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	hartrees
Energy at 0K	-10366.795986
Energy at 298.15K
HF Energy	-10365.547222
Nuclear repulsion energy	1484.308776

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1625	1553	12.02
2	A_g	277	265	78.25
3	A_g	149	142	78.89
4	A_u	58	56	78.92
5	B_1u	659	630	13.56
6	B_1u	194	185	57.89
7	B_2g	510	487	12.12
8	B_2u	807	771	13.07
9	B_2u	121	115	68.89
10	B_3g	929	888	12.29
11	B_3g	219	209	70.39
12	B_3u	257	246	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.670
C2	0.000	-0.670
Br3	1.579	1.684
Br4	-1.579	1.684
Br5	-1.579	-1.684
Br6	1.579	-1.684

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3396	1.8764	1.8764	2.8343	2.8343
C2	1.3396		2.8343	2.8343	1.8764	1.8764
Br3	1.8764	2.8343		3.1571	4.6167	3.3685
Br4	1.8764	2.8343	3.1571		3.3685	4.6167
Br5	2.8343	1.8764	4.6167	3.3685		3.1571
Br6	2.8343	1.8764	3.3685	4.6167	3.1571

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.726	C1	C2	Br6	122.726
C2	C1	Br3	122.726	C2	C1	Br4	122.726
Br3	C1	Br4	114.547	Br5	C2	Br6	114.547

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: QCISD/cc-pVTZ

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/cc-pVTZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)