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	hartrees
Energy at 0K	-78.522595
Energy at 298.15K	-78.525788
HF Energy	-78.064602
Nuclear repulsion energy	33.534800

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3205	3205	0.00
2	A_g	1720	1720	0.00
3	A_g	1398	1398	0.00
4	A_u	1076	1076	0.00
5	B_1u	3188	3188	11.41
6	B_1u	1499	1499	9.39
7	B_2g	983	983	0.00
8	B_2u	3296	3296	17.91
9	B_2u	837	837	0.06
10	B_3g	3270	3270	0.00
11	B_3g	1261	1261	0.00
12	B_3u	994	994	93.95

Atom	y (Å)	z (Å)
C1	0.000	0.663
C2	0.000	-0.663
H3	0.920	1.227
H4	-0.920	1.227
H5	-0.920	-1.227
H6	0.920	-1.227

	C1	C2	H3	H4	H5	H6
C1		1.3259	1.0789	1.0789	2.1016	2.1016
C2	1.3259		2.1016	2.1016	1.0789	1.0789
H3	1.0789	2.1016		1.8398	3.0665	2.4533
H4	1.0789	2.1016	1.8398		2.4533	3.0665
H5	2.1016	1.0789	3.0665	2.4533		1.8398
H6	2.1016	1.0789	2.4533	3.0665	1.8398

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.500	C1	C2	H6	121.500
C2	C1	H3	121.500	C2	C1	H4	121.500
H3	C1	H4	117.000	H5	C2	H6	117.000

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP3=FULL/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: MP3=FULL/cc-pCVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)