[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o591
[ doi:10.1107/S160053681300754X ]

Cyclohexane-1,4-dicarboxylic acid-pyridinium-4-olate (1/1)

A. Cruz-Enríquez, H. J. Peinado-Guevara, V. Reyes-Marquez, H. Höpfl and J. J. Campos-Gaxiola


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C7 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C8 PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0043 Ang PLAT480_ALERT_4_C Long H...A H-Bond Reported H1A .. O2 .. 2.67 Ang. PLAT480_ALERT_4_C Long H...A H-Bond Reported H11 .. O2 .. 2.62 Ang. PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 8.637 PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.536
Alert level G PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 6 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT042_ALERT_1_G Calc. and Reported MoietyFormula Strings Differ ? PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 3 PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still 90 Perc.
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 7 ALERT level C = Check. Ensure it is not caused by an omission or oversight 7 ALERT level G = General information/check it is not something unexpected 3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 3 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 2 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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