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Acta Cryst. (2012). E68, o185  [ doi:10.1107/S1600536811053992 ]

4-Methylanilinium perchlorate 18-crown-6 clathrate

Y.-F. Wang

Online 21 December 2011


Key indicators

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Alert level C PLAT042_ALERT_1_C Calc. and Reported MoietyFormula Strings Differ ? PLAT244_ALERT_4_C Low 'Solvent' Ueq as Compared to Neighbors of C17 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 4
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF .... ? PLAT194_ALERT_1_G Missing _cell_measurement_reflns_used datum .... ? PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 3 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 4 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 0 ALERT type 2 Indicator that the structure model may be wrong or deficient 1 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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