(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, m257-m259 [ doi:10.1107/S1600536803007438 ]

One-dimensional chain structure of catena-poly[[[(1,10-phenanthroline)copper(II)]--dicyanamido] perchlorate]

A.-Q. Wu, F.-K. Zheng, L.-Z. Cai, G.-C. Guo, J.-G. Mao and J.-S. Huang

Online 23 April 2003

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.003 Å
R factor = 0.045
wR factor = 0.115
Data-to-parameter ratio = 13.1

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



ABSTM_02  Alert C The ratio of Tmax/Tmin expected RT(exp) is > 1.10             
          Absorption corrections should be applied.                             
          Tmin and Tmax expected:      0.748     0.848                          
          RT(exp) =      1.133                                                  

General Notes



ABSTY_01  Extra text has been found in the _exptl_absorpt_correction_type       
          field, which should be only a single keyword. A literature            
          citation should be included in the _exptl_absorpt_process_details     
          field.                                                                

REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           27.48                 
         From the CIF: _reflns_number_total               2952                  
         Count of symmetry unique reflns         1736                           
         Completeness (_total/calc)            170.05%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured      1216                           
         Fraction of Friedel pairs measured     0.700                           
         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.          


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check