Acta Cryst. (2004). E60, i74-i76  [ doi:10.1107/S1600536804011353 ]

Tripotassium dibismuth(III) tris[arsenate(V)], K₃Bi₂(AsO₄)₃

C. Falah, H. Boughzala and T. Jouini

Online 15 May 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (As-O) = 0.007 Å
• R factor = 0.026
• wR factor = 0.051
• Data-to-parameter ratio = 12.7

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT213_ALERT_2_B Atom O5      has ADP max/min Ratio .............       4.60 oblate
PLAT213_ALERT_2_B Atom O6      has ADP max/min Ratio .............       4.80 oblate

Alert level C
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT731_ALERT_1_C Bond    Calc  3.9993(12), Rep   3.9993(3) ......       4.00 su-Rat
              BI   -K3      1.555   4.555                                       
PLAT731_ALERT_1_C Bond    Calc  3.5364(11), Rep   3.5364(5) ......       2.20 su-Rat
              AS1  -K2      1.555   1.555                                       
PLAT731_ALERT_1_C Bond    Calc  3.5364(11), Rep   3.5364(5) ......       2.20 su-Rat
              AS1  -K2      1.555   1.556                                       
PLAT731_ALERT_1_C Bond    Calc  3.5364(11), Rep   3.5364(5) ......       2.20 su-Rat
              K2   -AS1     1.555   1.554                                       
PLAT741_ALERT_1_C Bond    Calc  3.5045(10), Rep     3.50440 ......    Missing su    
              K3   -K3      1.555   2.655                                       
PLAT741_ALERT_1_C Bond    Calc  3.5045(10), Rep     3.50440 ......    Missing su    
              K3   -K3      1.555   2.656                                       

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

   7 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

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