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	hartrees
Energy at 0K	-10372.882144
Energy at 298.15K
HF Energy	-10372.882144
Nuclear repulsion energy	1454.283029

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	1499	1496	0.00	55.39	0.29	0.45
2	A_g	248	248	0.00	14.45	0.17	0.30
3	A_g	140	140	0.00	3.35	0.63	0.77
4	A_u	51	51	0.00	0.00	0.00	0.00
5	B_1u	587	586	38.14	0.00	0.00	0.00
6	B_1u	181	181	0.26	0.00	0.00	0.00
7	B_2g	458	457	0.00	0.25	0.75	0.86
8	B_2u	678	676	156.94	0.00	0.00	0.00
9	B_2u	112	112	0.17	0.00	0.00	0.00
10	B_3g	802	800	0.00	3.98	0.75	0.86
11	B_3g	198	197	0.00	3.82	0.75	0.86
12	B_3u	238	237	3.28	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.675
C2	0.000	-0.675
Br3	1.611	1.719
Br4	-1.611	1.719
Br5	-1.611	-1.719
Br6	1.611	-1.719

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3491	1.9201	1.9201	2.8852	2.8852
C2	1.3491		2.8852	2.8852	1.9201	1.9201
Br3	1.9201	2.8852		3.2227	4.7120	3.4375
Br4	1.9201	2.8852	3.2227		3.4375	4.7120
Br5	2.8852	1.9201	4.7120	3.4375		3.2227
Br6	2.8852	1.9201	3.4375	4.7120	3.2227

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.945	C1	C2	Br6	122.945
C2	C1	Br3	122.945	C2	C1	Br4	122.945
Br3	C1	Br4	114.111	Br5	C2	Br6	114.111

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: BLYP/TZVP

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	-0.049
2	C	-0.049
3	Br	0.024
4	Br	0.024
5	Br	0.024
6	Br	0.024

<r²>	834.098
(<r²>)^1/2	28.881

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: BLYP/TZVP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)