Acta Cryst. (2004). E60, o283-o284  [ doi:10.1107/S1600536804001497 ]

Methyl 6-amino-5-cyano-2-methoxycarbonylmethyl-4-phenyl-4H-pyran-3-carboxylate

S. Öztürk, M. Akkurt, E. Stoyanov, O. Büyükgüngör and D. Heber

Online 30 January 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.002 Å
• R factor = 0.038
• wR factor = 0.108
• Data-to-parameter ratio = 13.6

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C4     -   C6       =       5.51 su    
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....        C16     

   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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