Acta Cryst. (2007). E63, i198  [ doi:10.1107/S1600536807058278 ]

Rubidium potassium hexafluoridozirconate(IV) bis(hydrogen fluoride), Rb_2-xK_xZrF₆·2HF (x = 0.4171)

A. V. Gerasimenko, N. A. Didenko and V. Y. Kavun

Online 21 November 2007

Key indicators

• Single-crystal X-ray study
• T = 173 K
• Mean (r-F) = 0.001 Å
• Disorder in main residue
• R factor = 0.026
• wR factor = 0.061
• Data-to-parameter ratio = 20.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT045_ALERT_1_C Calculated and Reported Z Differ by ............       0.50 Ratio
PLAT077_ALERT_4_C Unitcell contains non-integer number of atoms ..          ?
PLAT301_ALERT_3_C Main Residue  Disorder .........................      14.00 Perc.

Alert level G
PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints .......          1      

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

   3 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
   2 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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