Acta Cryst. (2005). E61, o1004-o1006  [ doi:10.1107/S1600536805007531 ]

5-(1-Cyclohexen-1-yl)-1,5-dimethylbarbituric acid (hexobarbitone): a low-temperature redetermination

G. S. Nichol and W. Clegg

Online 18 March 2005

Key indicators

• Single-crystal X-ray study
• T = 150 K
• Mean (C-C) = 0.002 Å
• R factor = 0.036
• wR factor = 0.099
• Data-to-parameter ratio = 17.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density ....       2.50       

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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