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	hartrees
Energy at 0K	-10367.559383
Energy at 298.15K
HF Energy	-10365.161064
Nuclear repulsion energy	1481.493059

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	1550	1470	0.00	8.66	0.17	0.29
2	A_g	277	262	0.00	8.07	0.21	0.35
3	A_g	152	144	0.00	2.59	0.67	0.80
4	A_u	56	53	0.00	0.00	0.00	0.00
5	B_1u	653	620	24.74	0.00	0.00	0.00
6	B_1u	198	188	0.20	0.00	0.00	0.00
7	B_2g	452	429	0.00	0.09	0.75	0.86
8	B_2u	799	758	109.81	0.00	0.00	0.00
9	B_2u	123	117	0.13	0.00	0.00	0.00
10	B_3g	916	869	0.00	0.02	0.75	0.86
11	B_3g	217	206	0.00	2.59	0.75	0.86
12	B_3u	252	239	3.10	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	0.678
C2	0.000	-0.678
Br3	1.582	1.686
Br4	-1.582	1.686
Br5	-1.582	-1.686
Br6	1.582	-1.686

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3553	1.8767	1.8767	2.8449	2.8449
C2	1.3553		2.8449	2.8449	1.8767	1.8767
Br3	1.8767	2.8449		3.1649	4.6253	3.3730
Br4	1.8767	2.8449	3.1649		3.3730	4.6253
Br5	2.8449	1.8767	4.6253	3.3730		3.1649
Br6	2.8449	1.8767	3.3730	4.6253	3.1649

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.518	C1	C2	Br6	122.518
C2	C1	Br3	122.518	C2	C1	Br4	122.518
Br3	C1	Br4	114.963	Br5	C2	Br6	114.963

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: MP2=FULL/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: MP2=FULL/6-311G**

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)