(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, o212-o214 [ doi:10.1107/S1600536803001314 ]

(5S,6R)-4,5-Dimethyl-6-phenyl-3-trimethylacetyl-2H-1,3,4-oxadiazinan-2-one

G. M. Ferrence, J. M. Esken, J. R. Blackburn and S. R. Hitchcock

Online 24 January 2003

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.004 Å
R factor = 0.036
wR factor = 0.097
Data-to-parameter ratio = 9.2

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           25.79                 
         From the CIF: _reflns_number_total               1792                  
         Count of symmetry unique reflns         1791                           
         Completeness (_total/calc)            100.06%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured         1                           
         Fraction of Friedel pairs measured     0.001                           
         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.