Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 11 (November 2013)

organic compounds

Acta Cryst. (2013). E69, o1641    [ doi:10.1107/S1600536813027797 ]


C. O. Bender and R. T. Boeré

Abstract: In the structure of the title compound, C12H8Br2, the two bromine substituents are oriented exo to the boat-shaped cyclo­octa­tetra­ene at the two ring sites that are [beta] to the ring fusion positions. The average Br-C bond distance is 1.919 (2) Å, the average distance for C=C double bonds that are Br substituted is 1.328 (2) Å, while the other two double-bond distances are 1.327 (2) and 1.398 (2) Å for the non-fused and fused bonds, respectively. Each type of ring inter­atomic distance is within s.u. of the average values for the four known structures, including the title compound, of benzo-fused cyclo­ocata­tetra­enes that are not coordinated to a metal atom. The crystal structure features short Br...Br [3.6620 (3) Å] and C...H [2.834 (2) and 2.841 (2) Å] contacts.

CCDC reference: 965684

htmldisplay filedownload file

Hyper-Text Markup Language (HTML) file
[ doi:10.1107/S1600536813027797/hg5345sup0.html ]
Supplementary materials

cmldisplay filedownload file

Chemical Markup Language (CML) file
[ doi:10.1107/S1600536813027797/hg5345Isup3.cml ]
Supplementary material


To open or display or play some files, you may need to set your browser up to use the appropriate software. See the full list of file types for an explanation of the different file types and their related mime types and, where available links to sites from where the appropriate software may be obtained.

The download button will force most browsers to prompt for a file name to store the data on your hard disk.

Where possible, images are represented by thumbnails.

 bibliographic record in  format

  Find reference:   Volume   Page   
  Search:     From   to      Advanced search

Copyright © International Union of Crystallography
IUCr Webmaster