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	hartrees
Energy at 0K	-10366.512189
Energy at 298.15K
HF Energy	-10365.336982
Nuclear repulsion energy	1479.798804

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	1555	1474	0.00	8.66	0.22	0.36
2	A_g	272	258	0.00	8.47	0.22	0.36
3	A_g	149	142	0.00	2.39	0.66	0.79
4	A_u	55	52	0.00	0.00	0.00	0.00
5	B_1u	643	609	26.12	0.00	0.54	0.70
6	B_1u	194	184	0.16	0.00	0.44	0.00
7	B_2g	431	409	0.00	0.81	0.75	0.86
8	B_2u	783	742	108.71	0.00	0.00	0.00
9	B_2u	121	114	0.13	0.00	0.00	0.00
10	B_3g	908	860	0.00	0.29	0.75	0.86
11	B_3g	215	203	0.00	3.13	0.75	0.86
12	B_3u	244	231	2.81	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
Br3	1.587	1.685
Br4	-1.587	1.685
Br5	-1.587	-1.685
Br6	1.587	-1.685

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3477	1.8821	1.8821	2.8431	2.8431
C2	1.3477		2.8431	2.8431	1.8821	1.8821
Br3	1.8821	2.8431		3.1750	4.6298	3.3696
Br4	1.8821	2.8431	3.1750		3.3696	4.6298
Br5	2.8431	1.8821	4.6298	3.3696		3.1750
Br6	2.8431	1.8821	3.3696	4.6298	3.1750

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.491	C1	C2	Br6	122.491
C2	C1	Br3	122.491	C2	C1	Br4	122.491
Br3	C1	Br4	115.019	Br5	C2	Br6	115.019

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: MP2/TZVP

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: MP2/TZVP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)