Acta Cryst. (2004). E60, o1472-o1473  [ doi:10.1107/S1600536804018999 ]

4a-Hydroxy-2,3,8a-trimethyl-6-oxo-8-phenylperhydroisoquinolinium chloride

M. L. Kostochka, V. P. Lezina, A. I. Stash, S. Z. Vatsadze and N. V. Zyk

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.002 Å
• R factor = 0.027
• wR factor = 0.080
• Data-to-parameter ratio = 9.6

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT027_ALERT_3_B _diffrn_reflns_theta_full (too) Low ............      24.98 Deg.  

Alert level C
PLAT088_ALERT_3_C Poor Data / Parameter Ratio ....................       9.56       
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.20 Ratio 

   0 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
   0 ALERT type 2 Indicator that the structure model may be wrong or deficient
   3 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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