Acta Cryst. (2011). E67, o1550  [ doi:10.1107/S1600536811019623 ]

12-Benzoyl-2-methylnaphtho[2,3-b]indolizine-6,11-dione

Y. Liu, S.-H. Wang, S.-R. Shen and Z.-H. Yang

Online 28 May 2011

Key indicators

• Single-crystal X-ray study
• T = 295 K
• Mean (C-C) = 0.006 Å
• R factor = 0.064
• wR factor = 0.169
• Data-to-parameter ratio = 12.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds (x 1000) Ang ..          6      

Alert level G
PLAT333_ALERT_2_G Check Large Av C6-Ring C-C Dist. C17    -C24           1.43 Ang. 

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

   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
   1 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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