Acta Cryst. (2003). E59, o106-o107  [ doi:10.1107/S1600536802023504 ]

2a'-Chloro-3,8-dioxo-1',2',2a',8a'-tetrahydrodispiro[cyclopropane-1,1'-cyclobuta[b]napthalene-2',1''-cyclopropane]

L. Wang, A. Usman, H.-K. Fun, Y. Zhang and J.-H. Xu

Online 10 January 2003

Key indicators

• Single-crystal X-ray study
• T = 213 K
• Mean (C-C) = 0.004 Å
• R factor = 0.065
• wR factor = 0.168
• Data-to-parameter ratio = 17.1

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



RINTA_01  Alert C The value of Rint is greater than 0.10                        
          Rint given   0.125                                                    


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check

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