Acta Cryst. (2002). E58, o165-o166  [ doi:10.1107/S1600536802000880 ]

Benzyl (1R*,3S*)-3,6-dihydro-3-methyl-1⁴,2-thiazine-2-carboxylate 1-oxide

L. K. Hansen, A. Bayer and O. R. Gautun

Online 25 January 2002

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.005 Å
• R factor = 0.035
• wR factor = 0.107
• Data-to-parameter ratio = 10.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level B:



PLAT_030  Alert B Refined Extinction parameter within range ....       2.00 Sigma

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           26.98                 
         From the CIF: _reflns_number_total               1695                  
         Count of symmetry unique reflns         1697                           
         Completeness (_total/calc)             99.88%                          
         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          yes                         
          WARNING: Large fraction of Friedel related reflns may                 
                   be needed to determine absolute structure                    


 0 Alert Level A = Potentially serious problem

 1 Alert Level B = Potential problem

 0 Alert Level C = Please check

Copyright © International Union of Crystallography
IUCr Webmaster