Accuracy

c4o2br2r   4277 1,2-Dibromocyclobutene-3,4-dione (Geo)

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    #  Species Formula
  4267 Beryllium dibromideBeBr2
  4268 Dibromoborane (1)HBBr2
  4269 Dibromomethane (Geo)CH2Br2
  4270 DibromomethaneCH2Br2
  4271 1,1-DibromoethaneC2H4Br2
  4272 1,4-DibromobutaneC4H8Br2
  4273 Li(I)2Br2N4 (SAJVEE01) (Geo)C12H32Li2N4Br2
  4274 Li(I)2Br2N4 (SAJVEE01)C12H32Li2N4Br2
  4275 Carbonyl bromideCOBr2
  4276 Carbonyl bromide (Geo)COBr2
  4277 1,2-Dibromocyclobutene-3,4-dione (Geo) C4O2Br2
  4278 Be(II)O2Br2 (QQQDPY01) (Geo)H20BeC8O2Br2
  4279 Be(II)O2Br2 (QQQDPY01)H20BeC8O2Br2
  4280 Li(I)2Br2O4 (DECXEO01) (Geo)C12H24Li2O4Br2
  4281 Li(I)2Br2O4 (DECXEO01)C12H24Li2O4Br2
  4282 DibromofluoroboraneBFBr2
  4283 DifluorodibromomethaneCF2Br2
  4284 1,2-DibromotetrafluoroethaneC2F4Br2
  4285 Sodium bromide, dimer (Geo)Na2Br2
  4286 Sodium bromide, dimerNa2Br2
  4287 Magnesium dibromideMgBr2


REF: K. Hagen, B. Lunelli, J. Phys. Chem., 93, 1326 (1989).
  
 SYMMETRY PM7
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