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	hartrees
Energy at 0K	-10377.899920
Energy at 298.15K
HF Energy	-10377.899920
Nuclear repulsion energy	1465.159112

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	1532	1519	0.00	45.92	0.28	0.43
2	A_g	259	257	0.00	13.32	0.15	0.25
3	A_g	145	144	0.00	3.49	0.66	0.80
4	A_u	53	53	0.00	0.00	0.00	0.00
5	B_1u	613	608	41.71	0.00	0.00	0.00
6	B_1u	186	185	0.22	0.00	0.00	0.00
7	B_2g	439	435	0.00	1.03	0.75	0.86
8	B_2u	716	710	158.89	0.00	0.00	0.00
9	B_2u	116	115	0.19	0.00	0.00	0.00
10	B_3g	833	826	0.00	1.26	0.75	0.86
11	B_3g	205	203	0.00	2.99	0.75	0.86
12	B_3u	239	237	3.11	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.679
C2	0.000	-0.679
Br3	1.600	1.706
Br4	-1.600	1.706
Br5	-1.600	-1.706
Br6	1.600	-1.706

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3586	1.9006	1.9006	2.8719	2.8719
C2	1.3586		2.8719	2.8719	1.9006	1.9006
Br3	1.9006	2.8719		3.1991	4.6770	3.4117
Br4	1.9006	2.8719	3.1991		3.4117	4.6770
Br5	2.8719	1.9006	4.6770	3.4117		3.1991
Br6	2.8719	1.9006	3.4117	4.6770	3.1991

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.691	C1	C2	Br6	122.691
C2	C1	Br3	122.691	C2	C1	Br4	122.691
Br3	C1	Br4	114.617	Br5	C2	Br6	114.617

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B97D3/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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Number	Element	Mulliken
1	C	-0.139
2	C	-0.139
3	Br	0.070
4	Br	0.070
5	Br	0.070
6	Br	0.070

<r²>	821.209
(<r²>)^1/2	28.657

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B97D3/cc-pVDZ

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)