Accuracy

c4o2br2r   1877 1,2-Dibromocyclobutene-3,4-dione (Geo)

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    #  Species Formula
  1867 Bromochloromethane (Geo)CH2ClBr
  1868 1-Bromo-1-chloroethaneC2H4ClBr
  1869 5-Chloro-8-bromo-8-hydroxyquinolineC9H5NOClBr
  1870 TrichlorobromomethaneCCl3Br
  1871 Dibromomethane (Geo)CH2Br2
  1872 DibromomethaneCH2Br2
  1873 1,1-DibromoethaneC2H4Br2
  1874 1,4-DibromobutaneC4H8Br2
  1875 Carbonyl bromideCOBr2
  1876 Carbonyl bromide (Geo)COBr2
  1877 1,2-Dibromocyclobutene-3,4-dione (Geo) C4O2Br2
  1878 DifluorodibromomethaneCF2Br2
  1879 1,2-DibromotetrafluoroethaneC2F4Br2
  1880 Thionyl bromide (Geo)OSBr2
  1881 BromoformHCBr3
  1882 1,1,1-TribromoethaneC2H3Br3
  1883 2,4,6-TribromoanilineC6H4NBr3
  1884 Phosphorus oxybromideOPBr3
  1885 Phosphorus oxybromide (Geo)OPBr3
  1886 Carbon tetrabromide (Geo)CBr4
  1887 Tetrabromoethylene (Geo)C2Br4


REF: K. Hagen, B. Lunelli, J. Phys. Chem., 93, 1326 (1989).
  
 SYMMETRY
1,2-Dibromocyclobutene-3,4-dione
 GR=HL1989 <C=C2> <C2-C3> <C=C2-C3> <C-Br> <Br-C=C> <C-O> <O-C3-C2>
 
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.35600000 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.51800000 +1   94.4000000 +1    0.0000000 +0     2     1     0
  C     1.51800000 +0   94.4000000 +0    0.0000000 +0     1     2     3
 Br     1.83100000 +1  133.0000000 +1  180.0000000 +0     1     2     3
 Br     1.83100000 +0  133.0000000 +0  180.0000000 +0     2     1     4
  O     1.18500000 +1  135.0000000 +1  180.0000000 +0     3     2     1
  O     1.18500000 +0  135.0000000 +0  180.0000000 +0     4     1     2
 
   3  1    4
   3  2    4
   5  1    6
   5  2    6
   7  1    8
   7  2    8