[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o79
[ doi:10.1107/S1600536812050076 ]

1-Methoxy-11H-benzo[b]fluoren-11-one

S.-K. Fang, C.-W. Chang, H.-Y. Tsai, M.-H. Luo and K.-Y. Chen


Key indicators

checkCIF/PLATON results

No syntax errors found




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 PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0046 Ang PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 25 PLAT918_ALERT_3_C Reflection(s) # with I(obs) much smaller I(calc) 2 PLAT939_ALERT_3_C Large Value of Not (SHELXL) Weight Optimized S . 39.69
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.10 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 20
0 ALERT level A = Most likely a serious problem - resolve or explain 2 ALERT level B = A potentially serious problem, consider carefully 4 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 0 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 6 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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