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	hartrees
Energy at 0K	-10365.230499
Energy at 298.15K
HF Energy	-10365.230499
Nuclear repulsion energy	1480.234766

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	1768	1609	0.00	115.49	0.41	0.58
2	A_g	287	261	0.00	15.82	0.11	0.20
3	A_g	159	145	0.00	2.16	0.49	0.66
4	A_u	61	56	0.00	0.00	0.00	0.00
5	B_1u	686	625	28.64	0.00	0.00	0.00
6	B_1u	205	187	0.07	0.00	0.00	0.00
7	B_2g	545	497	0.00	1.08	0.75	0.86
8	B_2u	829	755	85.18	0.00	0.38	0.55
9	B_2u	129	117	0.20	0.00	0.00	0.00
10	B_3g	977	890	0.00	15.62	0.75	0.86
11	B_3g	230	209	0.00	3.40	0.75	0.86
12	B_3u	274	250	0.79	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.663
C2	0.000	-0.663
Br3	1.577	1.695
Br4	-1.577	1.695
Br5	-1.577	-1.695
Br6	1.577	-1.695

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3254	1.8851	1.8851	2.8368	2.8368
C2	1.3254		2.8368	2.8368	1.8851	1.8851
Br3	1.8851	2.8368		3.1542	4.6309	3.3907
Br4	1.8851	2.8368	3.1542		3.3907	4.6309
Br5	2.8368	1.8851	4.6309	3.3907		3.1542
Br6	2.8368	1.8851	3.3907	4.6309	3.1542

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	123.216	C1	C2	Br6	123.216
C2	C1	Br3	123.216	C2	C1	Br4	123.216
Br3	C1	Br4	113.568	Br5	C2	Br6	113.568

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: HF/aug-cc-pVDZ

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	-0.786
2	C	-0.786
3	Br	0.393
4	Br	0.393
5	Br	0.393
6	Br	0.393

<r²>	808.022
(<r²>)^1/2	28.426

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: HF/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)