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	hartrees
Energy at 0K	-1739.033067
Energy at 298.15K
HF Energy	-1737.728232
Nuclear repulsion energy	843.367032

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	1576	1576
2	A_g	271	271
3	A_g	145	145
4	A_u	56	56
5	B_1u	645	645
6	B_1u	189	189
7	B_2g	474	474
8	B_2u	791	791
9	B_2u	117	117
10	B_3g	906	906
11	B_3g	215	215
12	B_3u	247	247

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
Br3	1.582	1.686
Br4	-1.582	1.686
Br5	-1.582	-1.686
Br6	1.582	-1.686

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3470	1.8779	1.8779	2.8404	2.8404
C2	1.3470		2.8404	2.8404	1.8779	1.8779
Br3	1.8779	2.8404		3.1634	4.6232	3.3715
Br4	1.8779	2.8404	3.1634		3.3715	4.6232
Br5	2.8404	1.8779	4.6232	3.3715		3.1634
Br6	2.8404	1.8779	3.3715	4.6232	3.1634

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.618	C1	C2	Br6	122.618
C2	C1	Br3	122.618	C2	C1	Br4	122.618
Br3	C1	Br4	114.763	Br5	C2	Br6	114.763

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: QCISD(T)/cc-pVTZ-PP

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: QCISD(T)/cc-pVTZ-PP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)