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	hartrees
Energy at 0K	-78.470087
Energy at 298.15K	-78.473259
HF Energy	-78.063896
Nuclear repulsion energy	33.441440

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3184	3066
2	A_g	1678	1616
3	A_g	1378	1327
4	A_u	1059	1020
5	B_1u	3161	3044
6	B_1u	1486	1430
7	B_2g	955	919
8	B_2u	3255	3134
9	B_2u	825	795
10	B_3g	3221	3102
11	B_3g	1242	1196
12	B_3u	982	945

Atom	y (Å)	z (Å)
C1	0.000	0.667
C2	0.000	-0.667
H3	0.921	1.228
H4	-0.921	1.228
H5	-0.921	-1.228
H6	0.921	-1.228

	C1	C2	H3	H4	H5	H6
C1		1.3332	1.0788	1.0788	2.1068	2.1068
C2	1.3332		2.1068	2.1068	1.0788	1.0788
H3	1.0788	2.1068		1.8420	3.0704	2.4565
H4	1.0788	2.1068	1.8420		2.4565	3.0704
H5	2.1068	1.0788	3.0704	2.4565		1.8420
H6	2.1068	1.0788	2.4565	3.0704	1.8420

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.375	C1	C2	H6	121.375
C2	C1	H3	121.375	C2	C1	H4	121.375
H3	C1	H4	117.251	H5	C2	H6	117.251

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP4=FULL/cc-pVTZ

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=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)