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	hartrees
Energy at 0K	-1738.974396
Energy at 298.15K
HF Energy	-1737.728747
Nuclear repulsion energy	845.344413

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1629	1629	12.02
2	A_g	276	276	78.25
3	A_g	148	148	78.89
4	A_u	58	58	78.92
5	B_1u	658	658	13.56
6	B_1u	192	192	57.86
7	B_2g	502	502	12.12
8	B_2u	806	806	13.07
9	B_2u	120	120	68.86
10	B_3g	927	927	12.30
11	B_3g	218	218	70.32
12	B_3u	255	255	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
Br3	1.577	1.684
Br4	-1.577	1.684
Br5	-1.577	-1.684
Br6	1.577	-1.684

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3386	1.8746	1.8746	2.8322	2.8322
C2	1.3386		2.8322	2.8322	1.8746	1.8746
Br3	1.8746	2.8322		3.1531	4.6129	3.3670
Br4	1.8746	2.8322	3.1531		3.3670	4.6129
Br5	2.8322	1.8746	4.6129	3.3670		3.1531
Br6	2.8322	1.8746	3.3670	4.6129	3.1531

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.754	C1	C2	Br6	122.754
C2	C1	Br3	122.754	C2	C1	Br4	122.754
Br3	C1	Br4	114.492	Br5	C2	Br6	114.492

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: QCISD/cc-pVTZ-PP

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-PP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)