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	hartrees
Energy at 0K	-10371.438142
Energy at 298.15K
HF Energy	-10370.948148
Nuclear repulsion energy	1483.198377

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	1580	1515	0.00	58.83	0.28	0.44
2	A_g	272	261	0.00	12.64	0.10	0.18
3	A_g	147	141	0.00	1.86	0.52	0.69
4	A_u	58	56	0.00	0.00	0.00	0.00
5	B_1u	643	617	26.97	0.00	0.00	0.00
6	B_1u	191	184	0.11	0.00	0.45	0.62
7	B_2g	505	484	0.00	0.37	0.75	0.86
8	B_2u	775	744	104.07	0.00	0.00	0.00
9	B_2u	119	114	0.13	0.00	0.00	0.00
10	B_3g	890	854	0.00	2.35	0.75	0.86
11	B_3g	216	208	0.00	2.04	0.75	0.86
12	B_3u	254	244	1.36	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
Br3	1.581	1.684
Br4	-1.581	1.684
Br5	-1.581	-1.684
Br6	1.581	-1.684

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3380	1.8788	1.8788	2.8350	2.8350
C2	1.3380		2.8350	2.8350	1.8788	1.8788
Br3	1.8788	2.8350		3.1616	4.6199	3.3687
Br4	1.8788	2.8350	3.1616		3.3687	4.6199
Br5	2.8350	1.8788	4.6199	3.3687		3.1616
Br6	2.8350	1.8788	3.3687	4.6199	3.1616

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.713	C1	C2	Br6	122.713
C2	C1	Br3	122.713	C2	C1	Br4	122.713
Br3	C1	Br4	114.574	Br5	C2	Br6	114.574

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B2PLYP=FULLultrafine/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	-0.114
2	C	-0.114
3	Br	0.057
4	Br	0.057
5	Br	0.057
6	Br	0.057

<r²>	804.084
(<r²>)^1/2	28.356

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B2PLYP=FULLultrafine/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)