(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, m91-m94 [ doi:10.1107/S1600536803001557 ]

N-Phenethylbiguanidium tetrachlorozincate(II)

M. Zhu, P. Yang and L. Lu

Online 31 January 2003

Key indicators

Single-crystal X-ray study
T = 173 K
Mean (C-C) = 0.005 Å
R factor = 0.031
wR factor = 0.063
Data-to-parameter ratio = 15.0

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



PLAT_352  Alert C Short   N-H Bond (0.87A)   N(1)   -   H(15)  =       0.76 Ang.

PLAT_352  Alert C Short   N-H Bond (0.87A)   N(2)   -   H(14)  =       0.74 Ang.

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           25.50                 
         From the CIF: _reflns_number_total               3197                  
         Count of symmetry unique reflns         1908                           
         Completeness (_total/calc)            167.56%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured      1289                           
         Fraction of Friedel pairs measured     0.676                           
         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

 2 Alert Level C = Please check