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	hartrees
Energy at 0K	-78.357047
Energy at 298.15K	-78.360206
HF Energy	-78.039586
Nuclear repulsion energy	32.963555

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3169	3169
2	A_g	1670	1670
3	A_g	1361	1361
4	A_u	1043	1043
5	B_1u	3149	3149
6	B_1u	1463	1463
7	B_2g	915	915
8	B_2u	3268	3268
9	B_2u	820	820
10	B_3g	3242	3242
11	B_3g	1231	1231
12	B_3u	956	956

Atom	y (Å)	z (Å)
C1	0.000	0.675
C2	0.000	-0.675
H3	0.936	1.247
H4	-0.936	1.247
H5	-0.936	-1.247
H6	0.936	-1.247

	C1	C2	H3	H4	H5	H6
C1		1.3494	1.0972	1.0972	2.1379	2.1379
C2	1.3494		2.1379	2.1379	1.0972	1.0972
H3	1.0972	2.1379		1.8716	3.1190	2.4950
H4	1.0972	2.1379	1.8716		2.4950	3.1190
H5	2.1379	1.0972	3.1190	2.4950		1.8716
H6	2.1379	1.0972	2.4950	3.1190	1.8716

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.470	C1	C2	H6	121.470
C2	C1	H3	121.470	C2	C1	H4	121.470
H3	C1	H4	117.060	H5	C2	H6	117.060

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP4/cc-pCVDZ

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-pCVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)