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	hartrees
Energy at 0K	-1739.142244
Energy at 298.15K
HF Energy	-1737.727693
Nuclear repulsion energy	851.592397

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	1570	1570	0.00	10.87	0.23	0.38
2	A_g	281	281	0.00	8.50	0.14	0.24
3	A_g	148	148	0.00	1.93	0.63	0.77
4	A_u	59	59	0.00	0.00	0.75	0.86
5	B_1u	664	664	23.30	0.00	0.41	0.59
6	B_1u	194	194	0.10	0.00	0.00	0.00
7	B_2g	499	499	0.00	0.09	0.75	0.86
8	B_2u	820	820	98.56	0.00	0.00	0.00
9	B_2u	120	120	0.12	0.00	0.00	0.00
10	B_3g	923	923	0.00	0.09	0.75	0.86
11	B_3g	221	221	0.00	2.06	0.75	0.86
12	B_3u	254	254	2.30	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.672
C2	0.000	-0.672
Br3	1.569	1.667
Br4	-1.569	1.667
Br5	-1.569	-1.667
Br6	1.569	-1.667

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3441	1.8575	1.8575	2.8162	2.8162
C2	1.3441		2.8162	2.8162	1.8575	1.8575
Br3	1.8575	2.8162		3.1374	4.5778	3.3336
Br4	1.8575	2.8162	3.1374		3.3336	4.5778
Br5	2.8162	1.8575	4.5778	3.3336		3.1374
Br6	2.8162	1.8575	3.3336	4.5778	3.1374

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.380	C1	C2	Br6	122.380
C2	C1	Br3	122.380	C2	C1	Br4	122.380
Br3	C1	Br4	115.241	Br5	C2	Br6	115.241

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: MP2=FULL/cc-pVTZ-PP

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 C2Br4 (tetrabromoethene)

using model chemistry: MP2=FULL/cc-pVTZ-PP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)