Acta Cryst. (2006). E62, o4611-o4612  [ doi:10.1107/S1600536806037895 ]

4-(Quinolin-8-yloxy)butanoic acid

Z.-B. Zheng, J.-K. Li, R.-T. Wu and Y.-F. Sun

Online 22 September 2006

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.073
• wR factor = 0.201
• Data-to-parameter ratio = 13.8

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT220_ALERT_2_C Large Non-Solvent    O     Ueq(max)/Ueq(min) ...       2.59 Ratio
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          5      

Alert level G
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature .        293 K    

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   3 ALERT level C = Check and explain
   2 ALERT level G = General alerts; check

   3 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
   1 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