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	hartrees
Energy at 0K	-10366.190611
Energy at 298.15K
HF Energy	-10365.228774
Nuclear repulsion energy	1469.717723

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	1575	1530
2	A_g	269	261
3	A_g	147	143
4	A_u	56	55
5	B_1u	637	618
6	B_1u	191	186
7	B_2g	440	427
8	B_2u	780	758
9	B_2u	120	117
10	B_3g	904	878
11	B_3g	216	209
12	B_3u	244	237

Atom	y (Å)	z (Å)
C1	0.000	0.680
C2	0.000	-0.680
Br3	1.596	1.699
Br4	-1.596	1.699
Br5	-1.596	-1.699
Br6	1.596	-1.699

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3603	1.8936	1.8936	2.8647	2.8647
C2	1.3603		2.8647	2.8647	1.8936	1.8936
Br3	1.8936	2.8647		3.1928	4.6620	3.3971
Br4	1.8936	2.8647	3.1928		3.3971	4.6620
Br5	2.8647	1.8936	4.6620	3.3971		3.1928
Br6	2.8647	1.8936	3.3971	4.6620	3.1928

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.536	C1	C2	Br6	122.536
C2	C1	Br3	122.536	C2	C1	Br4	122.536
Br3	C1	Br4	114.929	Br5	C2	Br6	114.929

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCSD(T)=FULL/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: CCSD(T)=FULL/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)