Accuracy
 bi2br4r 
 
  8252 Bi2Br4 (Geo)
  
   
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  REF:  Estimated from DGauss results of DFT calculations, using the B88-PW91 functional and the DZVP basis set, in CAChe 6.0, Fujitsu Ltd, 2003.
  
 PM7
Bi2Br4
 <Bi-Bi> <Bi-Br> GR=PW91D GWT=0.5
 Bi     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 Bi     3.07684800 +1    0.0000000 +0    0.0000000 +0     1     0     0
 Br     2.88526100 +1   86.8449512 +1    0.0000000 +0     2     1     0
 Br     2.62859241 +1   92.3899382 +1  -92.9911305 +1     2     1     3
 Br     2.64686647 +1   92.8175924 +1  173.0711445 +1     1     2     3
 Br     2.64480215 +1   91.8092010 +1   94.0468398 +1     1     2     5