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	hartrees
Energy at 0K	-78.400639
Energy at 298.15K	-78.403810
HF Energy	-78.066346
Nuclear repulsion energy	33.429150

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	3199	3044	0.00	205.97	0.12	0.22
2	A_g	1684	1602	0.00	9.41	0.00	0.00
3	A_g	1386	1319	0.00	28.27	0.29	0.45
4	A_u	1072	1020	0.00	0.00	0.00	0.00
5	B_1u	3180	3026	9.28	0.00	0.12	0.22
6	B_1u	1487	1414	8.94	0.00	0.00	0.00
7	B_2g	945	900	0.00	1.36	0.75	0.86
8	B_2u	3297	3137	13.42	0.00	0.43	0.60
9	B_2u	831	791	0.11	0.00	0.50	0.67
10	B_3g	3269	3111	0.00	101.09	0.75	0.86
11	B_3g	1246	1186	0.00	0.48	0.75	0.86
12	B_3u	981	933	95.45	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.923	1.228
H4	-0.923	1.228
H5	-0.923	-1.228
H6	0.923	-1.228

	C1	C2	H3	H4	H5	H6
C1		1.3324	1.0804	1.0804	2.1072	2.1072
C2	1.3324		2.1072	2.1072	1.0804	1.0804
H3	1.0804	2.1072		1.8453	3.0724	2.4565
H4	1.0804	2.1072	1.8453		2.4565	3.0724
H5	2.1072	1.0804	3.0724	2.4565		1.8453
H6	2.1072	1.0804	2.4565	3.0724	1.8453

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.348	C1	C2	H6	121.348
C2	C1	H3	121.348	C2	C1	H4	121.348
H3	C1	H4	117.304	H5	C2	H6	117.304

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)