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	hartrees
Energy at 0K	-10366.209215
Energy at 298.15K
HF Energy	-10365.195358
Nuclear repulsion energy	1482.694768

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1623	1531	12.02
2	A_g	278	262	78.28
3	A_g	151	142	78.89
4	A_u	57	54	78.92
5	B_1u	662	624	13.55
6	B_1u	196	185	58.07
7	B_2g	498	469	12.12
8	B_2u	809	763	13.07
9	B_2u	122	115	68.89
10	B_3g	922	870	12.31
11	B_3g	217	205	69.91
12	B_3u	253	238	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
Br3	1.579	1.687
Br4	-1.579	1.687
Br5	-1.579	-1.687
Br6	1.579	-1.687

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3387	1.8788	1.8788	2.8368	2.8368
C2	1.3387		2.8368	2.8368	1.8788	1.8788
Br3	1.8788	2.8368		3.1582	4.6220	3.3748
Br4	1.8788	2.8368	3.1582		3.3748	4.6220
Br5	2.8368	1.8788	4.6220	3.3748		3.1582
Br6	2.8368	1.8788	3.3748	4.6220	3.1582

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.811	C1	C2	Br6	122.811
C2	C1	Br3	122.811	C2	C1	Br4	122.811
Br3	C1	Br4	114.379	Br5	C2	Br6	114.379

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: CCD/6-311+G(3df,2p)

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: CCD/6-311+G(3df,2p)

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)