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	hartrees
Energy at 0K	-10373.109374
Energy at 298.15K
HF Energy	-10373.109374
Nuclear repulsion energy	1474.414205

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	1575	1524	0.00	70.34	0.30	0.47
2	A_g	266	257	0.00	14.02	0.10	0.18
3	A_g	145	140	0.00	1.99	0.51	0.68
4	A_u	55	54	0.00	0.00	0.00	0.00
5	B_1u	629	608	30.97	0.00	0.00	0.00
6	B_1u	189	182	0.13	0.00	0.00	0.00
7	B_2g	497	481	0.00	0.53	0.75	0.86
8	B_2u	742	718	116.05	0.00	0.00	0.00
9	B_2u	117	113	0.14	0.00	0.00	0.00
10	B_3g	861	833	0.00	3.98	0.75	0.86
11	B_3g	211	204	0.00	2.23	0.75	0.86
12	B_3u	249	241	1.38	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
Br3	1.588	1.697
Br4	-1.588	1.697
Br5	-1.588	-1.697
Br6	1.588	-1.697

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3361	1.8921	1.8921	2.8485	2.8485
C2	1.3361		2.8485	2.8485	1.8921	1.8921
Br3	1.8921	2.8485		3.1760	4.6480	3.3936
Br4	1.8921	2.8485	3.1760		3.3936	4.6480
Br5	2.8485	1.8921	4.6480	3.3936		3.1760
Br6	2.8485	1.8921	3.3936	4.6480	3.1760

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.937	C1	C2	Br6	122.937
C2	C1	Br3	122.937	C2	C1	Br4	122.937
Br3	C1	Br4	114.126	Br5	C2	Br6	114.126

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

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	-0.154
2	C	-0.154
3	Br	0.077
4	Br	0.077
5	Br	0.077
6	Br	0.077

<r²>	813.042
(<r²>)^1/2	28.514

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)