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	hartrees
Energy at 0K	-10373.084438
Energy at 298.15K
HF Energy	-10373.084438
Nuclear repulsion energy	1458.946436

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	1499	1494	0.00	56.59	0.31	0.47
2	A_g	251	250	0.00	16.27	0.09	0.17
3	A_g	140	139	0.00	2.12	0.52	0.68
4	A_u	52	52	0.00	0.00	0.00	0.00
5	B_1u	593	591	34.61	0.00	0.00	0.00
6	B_1u	181	180	0.15	0.00	0.00	0.00
7	B_2g	459	458	0.00	0.29	0.75	0.86
8	B_2u	688	686	135.48	0.00	0.00	0.00
9	B_2u	112	112	0.14	0.00	0.00	0.00
10	B_3g	802	800	0.00	5.09	0.75	0.86
11	B_3g	200	199	0.00	2.35	0.75	0.86
12	B_3u	237	237	1.65	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
Br3	1.605	1.714
Br4	-1.605	1.714
Br5	-1.605	-1.714
Br6	1.605	-1.714

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3476	1.9130	1.9130	2.8775	2.8775
C2	1.3476		2.8775	2.8775	1.9130	1.9130
Br3	1.9130	2.8775		3.2104	4.6972	3.4288
Br4	1.9130	2.8775	3.2104		3.4288	4.6972
Br5	2.8775	1.9130	4.6972	3.4288		3.2104
Br6	2.8775	1.9130	3.4288	4.6972	3.2104

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.955	C1	C2	Br6	122.955
C2	C1	Br3	122.955	C2	C1	Br4	122.955
Br3	C1	Br4	114.090	Br5	C2	Br6	114.090

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: BLYP/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	-0.178
2	C	-0.178
3	Br	0.089
4	Br	0.089
5	Br	0.089
6	Br	0.089

<r²>	829.417
(<r²>)^1/2	28.800

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: BLYP/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)