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	hartrees
Energy at 0K	-10365.363747
Energy at 298.15K
HF Energy	-10365.363747
Nuclear repulsion energy	1485.666342

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	1757	1593	0.00	117.22	0.41	0.58
2	A_g	288	261	0.00	13.94	0.13	0.22
3	A_g	159	145	0.00	2.21	0.53	0.69
4	A_u	62	57	0.00	0.00	0.00	0.00
5	B_1u	691	626	27.78	0.00	0.00	0.00
6	B_1u	206	187	0.06	0.00	0.00	0.00
7	B_2g	583	528	0.00	1.41	0.75	0.86
8	B_2u	834	756	82.57	0.00	0.00	0.00
9	B_2u	130	118	0.20	0.00	0.00	0.00
10	B_3g	982	890	0.00	13.51	0.75	0.86
11	B_3g	231	209	0.00	3.57	0.75	0.86
12	B_3u	281	255	0.77	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.658
C2	0.000	-0.658
Br3	1.572	1.688
Br4	-1.572	1.688
Br5	-1.572	-1.688
Br6	1.572	-1.688

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3169	1.8794	1.8794	2.8246	2.8246
C2	1.3169		2.8246	2.8246	1.8794	1.8794
Br3	1.8794	2.8246		3.1443	4.6138	3.3764
Br4	1.8794	2.8246	3.1443		3.3764	4.6138
Br5	2.8246	1.8794	4.6138	3.3764		3.1443
Br6	2.8246	1.8794	3.3764	4.6138	3.1443

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	123.225	C1	C2	Br6	123.225
C2	C1	Br3	123.225	C2	C1	Br4	123.225
Br3	C1	Br4	113.550	Br5	C2	Br6	113.550

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: HF/Def2TZVPP

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	-0.003
2	C	-0.003
3	Br	0.001
4	Br	0.001
5	Br	0.001
6	Br	0.001

<r²>	802.208
(<r²>)^1/2	28.323

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: HF/Def2TZVPP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)