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	hartrees
Energy at 0K	-10371.469331
Energy at 298.15K
HF Energy	-10371.469331
Nuclear repulsion energy	1488.470971

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	1604	1604	0.00	76.47	0.29	0.45
2	A_g	278	278	0.00	11.27	0.12	0.22
3	A_g	147	147	0.00	2.14	0.58	0.73
4	A_u	58	58	0.00	0.00	0.00	0.00
5	B_1u	656	656	30.44	0.00	0.00	0.00
6	B_1u	192	192	0.10	0.00	0.00	0.00
7	B_2g	510	510	0.00	0.24	0.75	0.86
8	B_2u	788	788	115.22	0.00	0.00	0.00
9	B_2u	118	118	0.16	0.00	0.00	0.00
10	B_3g	902	902	0.00	1.42	0.75	0.86
11	B_3g	218	218	0.00	2.31	0.75	0.86
12	B_3u	254	254	1.73	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
Br3	1.576	1.678
Br4	-1.576	1.678
Br5	-1.576	-1.678
Br6	1.576	-1.678

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3365	1.8713	1.8713	2.8262	2.8262
C2	1.3365		2.8262	2.8262	1.8713	1.8713
Br3	1.8713	2.8262		3.1511	4.6035	3.3560
Br4	1.8713	2.8262	3.1511		3.3560	4.6035
Br5	2.8262	1.8713	4.6035	3.3560		3.1511
Br6	2.8262	1.8713	3.3560	4.6035	3.1511

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.655	C1	C2	Br6	122.655
C2	C1	Br3	122.655	C2	C1	Br4	122.655
Br3	C1	Br4	114.690	Br5	C2	Br6	114.690

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: HSEh1PBE/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	-0.028
2	C	-0.028
3	Br	0.014
4	Br	0.014
5	Br	0.014
6	Br	0.014

<r²>	798.208
(<r²>)^1/2	28.253

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: HSEh1PBE/Def2TZVPP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)