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	hartrees
Energy at 0K	-10366.110346
Energy at 298.15K
HF Energy	-10365.229282
Nuclear repulsion energy	1470.743139

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1617	1567	12.02
2	A_g	273	264	78.28
3	A_g	149	145	78.89
4	A_u	57	55	78.92
5	B_1u	648	627	13.52
6	B_1u	194	188	58.58
7	B_2g	452	438	12.12
8	B_2u	791	766	13.08
9	B_2u	122	118	68.79
10	B_3g	928	898	12.26
11	B_3g	218	212	71.41
12	B_3u	247	239	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.677
C2	0.000	-0.677
Br3	1.593	1.700
Br4	-1.593	1.700
Br5	-1.593	-1.700
Br6	1.593	-1.700

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3543	1.8931	1.8931	2.8615	2.8615
C2	1.3543		2.8615	2.8615	1.8931	1.8931
Br3	1.8931	2.8615		3.1861	4.6593	3.3997
Br4	1.8931	2.8615	3.1861		3.3997	4.6593
Br5	2.8615	1.8931	4.6593	3.3997		3.1861
Br6	2.8615	1.8931	3.3997	4.6593	3.1861

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.700	C1	C2	Br6	122.700
C2	C1	Br3	122.700	C2	C1	Br4	122.700
Br3	C1	Br4	114.600	Br5	C2	Br6	114.600

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)