(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, o841-o842 [ doi:10.1107/S1600536803010432 ]

2,2-Dimethyl-5-(N-methyl-N-methoxyaminomethylene)-1,3-dioxane-4,6-dione

A. J. Blake, H. McNab and K. Withell

Key indicators

Single-crystal X-ray study
T = 150 K
Mean (C-C) = 0.004 Å
R factor = 0.043
wR factor = 0.119
Data-to-parameter ratio = 11.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level B:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           24.97                 
         From the CIF: _reflns_number_total               1580                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         1828                           
         Completeness (_total/calc)             86.43%                          
          Alert B: < 90% complete (theta max?)                                  


 0 Alert Level A = Potentially serious problem

 1 Alert Level B = Potential problem

 0 Alert Level C = Please check