Acta Cryst. (2005). E61, o873-o874  [ doi:10.1107/S1600536805006288 ]

2-(4-Bromophenyl)-5-(3,4-dimethoxyphenyl)-3,4-dimethylthiophene

Y. Lei, J. Shi, M. Yu and X. Zheng

Online 11 March 2005

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.004 Å
• R factor = 0.040
• wR factor = 0.105
• Data-to-parameter ratio = 19.7

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       3.32 Ratio 
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.45 Ratio 
PLAT431_ALERT_2_C Short Inter HL..A Contact  Br1    ..  O2      ..       3.24 Ang.  

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