Acta Cryst. (2011). E67, o1092  [ doi:10.1107/S1600536811013237 ]

4-(Diethylamino)salicylaldehyde azine

J.-B. Qiu and B.-Z. Yin

Online 13 April 2011

Key indicators

• Single-crystal X-ray study
• T = 290 K
• Mean (C-C) = 0.004 Å
• R factor = 0.074
• wR factor = 0.228
• Data-to-parameter ratio = 18.8

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT093_ALERT_1_B No su's on H-atoms, but refinement reported as .      mixed     
PLAT230_ALERT_2_B Hirshfeld Test Diff for    N2     --  C8      ..      10.67 su   

Alert level C
PLAT480_ALERT_4_C Long H...A H-Bond Reported H8B    ..  O1      ..       2.64 Ang. 
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          3      
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600          7      

Alert level G
PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite          2      
PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints .......          1      

   0 ALERT level A = Most likely a serious problem - resolve or explain
   2 ALERT level B = A potentially serious problem, consider carefully
   3 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
   2 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 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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