Acta Cryst. (2004). E60, o517-o519  [ doi:10.1107/S160053680400491X ]

Dimethyl 5,5-dicyano-2-hydroxy-4,6-diphenylcyclohex-1-ene-1,3-dicarboxylate

M. Akkurt, S. Öztürk, E. Stoyanov, O. Büyükgüngör and D. Heber

Online 13 March 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.002 Å
• R factor = 0.037
• wR factor = 0.096
• Data-to-parameter ratio = 14.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low .......       0.97       
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.30 Ratio 
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C12    -   C13     ..       5.43 su    
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C12    -   C14     ..       5.74 su    
PLAT482_ALERT_4_C Small D-H..A Angle Rep for C7     ..  O3      ..      97.00 Deg.  

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   5 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
   2 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion

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