(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2013). E69, o377
[ doi:10.1107/S160053681300384X ]

2-(2,4-Dichlorophenoxymethyl)-5-(4-methylphenyl)imidazo[2,1-b][1,3,4]thiadiazole

B. F. Abdel-Wahab, H. A. Mohamed, S. W. Ng and E. R. T. Tiekink

Key indicators

Single-crystal X-ray study
T = 295 K
Mean (C-C) = 0.005 Å
R factor = 0.048
wR factor = 0.172
Data-to-parameter ratio = 17.3

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds ...............     0.0048 Ang  
PLAT906_ALERT_3_C Large K value in the Analysis of Variance ......      2.155      
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          1      
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.600          2      

Alert level G
PLAT005_ALERT_5_G No _iucr_refine_instructions_details  in the CIF          ?
PLAT152_ALERT_1_G The Supplied and Calc. Volume s.1. Differ by ...          2 Units

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

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