(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, o117-o118 [ doi:10.1107/S1600536802023449 ]

1-O-p-Toluenesulfonyl-2,3:4,5-di-O-isopropylidene-L-arabitol

P. G. Jones, P. Kus and R. Celinski

Online 10 January 2003

Key indicators

Single-crystal X-ray study
T = 143 K
Mean (C-C) = 0.003 Å
R factor = 0.040
wR factor = 0.100
Data-to-parameter ratio = 17.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           27.53                 
         From the CIF: _reflns_number_total               4154                  
         Count of symmetry unique reflns         2311                           
         Completeness (_total/calc)            179.75%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured      1843                           
         Fraction of Friedel pairs measured     0.797                           
         Are heavy atom types Z>Si present          yes                         
          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.