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	hartrees
Energy at 0K	-10366.518284
Energy at 298.15K
HF Energy	-10365.337469
Nuclear repulsion energy	1473.603710

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1619	1546	12.01
2	A_g	269	257	78.38
3	A_g	149	143	78.89
4	A_u	55	53	78.92
5	B_1u	641	612	13.51
6	B_1u	193	184	58.87
7	B_2g	462	441	12.12
8	B_2u	775	741	13.07
9	B_2u	121	116	68.98
10	B_3g	916	875	12.26
11	B_3g	213	204	71.51
12	B_3u	249	238	12.76

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
Br3	1.591	1.695
Br4	-1.591	1.695
Br5	-1.591	-1.695
Br6	1.591	-1.695

	C1	C2	Br3	Br4	Br5	Br6
C1		1.3390	1.8931	1.8931	2.8502	2.8502
C2	1.3390		2.8502	2.8502	1.8931	1.8931
Br3	1.8931	2.8502		3.1824	4.6499	3.3904
Br4	1.8931	2.8502	3.1824		3.3904	4.6499
Br5	2.8502	1.8931	4.6499	3.3904		3.1824
Br6	2.8502	1.8931	3.3904	4.6499	3.1824

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	Br5	122.806	C1	C2	Br6	122.806
C2	C1	Br3	122.806	C2	C1	Br4	122.806
Br3	C1	Br4	114.387	Br5	C2	Br6	114.387

All results from a given calculation for C₂Br₄ (tetrabromoethene)

using model chemistry: QCISD/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: QCISD/TZVP

States and conformations

All results from a given calculation for C₂Br₄ (tetrabromoethene)