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	hartrees
Energy at 0K	-10356.984802
Energy at 298.15K
HF Energy	-10355.963200
Nuclear repulsion energy	1493.667103

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	1587	1587
2	A_g	283	283
3	A_g	151	151
4	A_u	59	59
5	B_1u	657	657
6	B_1u	196	196
7	B_2g	482	482
8	B_2u	827	827
9	B_2u	123	123
10	B_3g	939	939
11	B_3g	220	220
12	B_3u	251	251

Atom	y (Å)	z (Å)
C1	0.000	0.675
C2	0.000	-0.675
Br3	1.572	1.670
Br4	-1.572	1.670
Br5	-1.572	-1.670
Br6	1.572	-1.670

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3504	1.8603	1.8603	2.8233	2.8233
C2	1.3504		2.8233	2.8233	1.8603	1.8603
Br3	1.8603	2.8233		3.1438	4.5870	3.3402
Br4	1.8603	2.8233	3.1438		3.3402	4.5870
Br5	2.8233	1.8603	4.5870	3.3402		3.1438
Br6	2.8233	1.8603	3.3402	4.5870	3.1438

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.331	C1	C2	Br6	122.331
C2	C1	Br3	122.331	C2	C1	Br4	122.331
Br3	C1	Br4	115.338	Br5	C2	Br6	115.338

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCSD(T)/6-31G(2df,p)

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(2df,p)

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)