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	hartrees
Energy at 0K	-10257.866882
Energy at 298.15K
HF Energy	-10257.803857
Nuclear repulsion energy	1464.204702

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	1651	1651	0.00	5.74	0.36	0.53
2	A_g	292	292	0.00	10.21	0.18	0.30
3	A_g	152	152	0.00	3.00	0.67	0.81
4	A_u	62	62	0.00	0.00	0.00	0.00
5	B_1u	696	696	51.40	0.00	0.00	0.00
6	B_1u	202	202	0.27	0.00	0.00	0.00
7	B_2g	507	507	0.00	3.63	0.75	0.86
8	B_2u	895	895	112.35	0.00	0.00	0.00
9	B_2u	122	122	0.43	0.00	0.00	0.00
10	B_3g	1036	1036	0.00	4.22	0.75	0.86
11	B_3g	232	232	0.00	3.46	0.75	0.86
12	B_3u	269	269	0.26	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.684
C2	0.000	-0.684
Br3	1.617	1.689
Br4	-1.617	1.689
Br5	-1.617	-1.689
Br6	1.617	-1.689

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3685	1.9036	1.9036	2.8717	2.8717
C2	1.3685		2.8717	2.8717	1.9036	1.9036
Br3	1.9036	2.8717		3.2333	4.6763	3.3784
Br4	1.9036	2.8717	3.2333		3.3784	4.6763
Br5	2.8717	1.9036	4.6763	3.3784		3.2333
Br6	2.8717	1.9036	3.3784	4.6763	3.2333

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	121.866	C1	C2	Br6	121.866
C2	C1	Br3	121.866	C2	C1	Br4	121.866
Br3	C1	Br4	116.268	Br5	C2	Br6	116.268

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B2PLYP=FULLultrafine/STO-3G

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/STO-3G

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)