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	hartrees
Energy at 0K	-10372.831905
Energy at 298.15K
HF Energy	-10372.831905
Nuclear repulsion energy	1482.755763

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	1628	1628	0.00	69.05	0.30	0.47
2	A_g	277	277	0.00	10.97	0.17	0.30
3	A_g	152	152	0.00	3.02	0.65	0.79
4	A_u	58	58	0.00	0.00	0.00	0.00
5	B_1u	657	657	30.46	0.00	0.00	0.00
6	B_1u	197	197	0.25	0.00	0.00	0.00
7	B_2g	509	509	0.00	0.70	0.75	0.86
8	B_2u	783	783	122.83	0.00	0.00	0.00
9	B_2u	124	124	0.20	0.00	0.00	0.00
10	B_3g	910	910	0.00	1.45	0.75	0.86
11	B_3g	218	218	0.00	3.22	0.75	0.86
12	B_3u	256	256	2.96	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
Br3	1.582	1.684
Br4	-1.582	1.684
Br5	-1.582	-1.684
Br6	1.582	-1.684

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3369	1.8800	1.8800	2.8349	2.8349
C2	1.3369		2.8349	2.8349	1.8800	1.8800
Br3	1.8800	2.8349		3.1644	4.6210	3.3676
Br4	1.8800	2.8349	3.1644		3.3676	4.6210
Br5	2.8349	1.8800	4.6210	3.3676		3.1644
Br6	2.8349	1.8800	3.3676	4.6210	3.1644

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.689	C1	C2	Br6	122.689
C2	C1	Br3	122.689	C2	C1	Br4	122.689
Br3	C1	Br4	114.623	Br5	C2	Br6	114.623

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: M06-2X/6-311G**

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	-0.240
2	C	-0.240
3	Br	0.120
4	Br	0.120
5	Br	0.120
6	Br	0.120

<r²>	804.267
(<r²>)^1/2	28.360

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: M06-2X/6-311G**

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)