(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2001). E57, o1177-o1178 [ doi:10.1107/S1600536801019055 ]

An enantiopure bicyclic pentasubstituted piperidine

M. Reynoso-Paz, M. M. Olmstead, M. J. Kurth and N. E. Schore

Online 17 November 2001

Key indicators

Single-crystal X-ray study
T = 89 K
Mean (C-C) = 0.002 Å
R factor = 0.030
wR factor = 0.071
Data-to-parameter ratio = 21.7

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           30.00                 
         From the CIF: _reflns_number_total               6690                  
         Count of symmetry unique reflns         3697                           
         Completeness (_total/calc)            180.96%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured      2993                           
         Fraction of Friedel pairs measured     0.810                           
         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.