970	C1	C2	H6	121.970
C2	C1	H3	121.970	C2	C1	H4	121.970
H3	C1	H4	116.059	H5	C2	H6	116.059

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP4/3-21G

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: MP4/3-21G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)