Acta Cryst. (2003). E59, o1640-o1641  [ doi:10.1107/S1600536803020907 ]

3,10-Bis(2,6-dichlorophenyl)-4,11-diphenyl-1,8-dioxa-2,9-diazadispiro[4.1.4.2]trideca-2,9-dien-6-one

X.-F. Li, Y.-Q. Feng, B. Gao and N. Li

Online 7 October 2003

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.004 Å
• R factor = 0.048
• wR factor = 0.108
• Data-to-parameter ratio = 16.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density ....       2.28       
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.52 Ratio 

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   3 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
   1 ALERT type 4 Improvement, methodology, query or suggestion

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