Acta Cryst. (2006). E62, o931-o932  [ doi:10.1107/S1600536806003515 ]

4-[(1,3-Dioxo-2-azaspiro[4.5]decan-2-yl)amino]benzoic acid

A. Dzierzawska-Majewska, J. Karolak-Wojciechowska and J. Obniska

Online 8 February 2006

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.003 Å
• R factor = 0.056
• wR factor = 0.150
• Data-to-parameter ratio = 13.9

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT062_ALERT_4_C Rescale T(min) & T(max) by .....................       1.02       
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT199_ALERT_1_C Check the Reported _cell_measurement_temperature        293 K     
PLAT200_ALERT_1_C Check the Reported _diffrn_ambient_temperature .        293 K     
PLAT351_ALERT_3_C Long    C-H Bond (0.96A)   C12    -   H12B   ...       1.12 Ang.  

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

   2 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
   2 ALERT type 4 Improvement, methodology, query or suggestion

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