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	hartrees
Energy at 0K	-10366.146992
Energy at 298.15K
HF Energy	-10365.228490
Nuclear repulsion energy	1467.162718

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	1569	1534
2	A_g	268	262
3	A_g	147	144
4	A_u	56	54
5	B_1u	635	621
6	B_1u	191	187
7	B_2g	421	412
8	B_2u	776	759
9	B_2u	120	117
10	B_3g	907	887
11	B_3g	215	210
12	B_3u	239	234

Atom	y (Å)	z (Å)
C1	0.000	0.681
C2	0.000	-0.681
Br3	1.598	1.702
Br4	-1.598	1.702
Br5	-1.598	-1.702
Br6	1.598	-1.702

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3621	1.8968	1.8968	2.8698	2.8698
C2	1.3621		2.8698	2.8698	1.8968	1.8968
Br3	1.8968	2.8698		3.1967	4.6703	3.4048
Br4	1.8968	2.8698	3.1967		3.4048	4.6703
Br5	2.8698	1.8968	4.6703	3.4048		3.1967
Br6	2.8698	1.8968	3.4048	4.6703	3.1967

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.579	C1	C2	Br6	122.579
C2	C1	Br3	122.579	C2	C1	Br4	122.579
Br3	C1	Br4	114.843	Br5	C2	Br6	114.843

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: QCISD(T)/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(T)/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)