Acta Cryst. (2011). E67, o1790  [ doi:10.1107/S1600536811024202 ]

2,4,5-Triphenyl-1,3,2-dioxaphospholan-2-one

D. B. Cordes, G. Hua, A. M. Z. Slawin and J. D. Woollins

Online 25 June 2011

Key indicators

• Single-crystal X-ray study
• T = 93 K
• Mean (C-C) = 0.006 Å
• R factor = 0.090
• wR factor = 0.256
• Data-to-parameter ratio = 16.0

checkCIF/PLATON results

No syntax errors found




Alert level C
RFACR01_ALERT_3_C  The value of the weighted R factor is > 0.25
            Weighted R factor given   0.256
PLAT084_ALERT_2_C High wR2 Value .................................       0.26      
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds (x 1000) Ang ..          6      
PLAT480_ALERT_4_C Long H...A H-Bond Reported H12    ..  C18     ..       2.83 Ang. 
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.600         37      
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600        663      

Alert level G
PLAT072_ALERT_2_G SHELXL First  Parameter in WGHT Unusually Large.       0.13      
PLAT793_ALERT_4_G The Model has Chirality at C1      (Verify) ....          S      
PLAT793_ALERT_4_G The Model has Chirality at C2      (Verify) ....          R      

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   6 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   3 ALERT level G = General information/check it is not something unexpected

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 ALERT type 2 Indicator that the structure model may be wrong or deficient
   3 ALERT type 3 Indicator that the structure quality may be low
   4 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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