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	hartrees
Energy at 0K	-1739.145906
Energy at 298.15K
HF Energy	-1737.728928
Nuclear repulsion energy	848.121935

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1653	1653	12.02
2	A_g	278	278	78.29
3	A_g	149	149	78.90
4	A_u	59	59	78.92
5	B_1u	664	664	13.56
6	B_1u	194	194	57.94
7	B_2g	523	523	12.12
8	B_2u	811	811	13.08
9	B_2u	121	121	68.81
10	B_3g	935	935	12.29
11	B_3g	220	220	70.39
12	B_3u	260	260	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
Br3	1.572	1.678
Br4	-1.572	1.678
Br5	-1.572	-1.678
Br6	1.572	-1.678

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3315	1.8692	1.8692	2.8218	2.8218
C2	1.3315		2.8218	2.8218	1.8692	1.8692
Br3	1.8692	2.8218		3.1430	4.5978	3.3558
Br4	1.8692	2.8218	3.1430		3.3558	4.5978
Br5	2.8218	1.8692	4.5978	3.3558		3.1430
Br6	2.8218	1.8692	3.3558	4.5978	3.1430

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.784	C1	C2	Br6	122.784
C2	C1	Br3	122.784	C2	C1	Br4	122.784
Br3	C1	Br4	114.433	Br5	C2	Br6	114.433

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCSD=FULL/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: CCSD=FULL/cc-pVTZ-PP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)