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Acta Cryst. (2013). E69, o1096  [ doi:10.1107/S1600536813014451 ]

5,6-Dihydroxy-7,8-dimethoxyflavone

L.-L. Jing, X.-F. Fan, P.-C. Fan, L. He and Z.-P. Jia


Key indicators

checkCIF/PLATON results

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Alert level C PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low ....... 0.977 PLAT220_ALERT_2_C Large Non-Solvent C Ueq(max)/Ueq(min) ... 3.1 Ratio PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0042 Ang PLAT905_ALERT_3_C Negative K value in the Analysis of Variance ... -2.639 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 57
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT007_ALERT_5_G Note: Number of Unrefined Donor-H Atoms ........ 2 PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.13 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 209
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 6 ALERT level C = Check. Ensure it is not caused by an omission or oversight 4 ALERT level G = General information/check it is not something unexpected 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 5 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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