Acta Cryst. (2002). E58, o615-o617  [ doi:10.1107/S1600536802007705 ]

cis,syn,cis-2,3,4,8,9-Pentachloro-1,5,7,7-tetramethoxytricyclo[4.3.0.0^2,5]nona-3,8-diene

R. Gilardi, D. Tang and P. E. Eaton

Online 11 May 2002

Key indicators

• Single-crystal X-ray study
• T = 294 K
• Mean (C-C) = 0.003 Å
• R factor = 0.037
• wR factor = 0.092
• Data-to-parameter ratio = 16.6

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level B:



CELLV_02  Alert B The supplied cell volume s.u. differs from that               
          calculated from the cell parameter s.u.'s by > 4                      
          Calculated cell volume su =       8.55                                
          Cell volume su given      =      15.00                                


 Alert Level C:



PLAT_320  Alert C Check Hybridisation of  C6     in main residue          ?


 0 Alert Level A = Potentially serious problem

 1 Alert Level B = Potential problem

 1 Alert Level C = Please check

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