Acta Cryst. (2004). E60, o510-o512  [ doi:10.1107/S1600536804004520 ]

(2SR,3SR,4RS)-tert-Butyl 2,3-dihydroxy 4-(tert-butoxycarbonyl)aminohexanoate

C. Dagoneau, J.-N. Denis, C. Philouze, M.-T. Averbuch-Pouchot and Y. Vallée

Online 6 March 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.003 Å
• R factor = 0.046
• wR factor = 0.066
• Data-to-parameter ratio = 16.0

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT021_ALERT_1_C Ratio Unique / Expected Reflections too High ...       1.03       
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.78 Ratio 
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....         C5     
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....        C13     

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

   1 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
   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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