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	hartrees
Energy at 0K	-10355.978503
Energy at 298.15K
HF Energy	-10355.233467
Nuclear repulsion energy	1474.346220

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1650	1547	12.01
2	A_g	270	254	78.40
3	A_g	154	144	78.90
4	A_u	59	55	78.92
5	B_1u	644	604	13.50
6	B_1u	196	184	59.04
7	B_2g	488	458	12.12
8	B_2u	779	731	13.08
9	B_2u	126	118	68.79
10	B_3g	915	858	12.26
11	B_3g	217	203	71.55
12	B_3u	251	235	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.671
C2	0.000	-0.671
Br3	1.590	1.694
Br4	-1.590	1.694
Br5	-1.590	-1.694
Br6	1.590	-1.694

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3419	1.8912	1.8912	2.8502	2.8502
C2	1.3419		2.8502	2.8502	1.8912	1.8912
Br3	1.8912	2.8502		3.1807	4.6476	3.3887
Br4	1.8912	2.8502	3.1807		3.3887	4.6476
Br5	2.8502	1.8912	4.6476	3.3887		3.1807
Br6	2.8502	1.8912	3.3887	4.6476	3.1807

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.761	C1	C2	Br6	122.761
C2	C1	Br3	122.761	C2	C1	Br4	122.761
Br3	C1	Br4	114.478	Br5	C2	Br6	114.478

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCD/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: CCD/6-31G**

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)