Acta Cryst. (2006). E62, o1509-o1510  [ doi:10.1107/S1600536806009731 ]

2-[4-(Diethylamino)-2-hydroxybenzoyl]-3,4,5,6-tetrafluorobenzoic acid

F.-Y. Yan, F.-Y. Ge, W. Jin-Peng, Y. Xi-Long and B. Guo-Yi

Online 22 March 2006

Key indicators

• Single-crystal X-ray study
• T = 294 K
• Mean (C-C) = 0.004 Å
• R factor = 0.045
• wR factor = 0.131
• Data-to-parameter ratio = 14.4

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT220_ALERT_2_B Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       4.17 Ratio 
PLAT222_ALERT_3_B Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       4.52 Ratio 

Alert level C
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C15     
PLAT431_ALERT_2_C Short Inter HL..A Contact  F1     ..  O2      ..       2.93 Ang.  

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

   1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   3 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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