Acta Cryst. (2008). E64, o490  [ doi:10.1107/S1600536808001517 ]

9-n-Butyl-9,9'-bi[9H-fluorene]

S.-Q. Yu, B.-B. Hu and P. Lu

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.002 Å
• R factor = 0.040
• wR factor = 0.122
• Data-to-parameter ratio = 18.2

checkCIF/PLATON results

No syntax errors found




Alert level G
PLAT793_ALERT_2_G Check the Absolute Configuration of C1     .....          S      
PLAT793_ALERT_2_G Check the Absolute Configuration of C14    .....          S      

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   0 ALERT level C = Check and explain
   2 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
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

Copyright © International Union of Crystallography
IUCr Webmaster