(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o270-o271 [ doi:10.1107/S1600536802001010 ]

(S)-2,2'-Bis[bis(3,5-dimethylphenyl)phosphinoyl]-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl

R. Guo, J. Wu, W. Kowk, J. Chen, M. C. K. Choi and Z. Zhou

Online 22 February 2002

Key indicators

Single-crystal X-ray study
T = 294 K
Mean (C-C) = 0.004 Å
R factor = 0.049
wR factor = 0.128
Data-to-parameter ratio = 20.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           27.55                 
         From the CIF: _reflns_number_total               5134                  
         Count of symmetry unique reflns         2918                           
         Completeness (_total/calc)            175.94%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured      2216                           
         Fraction of Friedel pairs measured     0.759                           
         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.