(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o528-o529 [ doi:10.1107/S1600536802006128 ]

N,N'-Bis[1-(4-pyridyl)ethylidene]-p-phenylenediamine

G. K. Patra and I. Goldberg

Online 19 April 2002

Key indicators

Single-crystal X-ray study
T = 110 K
Mean (C-C) = 0.002 Å
R factor = 0.048
wR factor = 0.153
Data-to-parameter ratio = 16.1

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           27.88                 
         From the CIF: _reflns_number_total               1775                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         1944                           
         Completeness (_total/calc)             91.31%                          
          Alert C: < 95% complete                                               


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check