(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, o433-o434 [ doi:10.1107/S1600536803004902 ]

3,4-Dimethoxyphenylacetic acid

D. Chopra, A. R. Choudhury and T. N. Guru Row

Online 14 March 2003

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.002 Å
R factor = 0.041
wR factor = 0.109
Data-to-parameter ratio = 12.5

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           27.73                 
         From the CIF: _reflns_number_total               2193                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         2349                           
         Completeness (_total/calc)             93.36%                          
          Alert C: < 95% complete                                               


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check