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	hartrees
Energy at 0K	-129.627072
Energy at 298.15K
HF Energy	-129.627072
Nuclear repulsion energy	133.213528

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	1636	1636	0.00	43.80	0.30	0.46
2	A_g	264	264	0.00	15.68	0.22	0.37
3	A_g	150	150	0.00	5.42	0.63	0.77
4	A_u	61	61	0.00	0.00	0.00	0.00
5	B_1u	621	621	30.99	0.00	0.00	0.00
6	B_1u	198	198	0.33	0.00	0.00	0.00
7	B_2g	539	539	0.00	1.93	0.75	0.86
8	B_2u	770	770	134.29	0.00	0.00	0.00
9	B_2u	121	121	0.18	0.00	0.00	0.00
10	B_3g	893	893	0.00	13.87	0.75	0.86
11	B_3g	212	212	0.00	5.39	0.75	0.86
12	B_3u	279	279	5.61	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
Br3	1.610	1.726
Br4	-1.610	1.726
Br5	-1.610	-1.726
Br6	1.610	-1.726

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3478	1.9237	1.9237	2.8904	2.8904
C2	1.3478		2.8904	2.8904	1.9237	1.9237
Br3	1.9237	2.8904		3.2205	4.7215	3.4527
Br4	1.9237	2.8904	3.2205		3.4527	4.7215
Br5	2.8904	1.9237	4.7215	3.4527		3.2205
Br6	2.8904	1.9237	3.4527	4.7215	3.2205

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	123.168	C1	C2	Br6	123.168
C2	C1	Br3	123.168	C2	C1	Br4	123.168
Br3	C1	Br4	113.665	Br5	C2	Br6	113.665

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: wB97X-D/SDD

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	-0.363
2	C	-0.363
3	Br	0.181
4	Br	0.181
5	Br	0.181
6	Br	0.181

<r²>	204.827
(<r²>)^1/2	14.312

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: wB97X-D/SDD

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)