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	hartrees
Energy at 0K	-10356.893152
Energy at 298.15K
HF Energy	-10355.962856
Nuclear repulsion energy	1502.106209

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	1559	1473	0.00	13.71	0.23	0.38
2	A_g	289	273	0.00	8.33	0.12	0.22
3	A_g	153	145	0.00	1.78	0.58	0.74
4	A_u	61	57	0.00	0.00	0.00	0.00
5	B_1u	672	634	21.20	0.00	0.31	0.48
6	B_1u	200	189	0.05	0.00	0.26	0.41
7	B_2g	487	460	0.00	0.18	0.75	0.86
8	B_2u	852	805	88.09	0.00	0.00	0.00
9	B_2u	126	119	0.13	0.00	0.00	0.00
10	B_3g	953	901	0.00	0.17	0.75	0.86
11	B_3g	224	212	0.00	1.77	0.75	0.86
12	B_3u	255	240	1.23	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.677
C2	0.000	-0.677
Br3	1.565	1.659
Br4	-1.565	1.659
Br5	-1.565	-1.659
Br6	1.565	-1.659

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3540	1.8474	1.8474	2.8115	2.8115
C2	1.3540		2.8115	2.8115	1.8474	1.8474
Br3	1.8474	2.8115		3.1300	4.5608	3.3172
Br4	1.8474	2.8115	3.1300		3.3172	4.5608
Br5	2.8115	1.8474	4.5608	3.3172		3.1300
Br6	2.8115	1.8474	3.3172	4.5608	3.1300

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.097	C1	C2	Br6	122.097
C2	C1	Br3	122.097	C2	C1	Br4	122.097
Br3	C1	Br4	115.806	Br5	C2	Br6	115.806

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: MP2/6-31G(2df,p)

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: MP2/6-31G(2df,p)

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)