(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o750-o752 [ doi:10.1107/S160053680200898X ]

tert-Butyl (7R)-7-[(4S)-2,2-dimethyl-[1,3]dioxolan-4-yl]-1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate

R. Badorrey, C. Cativiela, M. D. Díaz-de-Villegas and J. A. Gálvez

Online 21 June 2002

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.008 Å
R factor = 0.049
wR factor = 0.119
Data-to-parameter ratio = 7.6

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           25.01                 
         From the CIF: _reflns_number_total               3277                  
         Count of symmetry unique reflns         3288                           
         Completeness (_total/calc)             99.67%                          
         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.