Acta Cryst. (2006). E62, i187-i189  [ doi:10.1107/S1600536806030832 ]

Rb₃PO₄W₁₂O₃₆ from X-ray powder data

S.-Y. Mao, X.-X. Ren, X.-X. Liu and J.-X. Mi

Online 16 August 2006

Key indicators

• Powder X-ray study
• T = 295 K
• Mean (P-O) = 0.012 Å
• R factor = 0.000
• wR factor = 0.000
• Data-to-parameter ratio = 5.1

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT430_ALERT_2_B Short Inter D...A Contact  O3     ..  O4      ..       2.62 Ang. 
PLAT731_ALERT_1_B Bond    Calc   4.1620(8), Rep 4.16201(17) ......       4.71 su-Ra
              W    -RB      1.555   4.546                                      
PLAT731_ALERT_1_B Bond    Calc   4.1620(8), Rep 4.16201(17) ......       4.71 su-Ra
              W    -RB      1.555   5.654                                      
PLAT731_ALERT_1_B Bond    Calc   4.1620(8), Rep 4.16201(17) ......       4.71 su-Ra
              RB   -W       1.555   4.456                                      
PLAT731_ALERT_1_B Bond    Calc   4.1620(8), Rep 4.16201(17) ......       4.71 su-Ra
              RB   -W       1.555   6.465                                      

Alert level C
REFI023_ALERT_1_C  _refine_diff_density_max is missing
            Maximum value of final difference map (e A-3).
            The following tests will not be performed
            DIFMN_01,DIFMX_01,DIFMX_02
REFI024_ALERT_1_C  _refine_diff_density_min is missing
            Minimum value of final difference map (e A-3).
            The following tests will not be performed
            DIFMN_01,DIFMN_02,DIFMN_03
RADNW01_ALERT_1_C  The radiation wavelength lies outside the expected range
            for the supplied radiation type. Expected range 1.54175-1.54180
            Wavelength given =    1.54430
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT127_ALERT_1_C Implicit Hall Symbol  Inconsistent with Explicit    -P 4bc 2bc   
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT799_ALERT_4_C Numeric Label on Displacement Par. Record ......          ?     

Alert level G
RADNT01_ALERT_1_G  Extra text has been found in the _diffrn_radiation_type field.
            Radiation given as CuK\a~1~ CuK\a~2~
            Radiation identified as Cu K\a

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

  11 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
   0 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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