Acta Cryst. (2007). E63, i35-i37  [ doi:10.1107/S1600536807000359 ]

Gallium-tin mixing in BaGa_4-xSn_x [x = 0.89 (2)] with the BaAl₄ structure type

P. H. Tobash, Y. Yamasaki and S. Bobev

Online 10 January 2007

Key indicators

• Single-crystal X-ray study
• T = 120 K
• Mean () = 0.000 Å
• Disorder in main residue
• R factor = 0.018
• wR factor = 0.039
• Data-to-parameter ratio = 10.3

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?
PLAT045_ALERT_1_C Calculated and Reported Z Differ by ............       0.50 Ratio
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT068_ALERT_1_C Reported F000 Differs from Calcd (or Missing)...          ?
PLAT077_ALERT_4_C Unitcell contains non-integer number of atoms ..          ?
PLAT301_ALERT_3_C Main Residue  Disorder .........................      25.00 Perc.

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

   4 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   0 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
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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