Acta Cryst. (2005). E61, o1450-o1452  [ doi:10.1107/S1600536805012195 ]

8H-Benzo[g][1,3]benzodioxolo[6,5,4-de]quinolin-8-one (oxocrebanine)

L. B. Din, Z. Zakaria, A. Abdullah and B. M. Yamin

Online 27 April 2005

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.002 Å
• R factor = 0.051
• wR factor = 0.144
• Data-to-parameter ratio = 12.8

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT333_ALERT_2_C Large Average Benzene C-C Dist.  C1A    -C11A          1.45 Ang.  

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

   2 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
   0 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion

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