Acta Cryst. (2009). E65, o1619-o1620  [ doi:10.1107/S1600536809022521 ]

(E)-1-(4-Fluorophenyl)ethan-1-one semicarbazone

H.-K. Fun, C. S. Yeap, M. Padaki, S. Malladi and A. M. Isloor

Online 20 June 2009

Key indicators

• Single-crystal X-ray study
• T = 100 K
• Mean (C-C) = 0.001 Å
• R factor = 0.049
• wR factor = 0.151
• Data-to-parameter ratio = 23.9

checkCIF/PLATON results

No syntax errors found




Alert level C
SHFSU01_ALERT_2_C  Test not performed. _refine_ls_shift/su_max and
            _refine_ls_shift/esd_max not present.
            Absolute value of the parameter shift to su ratio given   0.001

Alert level G
PLAT180_ALERT_4_G Check Cell Rounding: # of Values Ending with 0 =          3      
PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels ..........          3      

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

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

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