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	hartrees
Energy at 0K	-78.440547
Energy at 298.15K	-78.443715
HF Energy	-78.063992
Nuclear repulsion energy	33.333919

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3161	3161
2	A_g	1667	1667
3	A_g	1369	1369
4	A_u	1056	1056
5	B_1u	3144	3144
6	B_1u	1477	1477
7	B_2g	943	943
8	B_2u	3254	3254
9	B_2u	820	820
10	B_3g	3228	3228
11	B_3g	1241	1241
12	B_3u	969	969

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
H3	0.924	1.233
H4	-0.924	1.233
H5	-0.924	-1.233
H6	0.924	-1.233

	C1	C2	H3	H4	H5	H6
C1		1.3364	1.0830	1.0830	2.1140	2.1140
C2	1.3364		2.1140	2.1140	1.0830	1.0830
H3	1.0830	2.1140		1.8479	3.0818	2.4663
H4	1.0830	2.1140	1.8479		2.4663	3.0818
H5	2.1140	1.0830	3.0818	2.4663		1.8479
H6	2.1140	1.0830	2.4663	3.0818	1.8479

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.444	C1	C2	H6	121.444
C2	C1	H3	121.444	C2	C1	H4	121.444
H3	C1	H4	117.111	H5	C2	H6	117.111

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP4/cc-pCVTZ

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/cc-pCVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)