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	hartrees
Energy at 0K	-1743.871421
Energy at 298.15K
HF Energy	-1743.871421
Nuclear repulsion energy	838.408442

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	1580	1580	0.00	52.85	0.33	0.49
2	A_g	264	264	0.00	13.32	0.12	0.21
3	A_g	144	144	0.00	2.51	0.60	0.75
4	A_u	55	55	0.00	0.00	0.00	0.00
5	B_1u	627	627	31.33	0.00	0.00	0.00
6	B_1u	187	187	0.14	0.00	0.00	0.00
7	B_2g	492	492	0.00	0.55	0.75	0.86
8	B_2u	740	740	119.40	0.00	0.00	0.00
9	B_2u	116	116	0.15	0.00	0.00	0.00
10	B_3g	860	860	0.00	4.05	0.75	0.86
11	B_3g	210	210	0.00	2.82	0.75	0.86
12	B_3u	248	248	2.17	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
Br3	1.589	1.699
Br4	-1.589	1.699
Br5	-1.589	-1.699
Br6	1.589	-1.699

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3354	1.8938	1.8938	2.8502	2.8502
C2	1.3354		2.8502	2.8502	1.8938	1.8938
Br3	1.8938	2.8502		3.1773	4.6516	3.3974
Br4	1.8938	2.8502	3.1773		3.3974	4.6516
Br5	2.8502	1.8938	4.6516	3.3974		3.1773
Br6	2.8502	1.8938	3.3974	4.6516	3.1773

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.982	C1	C2	Br6	122.982
C2	C1	Br3	122.982	C2	C1	Br4	122.982
Br3	C1	Br4	114.035	Br5	C2	Br6	114.035

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B3LYP/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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Number	Element	Mulliken
1	C	-0.115
2	C	-0.115
3	Br	0.058
4	Br	0.058
5	Br	0.058
6	Br	0.058

<r²>	596.701
(<r²>)^1/2	24.427

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B3LYP/cc-pVTZ-PP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)