[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o42-o43
[ doi:10.1107/S1600536812049483 ]

8-Hydroxy-5,7-dimethylquinolin-1-ium hydrogen sulfate

K. Thanigaimani, N. C. Khalib, S. Arshad and I. A. Razak


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C STRVA01_ALERT_4_C Flack test results are ambiguous. From the CIF: _refine_ls_abs_structure_Flack 0.430 From the CIF: _refine_ls_abs_structure_Flack_su 0.070 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 3
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT033_ALERT_4_G Flack x Value Deviates .gt. 2*sigma from Zero .. 0.430 PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels .......... 3 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 4
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 0 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 2 ALERT type 3 Indicator that the structure quality may be low 4 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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