(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o1121-o1122 [ doi:10.1107/S1600536802016677 ]

A chiral oxazolidin-2-one-derived Reissert compound

M. Evain, M. Pauvert, S. Collet and A. Guingant

Online 20 September 2002

Key indicators

Single-crystal X-ray study
T = 298 K
Mean (C-C) = 0.004 Å
R factor = 0.035
wR factor = 0.085
Data-to-parameter ratio = 9.1

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level A:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           32.04                 
         From the CIF: _reflns_number_total               4422                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         6672                           
         Completeness (_total/calc)             66.28%                          
          Alert A: < 85% complete (theta max?)                                  


 Alert Level C:



PLAT_162  Alert C Missing or Zero su (esd) on y-coordinate for .       O1A

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           32.04                 
         From the CIF: _reflns_number_total               4422                  
         Count of symmetry unique reflns         6672                           
         Completeness (_total/calc)             66.28%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured         0                           
         Fraction of Friedel pairs measured     0.000                           
         Are heavy atom types Z>Si present           no                         
          Please check that the estimate of the number of Friedel pairs is      
          correct. If it is not, please give the correct count in the           
          _publ_section_exptl_refinement section of the submitted CIF.          


 1 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check