Acta Cryst. (2009). E65, i60  [ doi:10.1107/S1600536809026579 ]

Rietveld refinement of Y₂GeO₅

E. M. Rivera-Muñoz and L. Bucio

Online 15 July 2009

Key indicators

• Powder X-ray study
• T = 300 K
• Mean (Y-O) = 0.009 Å
• R factor = 0.000
• wR factor = 0.000
• Data-to-parameter ratio = 0.0

checkCIF/PLATON results

No syntax errors found




Alert level B
POWD004_ALERT_1_B No 'Bragg' R factor has been given. Please supply a value
              for _refine_ls_R_factor_all [R(F)], refine_ls_R_Fsqd_factor
              [R(F^2)] or _refine_ls_R_I_factor [R(I)].

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
PLAT087_ALERT_2_C Unsatisfactory S value (Too High) ..............       2.90      

Alert level G
PLAT128_ALERT_4_G Non-standard setting of Space-group C2/c    ....      I2/a       

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   3 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
   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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