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	hartrees
Energy at 0K	-10361.288493
Energy at 298.15K
HF Energy	-10361.288493
Nuclear repulsion energy	1475.967043

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	1546	1523	0.00	45.39	0.28	0.44
2	A_g	265	261	0.00	12.41	0.13	0.24
3	A_g	146	144	0.00	2.62	0.65	0.79
4	A_u	57	57	0.00	0.00	0.00	0.00
5	B_1u	621	612	36.42	0.00	0.00	0.00
6	B_1u	188	186	0.14	0.00	0.00	0.00
7	B_2g	467	460	0.00	1.07	0.75	0.86
8	B_2u	743	732	146.77	0.00	0.00	0.00
9	B_2u	118	117	0.19	0.00	0.00	0.00
10	B_3g	850	838	0.00	0.42	0.75	0.86
11	B_3g	210	207	0.00	2.46	0.75	0.86
12	B_3u	240	237	2.34	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.678
C2	0.000	-0.678
Br3	1.592	1.689
Br4	-1.592	1.689
Br5	-1.592	-1.689
Br6	1.592	-1.689

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3555	1.8858	1.8858	2.8522	2.8522
C2	1.3555		2.8522	2.8522	1.8858	1.8858
Br3	1.8858	2.8522		3.1834	4.6418	3.3781
Br4	1.8858	2.8522	3.1834		3.3781	4.6418
Br5	2.8522	1.8858	4.6418	3.3781		3.1834
Br6	2.8522	1.8858	3.3781	4.6418	3.1834

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.431	C1	C2	Br6	122.431
C2	C1	Br3	122.431	C2	C1	Br4	122.431
Br3	C1	Br4	115.138	Br5	C2	Br6	115.138

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: PBEPBE/6-31G*

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	-0.015
2	C	-0.015
3	Br	0.007
4	Br	0.007
5	Br	0.007
6	Br	0.007

<r²>	809.893
(<r²>)^1/2	28.459

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: PBEPBE/6-31G*

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)