Acta Cryst. (2008). E64, o1796  [ doi:10.1107/S1600536808026020 ]

(±)-Ethyl 6,7-dimethoxy-1-(1H-pyrrol-2-yl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate

R. P. Nikolova, T. Kolev, S. M. Statkova-Abeghe and B. L. Shivachev

Online 20 August 2008

Key indicators

• Single-crystal X-ray study
• T = 290 K
• Mean (C-C) = 0.005 Å
• R factor = 0.065
• wR factor = 0.157
• Data-to-parameter ratio = 15.0

checkCIF/PLATON results

No syntax errors found




Alert level C
RINTA01_ALERT_3_C  The value of Rint is greater than 0.10
            Rint given   0.110
PLAT020_ALERT_3_C The value of Rint is greater than 0.10 .........       0.11      
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.51 Ratio
PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang ...          5      

Alert level G
PLAT793_ALERT_4_G Check the Absolute Configuration of C7     .....          S      

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   4 ALERT level C = Check and explain
   1 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
   3 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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