Acta Cryst. (2002). E58, o1441-o1443  [ doi:10.1107/S1600536802021645 ]

6,6'-Dichloro-3,3'-(butane-1,4-diyldioxy)diflavone

S. Thinagar, D. Velmurugan, S. C. Gupta, H. Merazig and S. Bouacida

Online 30 November 2002

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.011 Å
• R factor = 0.056
• wR factor = 0.159
• Data-to-parameter ratio = 10.8

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level B:



THETM_01  Alert B The value of sine(theta_max)/wavelength is less than 0.575    
          Calculated sin(theta_max)/wavelength =    0.5651                      

 Alert Level C:



RINTA_01  Alert C The value of Rint is greater than 0.10                        
          Rint given   0.122                                                    


 0 Alert Level A = Potentially serious problem

 1 Alert Level B = Potential problem

 1 Alert Level C = Please check

Copyright © International Union of Crystallography
IUCr Webmaster