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	hartrees
Energy at 0K	-10374.196834
Energy at 298.15K
HF Energy	-10374.196834
Nuclear repulsion energy	1492.312928

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	1614	1614	0.00	74.43	0.30	0.46
2	A_g	278	278	0.00	11.42	0.12	0.22
3	A_g	145	145	0.00	2.23	0.58	0.73
4	A_u	59	59	0.00	0.00	0.00	0.00
5	B_1u	657	657	30.13	0.00	0.00	0.00
6	B_1u	190	190	0.08	0.00	0.00	0.00
7	B_2g	510	510	0.00	0.23	0.75	0.86
8	B_2u	794	794	114.13	0.00	0.00	0.00
9	B_2u	117	117	0.15	0.00	0.00	0.00
10	B_3g	904	904	0.00	1.75	0.75	0.86
11	B_3g	219	219	0.00	2.36	0.75	0.86
12	B_3u	253	253	1.58	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.667
C2	0.000	-0.667
Br3	1.573	1.672
Br4	-1.573	1.672
Br5	-1.573	-1.672
Br6	1.573	-1.672

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3332	1.8669	1.8669	2.8183	2.8183
C2	1.3332		2.8183	2.8183	1.8669	1.8669
Br3	1.8669	2.8183		3.1463	4.5912	3.3437
Br4	1.8669	2.8183	3.1463		3.3437	4.5912
Br5	2.8183	1.8669	4.5912	3.3437		3.1463
Br6	2.8183	1.8669	3.3437	4.5912	3.1463

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.578	C1	C2	Br6	122.578
C2	C1	Br3	122.578	C2	C1	Br4	122.578
Br3	C1	Br4	114.844	Br5	C2	Br6	114.844

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B1B95/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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Number	Element	Mulliken
1	C	-0.032
2	C	-0.032
3	Br	0.016
4	Br	0.016
5	Br	0.016
6	Br	0.016

<r²>	794.002
(<r²>)^1/2	28.178

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B1B95/Def2TZVPP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)