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	hartrees
Energy at 0K	-10360.322641
Energy at 298.15K
HF Energy	-10360.190282
Nuclear repulsion energy	1454.880408

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	1645	1645	0.00	12.76	0.19	0.32
2	A_g	254	254	0.00	13.90	0.20	0.33
3	A_g	142	142	0.00	4.68	0.70	0.82
4	A_u	60	60	0.00	0.00	0.00	0.00
5	B_1u	604	604	28.14	0.00	0.36	0.53
6	B_1u	182	182	0.07	0.00	0.00	0.00
7	B_2g	537	537	0.00	2.11	0.75	0.86
8	B_2u	735	735	113.26	0.00	0.75	0.85
9	B_2u	118	118	0.37	0.00	0.00	0.00
10	B_3g	858	858	0.00	11.91	0.75	0.86
11	B_3g	213	213	0.00	4.86	0.75	0.86
12	B_3u	254	254	3.15	0.00	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
Br3	1.620	1.708
Br4	-1.620	1.708
Br5	-1.620	-1.708
Br6	1.620	-1.708

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3376	1.9244	1.9244	2.8764	2.8764
C2	1.3376		2.8764	2.8764	1.9244	1.9244
Br3	1.9244	2.8764		3.2391	4.7079	3.4166
Br4	1.9244	2.8764	3.2391		3.4166	4.7079
Br5	2.8764	1.9244	4.7079	3.4166		3.2391
Br6	2.8764	1.9244	3.4166	4.7079	3.2391

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.693	C1	C2	Br6	122.693
C2	C1	Br3	122.693	C2	C1	Br4	122.693
Br3	C1	Br4	114.613	Br5	C2	Br6	114.613

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: B2PLYP=FULLultrafine/6-31G

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/6-31G

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)