Acta Cryst. (2006). E62, o1173-o1175  [ doi:10.1107/S1600536806006313 ]

2-Aminopyridinium 5-formylsalicylate

S.-L. Li, J.-F. Ma and G.-J. Ping

Online 28 February 2006

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.002 Å
• R factor = 0.036
• wR factor = 0.069
• Data-to-parameter ratio = 14.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low ....         49 Perc. 
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT199_ALERT_1_C Check the Reported _cell_measurement_temperature        293 K     
PLAT200_ALERT_1_C Check the Reported _diffrn_ambient_temperature .        293 K     
PLAT230_ALERT_2_C Hirshfeld Test Diff for    O2     -   C7      ..       5.76 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    O3     -   C7      ..       5.08 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C4     -   C5      ..       6.62 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C4     -   C8      ..       5.37 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C5     -   C6      ..       5.63 su    

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   9 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   5 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
   0 ALERT type 4 Improvement, methodology, query or suggestion

Copyright © International Union of Crystallography
IUCr Webmaster