(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o678-o679 [ doi:10.1107/S1600536802008851 ]

N-(4-Acetylphenyl)maleamic acid

D. E. Lynch and I. McClenaghan

Online 24 May 2002

Key indicators

Single-crystal X-ray study
T = 150 K
Mean (C-C) = 0.003 Å
R factor = 0.047
wR factor = 0.133
Data-to-parameter ratio = 13.7

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           27.48                 
         From the CIF: _reflns_number_total               2227                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         2421                           
         Completeness (_total/calc)             91.99%                          
          Alert C: < 95% complete                                               


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check