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Acta Cryst. (2011). E67, o1919  [ doi:10.1107/S1600536811025645 ]

9-Phenyl-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole

W. Wu and J. Tang

Online 6 July 2011


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Alert level B PLAT919_ALERT_3_B Reflection # Likely Affected by the Beamstop ... 1 PLAT934_ALERT_3_B Number of (Iobs-Icalc)/SigmaW .gt. 10 Outliers . 1
Alert level C DIFMX01_ALERT_2_C The maximum difference density is > 0.1*ZMAX*0.75 _refine_diff_density_max given = 0.717 Test value = 0.600 DIFMX02_ALERT_1_C The maximum difference density is > 0.1*ZMAX*0.75 The relevant atom site should be identified. PLAT097_ALERT_2_C Large Reported Max. (Positive) Residual Density 0.72 eA-3 PLAT220_ALERT_2_C Large Non-Solvent C Ueq(max)/Ueq(min) ... 3.4 Ratio PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for O3 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C19 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C21 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C25 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C29 PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0046 Ang PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 18 PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L= 0.600 8 PLAT913_ALERT_3_C Missing # of Very Strong Reflections in FCF .... 6
Alert level G PLAT003_ALERT_2_G Number of Uiso or Uij Restrained Atom Sites .... 3 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF .... ? PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 15
0 ALERT level A = Most likely a serious problem - resolve or explain 2 ALERT level B = A potentially serious problem, consider carefully 14 ALERT level C = Check. Ensure it is not caused by an omission or oversight 3 ALERT level G = General information/check it is not something unexpected 1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 9 ALERT type 2 Indicator that the structure model may be wrong or deficient 7 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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