Acta Cryst. (2003). E59, o1735-o1737  [ doi:10.1107/S1600536803023122 ]

Methyl 6-bromo-2,3-dihydro-2-methylimidazo[2,1-b]oxazole-5-carboxylate

G. A. Kraus, P. K. Choudhury and A. Ellern

Online 23 October 2003

Key indicators

• Single-crystal X-ray study
• T = 173 K
• Mean (C-C) = 0.005 Å
• R factor = 0.040
• wR factor = 0.107
• Data-to-parameter ratio = 15.4

checkCIF/PLATON results

No syntax errors found



Alert level A
PLAT029_ALERT_3_A _diffrn_measured_fraction_theta_full Low .......       0.97       

Alert level B
PLAT431_ALERT_2_B Short Inter HL..A Contact  Br1    ..  O2       =       3.01 Ang.  

Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.59 Ratio 
PLAT250_ALERT_2_C Large U3/U1 ratio for average U(i,j) tensor ....       2.10       

   1 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   2 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
   3 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

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