(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o765-o766 [ doi:10.1107/S1600536802010747 ]

(4S,5S)-4-Benzyl-2-oxooxazolidine-5-carboxylic acid

W. Clegg and M. R. J. Elsegood

Online 21 June 2002

Key indicators

Single-crystal X-ray study
T = 160 K
Mean (C-C) = 0.002 Å
R factor = 0.027
wR factor = 0.074
Data-to-parameter ratio = 12.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



RADNW_01  Alert C The radiation wavelength lies outside the expected range      
          for the supplied radiation type. Expected range 1.54175-1.54180       
          Wavelength given =    1.54184                                         

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           67.30                 
         From the CIF: _reflns_number_total               1851                  
         Count of symmetry unique reflns         1036                           
         Completeness (_total/calc)            178.67%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured       815                           
         Fraction of Friedel pairs measured     0.787                           
         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.          


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check