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	hartrees
Energy at 0K	-77.813275
Energy at 298.15K	-77.816462
HF Energy	-77.598992
Nuclear repulsion energy	33.095049

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3137	3071
2	A_g	1672	1637
3	A_g	1407	1377
4	A_u	1060	1038
5	B_1u	3117	3050
6	B_1u	1549	1516
7	B_2g	950	930
8	B_2u	3217	3149
9	B_2u	879	860
10	B_3g	3188	3120
11	B_3g	1285	1257
12	B_3u	977	956

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		1.3457	1.0900	1.0900	2.1336	2.1336
C2	1.3457		2.1336	2.1336	1.0900	1.0900
H3	1.0900	2.1336		1.8493	3.1096	2.5000
H4	1.0900	2.1336	1.8493		2.5000	3.1096
H5	2.1336	1.0900	3.1096	2.5000		1.8493
H6	2.1336	1.0900	2.5000	3.1096	1.8493

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.972	C1	C2	H6	121.972
C2	C1	H3	121.972	C2	C1	H4	121.972
H3	C1	H4	116.057	H5	C2	H6	116.057

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP4=FULL/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=FULL/3-21G

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)