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[Contents scheme]

Acta Cryst. (2013). E69, o1606
[ doi:10.1107/S1600536813026810 ]

4-[2-(Pyridin-1-ium-4-yl)eth­yl]pyridin-1-ium bis­(2,6-di­nitro­benzoate)

H. D. Arman, T. Miller and E. R. T. Tiekink


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT369_ALERT_2_C Long C(sp2)-C(sp2) Bond C1 - C7 ... 1.54 Ang. PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 5.210 Check PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 10 PLAT913_ALERT_3_C Missing # of Very Strong Reflections in FCF .... 1
Alert level G PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 2 Note PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF Please Do ! PLAT042_ALERT_1_G Calc. and Reported MoietyFormula Strings Differ Please Check PLAT860_ALERT_3_G Number of Least-Squares Restraints ............. 1 Note PLAT910_ALERT_3_G Missing # of FCF Reflections Below Th(Min) ..... 2 Why ? PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 7
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 6 ALERT level G = General information/check it is not something unexpected 1 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 1 ALERT type 5 Informative message, check

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