(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o546-o547 [ doi:10.1107/S1600536802006785 ]

Tetramethylphosphonium chloride hydrate

G. Margraf, H.-W. Lerner and M. Bolte

Online 25 April 2002

Key indicators

Single-crystal X-ray study
T = 173 K
Mean (P-C) = 0.004 Å
R factor = 0.054
wR factor = 0.130
Data-to-parameter ratio = 19.5

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level A:



DIFF_020  Alert A _diffrn_standards_interval_count and                          
          _diffrn_standards_interval_time are missing. Number of measurements   
          between standards or time (min) between standards.                    


 Alert Level C:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           25.15                 
         From the CIF: _reflns_number_total               1407                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         1536                           
         Completeness (_total/calc)             91.60%                          
          Alert C: < 95% complete                                               


 1 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check