(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, m63-m64 [ doi:10.1107/S1600536802001629 ]

Dibromotetrakis(4-methylimidazole)copper(II)

C. Näther, M. Wriedt and I. Jeß

Online 31 January 2002

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.005 Å
R factor = 0.038
wR factor = 0.104
Data-to-parameter ratio = 25.8

checkCIF results

No syntax errors found
GLOBAL _publ field problems




 Alert Level A:


PUBL_002  Alert A The contact author's address is missing,                      
           _publ_contact_author_address.                                         

ADDSYM reports no extra symmetry


 Alert Level C:



WEIGH_01  Alert C Extra text has been found in the                              
          _refine_ls_weighting_scheme field. This should be in the              
          _refine_ls_weighting_details field.                                   
          Weighting scheme given as calc w = 1/[\s^2^(Fo^2^)+(0.0461P)^2^+0.931 
          Weighting scheme identified as calc                                   

General Notes



ABSTM_02  The ratio of expected to reported Tmax/Tmin(RR') is < 0.90            
          Tmin and Tmax reported:      0.687     0.881                          
          Tmin' and Tmax expected:      0.627     0.696                         
          RR' =      0.865                                                      
          Please check that your absorption correction is appropriate.          


 1 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check