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	hartrees
Energy at 0K	-10356.100523
Energy at 298.15K
HF Energy	-10355.233668
Nuclear repulsion energy	1476.976328

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1650	1567	12.01
2	A_g	271	258	78.38
3	A_g	154	146	78.90
4	A_u	60	57	78.92
5	B_1u	646	614	13.50
6	B_1u	197	187	58.98
7	B_2g	504	478	12.12
8	B_2u	783	743	13.08
9	B_2u	126	120	68.76
10	B_3g	916	870	12.26
11	B_3g	218	207	71.51
12	B_3u	254	241	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.671
C2	0.000	-0.671
Br3	1.588	1.691
Br4	-1.588	1.691
Br5	-1.588	-1.691
Br6	1.588	-1.691

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3411	1.8875	1.8875	2.8457	2.8457
C2	1.3411		2.8457	2.8457	1.8875	1.8875
Br3	1.8875	2.8457		3.1758	4.6392	3.3818
Br4	1.8875	2.8457	3.1758		3.3818	4.6392
Br5	2.8457	1.8875	4.6392	3.3818		3.1758
Br6	2.8457	1.8875	3.3818	4.6392	3.1758

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.724	C1	C2	Br6	122.724
C2	C1	Br3	122.724	C2	C1	Br4	122.724
Br3	C1	Br4	114.552	Br5	C2	Br6	114.552

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCSD=FULL/6-31G*

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/6-31G*

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)