Acta Cryst. (2005). E61, o886-o888  [ doi:10.1107/S1600536805006331 ]

1,2-Bis(2-chlorophenyl)-1,2-bis(3,4-dimethylphenyl)ethane-1,2-diol

N. Sampath, S. Aravindhan, M. N. Ponnuswamy and M. Nethaji

Online 11 March 2005

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.076
• wR factor = 0.175
• Data-to-parameter ratio = 16.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT022_ALERT_3_C Ratio Unique / Expected Reflections too Low ....       0.92       
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density ....       3.54       
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       3.05 Ratio 
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          5       
PLAT480_ALERT_4_C Long H...A H-Bond Reported H14A   ..  CG1     ..       2.90 Ang.  

   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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