Acta Cryst. (2004). E60, o160-o161  [ doi:10.1107/S1600536803029295 ]

3-Cyano-4,6-dimethyl-2-pyridone (Guareschi pyridone)

V. B. Rybakov, A. A. Bush, E. V. Babaev and L. A. Aslanov

Online 10 January 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.003 Å
• R factor = 0.047
• wR factor = 0.138
• Data-to-parameter ratio = 13.0

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for    N1     -   C6       =       5.53 su    
PLAT371_ALERT_2_C Long   C(sp2)-C(sp1) Bond  C3     -   C31      =       1.45 Ang.  

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

   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
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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