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	hartrees
Energy at 0K	-10371.318583
Energy at 298.15K
HF Energy	-10370.581915
Nuclear repulsion energy	1474.316813

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	1567	1567	0.00	47.78	0.28	0.44
2	A_g	269	269	0.00	11.21	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	637	637	30.14	0.00	0.00	0.00
6	B_1u	193	193	0.23	0.00	0.00	0.00
7	B_2g	475	475	0.00	0.59	0.75	0.86
8	B_2u	762	762	123.25	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	1.69	0.75	0.86
11	B_3g	213	213	0.00	3.11	0.75	0.86
12	B_3u	251	251	3.01	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.673
C2	0.000	-0.673
Br3	1.589	1.696
Br4	-1.589	1.696
Br5	-1.589	-1.696
Br6	1.589	-1.696

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3457	1.8899	1.8899	2.8524	2.8524
C2	1.3457		2.8524	2.8524	1.8899	1.8899
Br3	1.8899	2.8524		3.1778	4.6481	3.3921
Br4	1.8899	2.8524	3.1778		3.3921	4.6481
Br5	2.8524	1.8899	4.6481	3.3921		3.1778
Br6	2.8524	1.8899	3.3921	4.6481	3.1778

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.779	C1	C2	Br6	122.779
C2	C1	Br3	122.779	C2	C1	Br4	122.779
Br3	C1	Br4	114.441	Br5	C2	Br6	114.441

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B2PLYP=FULLultrafine/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: B2PLYP=FULLultrafine/6-311G**

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)