(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o1125-o1127 [ doi:10.1107/S1600536802016598 ]

Triethylammonium 8-acetyl-3-methyl-9-phenyl-7-oxo-2-azaspiro[4.5]dec-2-ene-4-nitronate

M. F. A. Adamo, S. Chimichi, D. Donati and P. Sarti-Fantoni

Online 20 September 2002

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.004 Å
R factor = 0.043
wR factor = 0.125
Data-to-parameter ratio = 10.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           30.00                 
         From the CIF: _reflns_number_total               3539                  
         Count of symmetry unique reflns         3546                           
         Completeness (_total/calc)             99.80%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured         0                           
         Fraction of Friedel pairs measured     0.000                           
         Are heavy atom types Z>Si present           no                         
          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.