MgGeO3
      Kubo A, Kiefer B, Shim S H, Shen G, Prakapenka V B, Duffy T S
      American Mineralogist 93 (2008) 965-976
      Rietveld structure refinement of MgGeO3 post-perovskite phase to 1 Mbar
      Locality: Synthetic
      Sample: B041, P = 78.2 GPa, T = 300 K
      _database_code_amcsd 0004597

      CELL PARAMETERS:    2.6127   8.4674   6.4413   90.000   90.000   90.000
      SPACE GROUP: Cmcm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    142.499
      Density (g/cm3):      6.755
      MAX. ABS. INTENSITY / VOLUME**2:      54.52742998    
      RIR:      2.628
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.98         64.73        4.2337    0   2   0         2
                27.70         38.08        3.2206    0   0   2         2
                35.01        100.00        2.5633    0   2   2         4
                35.97         51.97        2.4966    1   1   0         4
                38.68          1.22        2.3278    1   1   1         8
                42.71         13.77        2.1168    0   4   0         2
                46.00         28.00        1.9732    1   1   2         8
                47.42         53.09        1.9173    1   3   0         4
                47.48          8.62        1.9149    0   2   3         4
                49.61         17.72        1.8376    1   3   1         8
                51.67          6.06        1.7690    0   4   2         4
                55.80         47.87        1.6475    1   3   2         8
                56.53          7.70        1.6279    1   1   3         8
                57.21         17.85        1.6103    0   0   4         2
                61.62          6.97        1.5051    0   2   4         4
                65.24          2.15        1.4301    1   3   3         8
                65.71          8.33        1.4211    1   5   0         4
                66.22          2.16        1.4112    0   6   0         2
                67.50          2.35        1.3877    1   5   1         8
                69.46         20.66        1.3532    1   1   4         8
                72.33         11.35        1.3063    2   0   0         2
                72.73         23.35        1.3001    1   5   2         8
                73.23         16.72        1.2926    0   6   2         4
                73.96         10.10        1.2816    0   4   4         4
                76.28          3.07        1.2483    2   2   0         4
                77.39         12.34        1.2331    1   3   4         8
                79.11          3.04        1.2106    2   0   2         4
                82.96         13.85        1.1639    2   2   2         8
                87.81          3.75        1.1117    2   4   0         4
                89.23          1.96        1.0977    1   7   0         4
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.