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	hartrees
Energy at 0K	-10370.844289
Energy at 298.15K
HF Energy	-10370.581882
Nuclear repulsion energy	1473.499414

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	1565	1565	0.00	47.63	0.28	0.44
2	A_g	269	269	0.00	11.26	0.17	0.30
3	A_g	149	149	0.00	3.05	0.66	0.79
4	A_u	55	55	0.00	0.00	0.00	0.00
5	B_1u	636	636	29.91	0.00	0.00	0.00
6	B_1u	193	193	0.23	0.00	0.00	0.00
7	B_2g	472	472	0.00	0.60	0.75	0.86
8	B_2u	762	762	122.62	0.00	0.49	0.66
9	B_2u	120	120	0.16	0.00	0.00	0.00
10	B_3g	887	887	0.00	1.77	0.75	0.86
11	B_3g	213	213	0.00	3.13	0.75	0.86
12	B_3u	250	250	3.04	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.673
C2	0.000	-0.673
Br3	1.590	1.697
Br4	-1.590	1.697
Br5	-1.590	-1.697
Br6	1.590	-1.697

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3462	1.8910	1.8910	2.8538	2.8538
C2	1.3462		2.8538	2.8538	1.8910	1.8910
Br3	1.8910	2.8538		3.1799	4.6506	3.3936
Br4	1.8910	2.8538	3.1799		3.3936	4.6506
Br5	2.8538	1.8910	4.6506	3.3936		3.1799
Br6	2.8538	1.8910	3.3936	4.6506	3.1799

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.777	C1	C2	Br6	122.777
C2	C1	Br3	122.777	C2	C1	Br4	122.777
Br3	C1	Br4	114.446	Br5	C2	Br6	114.446

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B2PLYP/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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Number	Element	Mulliken
1	C	-0.213
2	C	-0.213
3	Br	0.106
4	Br	0.106
5	Br	0.106
6	Br	0.106

<r²>	813.889
(<r²>)^1/2	28.529

All results from a given calculation for C2Br4 (tetrabromoethene)

using model chemistry: B2PLYP/6-311G*

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)