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	hartrees
Energy at 0K	-10365.943050
Energy at 298.15K
HF Energy	-10365.160963
Nuclear repulsion energy	1478.622817

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	1543	1466	0.00	8.22	0.17	0.29
2	A_g	275	262	0.00	8.16	0.21	0.35
3	A_g	151	144	0.00	2.61	0.67	0.80
4	A_u	55	52	0.00	0.00	0.00	0.00
5	B_1u	650	618	23.98	0.00	0.00	0.00
6	B_1u	197	187	0.20	0.00	0.00	0.00
7	B_2g	442	420	0.00	0.09	0.75	0.86
8	B_2u	795	756	107.70	0.00	0.00	0.00
9	B_2u	123	116	0.13	0.00	0.00	0.00
10	B_3g	914	868	0.00	0.05	0.75	0.86
11	B_3g	216	205	0.00	2.62	0.75	0.86
12	B_3u	250	238	3.18	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	0.678
C2	0.000	-0.678
Br3	1.586	1.689
Br4	-1.586	1.689
Br5	-1.586	-1.689
Br6	1.586	-1.689

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3570	1.8806	1.8806	2.8499	2.8499
C2	1.3570		2.8499	2.8499	1.8806	1.8806
Br3	1.8806	2.8499		3.1718	4.6342	3.3786
Br4	1.8806	2.8499	3.1718		3.3786	4.6342
Br5	2.8499	1.8806	4.6342	3.3786		3.1718
Br6	2.8499	1.8806	3.3786	4.6342	3.1718

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.513	C1	C2	Br6	122.513
C2	C1	Br3	122.513	C2	C1	Br4	122.513
Br3	C1	Br4	114.975	Br5	C2	Br6	114.975

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: MP2/6-311G*

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: MP2/6-311G*

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)