Acta Cryst. (2003). E59, o878-o880  [ doi:10.1107/S1600536803011267 ]

L-Leucinium oxalate

K. Rajagopal, R. V. Krishnakumar, M. Subha Nandhini, R. Malathi, S. S. Rajan and S. Natarajan

Online 31 May 2003

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.045
• wR factor = 0.117
• Data-to-parameter ratio = 7.4

checkCIF results

No syntax errors found


 Alert Level B:



PLAT_111  Alert B ADDSYM Detects (Pseudo) Centre of Symmetry ...         86 Perc Fit

PLAT_113  Alert B ADDSYM Suggests Possible Pseudo/New Spacegroup       P-1


 Alert Level C:



PLAT_369  Alert C Long   C(sp2)-C(sp2) Bond  C(31)  -   C(32)  =       1.55 Ang.

PLAT_369  Alert C Long   C(sp2)-C(sp2) Bond  C(41)  -   C(42)  =       1.54 Ang.

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           72.00                 
         From the CIF: _reflns_number_total               2003                  
         Count of symmetry unique reflns         2078                           
         Completeness (_total/calc)             96.39%                          
         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.          


 0 Alert Level A = Potentially serious problem

 2 Alert Level B = Potential problem

 2 Alert Level C = Please check

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