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	hartrees
Energy at 0K	-10323.049729
Energy at 298.15K
HF Energy	-10323.049729
Nuclear repulsion energy	1468.320405

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	1711	1711	0.00	28.06	0.19	0.32
2	A_g	271	271	0.00	12.24	0.21	0.34
3	A_g	154	154	0.00	4.52	0.70	0.82
4	A_u	61	61	0.00	0.00	0.00	0.00
5	B_1u	656	656	26.28	0.00	0.00	0.00
6	B_1u	196	196	0.07	0.00	0.00	0.00
7	B_2g	622	622	0.00	3.46	0.75	0.86
8	B_2u	810	810	105.08	0.00	0.00	0.00
9	B_2u	129	129	0.26	0.00	0.00	0.00
10	B_3g	953	953	0.00	10.75	0.75	0.86
11	B_3g	230	230	0.00	4.05	0.75	0.86
12	B_3u	278	278	4.42	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.661
C2	0.000	-0.661
Br3	1.600	1.697
Br4	-1.600	1.697
Br5	-1.600	-1.697
Br6	1.600	-1.697

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3212	1.9069	1.9069	2.8498	2.8498
C2	1.3212		2.8498	2.8498	1.9069	1.9069
Br3	1.9069	2.8498		3.2009	4.6658	3.3948
Br4	1.9069	2.8498	3.2009		3.3948	4.6658
Br5	2.8498	1.9069	4.6658	3.3948		3.2009
Br6	2.8498	1.9069	3.3948	4.6658	3.2009

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.936	C1	C2	Br6	122.936
C2	C1	Br3	122.936	C2	C1	Br4	122.936
Br3	C1	Br4	114.127	Br5	C2	Br6	114.127

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: wB97X-D/3-21G

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	-0.556
2	C	-0.556
3	Br	0.278
4	Br	0.278
5	Br	0.278
6	Br	0.278

<r²>	818.009
(<r²>)^1/2	28.601

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: wB97X-D/3-21G

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)