Acta Cryst. (2003). E59, o285-o287  [ doi:10.1107/S1600536803002290 ]

5-Ethyl-6-oxo-4-thioxo-1,3,2-oxazaphospholidino[3,2-a][1,3,2]benzodiazaphosphorine

S.-L. Deng, R.-Y. Chen, X.-B. Leng and L.-H. Weng

Online 7 February 2003

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.004 Å
• R factor = 0.041
• wR factor = 0.118
• Data-to-parameter ratio = 14.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level B:



ABSTM_02  Alert B The ratio of expected to reported Tmax/Tmin(RR') is < 0.75    
          Tmin and Tmax reported:      0.564     0.927                          
          Tmin' and Tmax expected:      0.891     0.927                         
          RR' =      0.633                                                      
          Please check that your absorption correction is appropriate.          


 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