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	hartrees
Energy at 0K	-78.389205
Energy at 298.15K	-78.392381
HF Energy	-78.040265
Nuclear repulsion energy	33.104741

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3208	3062	0.00
2	A_g	1689	1613	0.00
3	A_g	1378	1315	0.00
4	A_u	1068	1020	0.00
5	B_1u	3189	3044	9.43
6	B_1u	1470	1403	6.50
7	B_2g	939	896	0.00
8	B_2u	3314	3164	16.42
9	B_2u	828	791	0.49
10	B_3g	3288	3139	0.00
11	B_3g	1238	1182	0.00
12	B_3u	975	931	81.50

Atom	y (Å)	z (Å)
C1	0.000	0.671
C2	0.000	-0.671
H3	0.934	1.241
H4	-0.934	1.241
H5	-0.934	-1.241
H6	0.934	-1.241

	C1	C2	H3	H4	H5	H6
C1		1.3430	1.0933	1.0933	2.1278	2.1278
C2	1.3430		2.1278	2.1278	1.0933	1.0933
H3	1.0933	2.1278		1.8670	3.1051	2.4811
H4	1.0933	2.1278	1.8670		2.4811	3.1051
H5	2.1278	1.0933	3.1051	2.4811		1.8670
H6	2.1278	1.0933	2.4811	3.1051	1.8670

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.365	C1	C2	H6	121.365
C2	C1	H3	121.365	C2	C1	H4	121.365
H3	C1	H4	117.269	H5	C2	H6	117.269

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP2=FULL/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: MP2=FULL/cc-pCVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)