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	hartrees
Energy at 0K	-10356.013469
Energy at 298.15K
HF Energy	-10355.232592
Nuclear repulsion energy	1469.889492

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	1595	1513
2	A_g	265	251
3	A_g	151	143
4	A_u	57	54
5	B_1u	629	596
6	B_1u	192	182
7	B_2g	451	428
8	B_2u	762	723
9	B_2u	124	117
10	B_3g	889	844
11	B_3g	212	201
12	B_3u	241	229

Atom	y (Å)	z (Å)
C1	0.000	0.675
C2	0.000	-0.675
Br3	1.597	1.698
Br4	-1.597	1.698
Br5	-1.597	-1.698
Br6	1.597	-1.698

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3505	1.8961	1.8961	2.8602	2.8602
C2	1.3505		2.8602	2.8602	1.8961	1.8961
Br3	1.8961	2.8602		3.1934	4.6613	3.3956
Br4	1.8961	2.8602	3.1934		3.3956	4.6613
Br5	2.8602	1.8961	4.6613	3.3956		3.1934
Br6	2.8602	1.8961	3.3956	4.6613	3.1934

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.637	C1	C2	Br6	122.637
C2	C1	Br3	122.637	C2	C1	Br4	122.637
Br3	C1	Br4	114.726	Br5	C2	Br6	114.726

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCSD(T)/6-31G**

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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All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: CCSD(T)/6-31G**

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)