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	hartrees
Energy at 0K	-10377.937631
Energy at 298.15K
HF Energy	-10377.937631
Nuclear repulsion energy	1471.341834

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	1518	1498	0.00	62.51	0.30	0.46
2	A_g	259	256	0.00	14.80	0.10	0.18
3	A_g	145	143	0.00	2.02	0.54	0.70
4	A_u	53	52	0.00	0.00	0.00	0.00
5	B_1u	615	607	35.97	0.00	0.00	0.00
6	B_1u	186	184	0.16	0.00	0.00	0.00
7	B_2g	463	457	0.00	0.27	0.75	0.86
8	B_2u	712	703	138.85	0.00	0.00	0.00
9	B_2u	116	115	0.15	0.00	0.00	0.00
10	B_3g	823	813	0.00	3.40	0.75	0.86
11	B_3g	206	203	0.00	2.21	0.75	0.86
12	B_3u	242	239	1.64	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
Br3	1.591	1.700
Br4	-1.591	1.700
Br5	-1.591	-1.700
Br6	1.591	-1.700

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3477	1.8937	1.8937	2.8581	2.8581
C2	1.3477		2.8581	2.8581	1.8937	1.8937
Br3	1.8937	2.8581		3.1830	4.6577	3.4003
Br4	1.8937	2.8581	3.1830		3.4003	4.6577
Br5	2.8581	1.8937	4.6577	3.4003		3.1830
Br6	2.8581	1.8937	3.4003	4.6577	3.1830

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.817	C1	C2	Br6	122.817
C2	C1	Br3	122.817	C2	C1	Br4	122.817
Br3	C1	Br4	114.365	Br5	C2	Br6	114.365

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B97D3/6-311+G(3df,2p)

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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Number	Element	Mulliken
1	C	0.076
2	C	0.076
3	Br	-0.038
4	Br	-0.038
5	Br	-0.038
6	Br	-0.038

<r²>	815.764
(<r²>)^1/2	28.562

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B97D3/6-311+G(3df,2p)

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)