Acta Cryst. (2009). E65, i49-i50  [ doi:10.1107/S1600536809020467 ]

Y_0.76Ho_0.24FeGe₂O₇: a new member of thortveitite-like layered compounds

I. Rosales, E. Chavira, E. Orozco and L. Bucio

Online 6 June 2009

Key indicators

• Powder X-ray study
• T = 295 K
• Mean (Ge-O) = 0.035 Å
• Disorder in main residue
• R factor = 0.000
• wR factor = 0.000
• Data-to-parameter ratio = 14.1

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT395_ALERT_2_B Deviating  X-O-Y  Angle from 120 Deg for      O3     164.90 Deg. 

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
PLAT041_ALERT_1_C Calc. and Reported SumFormula    Strings  Differ          ?
PLAT045_ALERT_1_C Calculated and Reported Z Differ by ............       0.25 Ratio
PLAT077_ALERT_4_C Unitcell contains non-integer number of atoms ..          ?
PLAT153_ALERT_1_C The su's on the Cell Axes   are Equal (x 100000)         20 Ang. 
PLAT799_ALERT_4_C Numeric Label on Displacement Par. Record ......          ?     

Alert level G
PLAT301_ALERT_3_G Note Main Residue  Disorder ....................       2.00 Perc.

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

   5 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
   1 ALERT type 3 Indicator that the structure quality may be low
   2 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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