Acta Cryst. (2004). E60, o244-o245  [ doi:10.1107/S1600536804001011 ]

5-Chloro-6-(2-fluorobenzoyl)-1,3-benzoxazol-2(3H)-one

A. Aydin, T. Önkol, M. Akkurt, O. Büyükgüngör and S. Ünlü

Online 23 January 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.002 Å
• R factor = 0.032
• wR factor = 0.073
• Data-to-parameter ratio = 16.3

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT230_ALERT_2_B Hirshfeld Test Diff for    N1     -   C1       =       7.03 su    

Alert level C
PLAT063_ALERT_3_C Crystal Probably too Large for Beam Size .......       0.62 mm    
PLAT141_ALERT_4_C su on a - Axis Small or Missing (x 100000) .....          0 Ang.  
PLAT142_ALERT_4_C su on b - Axis Small or Missing (x 100000) .....          0 Ang.  
PLAT143_ALERT_4_C su on c - Axis Small or Missing (x 100000) .....          0 Ang.  
PLAT151_ALERT_1_C No su (esd) Given on Volume ....................          ?
PLAT230_ALERT_2_C Hirshfeld Test Diff for    F1     -   C14      =       5.50 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    O2     -   C1       =       6.47 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C9     -   C14      =       5.16 su    

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   8 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

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

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