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	hartrees
Energy at 0K	-10365.813951
Energy at 298.15K
HF Energy	-10365.162293
Nuclear repulsion energy	1483.243754

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1693	1566	12.01
2	A_g	284	263	78.34
3	A_g	157	146	78.89
4	A_u	59	55	78.92
5	B_1u	677	627	13.51
6	B_1u	203	188	58.77
7	B_2g	527	488	12.12
8	B_2u	822	761	13.07
9	B_2u	128	118	68.89
10	B_3g	964	892	12.27
11	B_3g	225	208	71.02
12	B_3u	270	250	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
Br3	1.577	1.688
Br4	-1.577	1.688
Br5	-1.577	-1.688
Br6	1.577	-1.688

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3326	1.8793	1.8793	2.8341	2.8341
C2	1.3326		2.8341	2.8341	1.8793	1.8793
Br3	1.8793	2.8341		3.1540	4.6207	3.3769
Br4	1.8793	2.8341	3.1540		3.3769	4.6207
Br5	2.8341	1.8793	4.6207	3.3769		3.1540
Br6	2.8341	1.8793	3.3769	4.6207	3.1540

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.949	C1	C2	Br6	122.949
C2	C1	Br3	122.949	C2	C1	Br4	122.949
Br3	C1	Br4	114.101	Br5	C2	Br6	114.101

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CISD/6-311G*

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: CISD/6-311G*

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)