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Acta Cryst. (2013). E69, o1172  [ doi:10.1107/S1600536813017303 ]

N,N'-Diphenyl-9,10-dioxo-9,10-dihydroanthracene-2,7-disulfonamide

W.-G. Yuan and H.-L. Zhang


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Alert level C PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low .... 44 % PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0067 Ang. PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 8.698 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 4
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT007_ALERT_5_G Note: Number of Unrefined Donor-H Atoms ........ 2 PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT333_ALERT_2_G Check Large Av C6-Ring C-C Dist. C10 -C16 1.46 Ang.
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 4 ALERT level C = Check. Ensure it is not caused by an omission or oversight 5 ALERT level G = General information/check it is not something unexpected 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 4 ALERT type 3 Indicator that the structure quality may be low 0 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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