Corundum
      Ishizawa N, Miyata T, Minato I, Marumo F, Iwai S
      Acta Crystallographica B36 (1980) 228-230
      A structural investigation of alpha-Al2O3 at 2170 K
      T = 2170 K
      _database_code_amcsd 0009700

      CELL PARAMETERS:    4.8440   4.8440  13.2700   90.000   90.000  120.000
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    269.656
      Density (g/cm3):      3.767
      MAX. ABS. INTENSITY / VOLUME**2:      10.09775277    
      RIR:      0.873
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.12         59.65        3.5458    0   1   2         6
                34.47        100.00        2.6021    1   0   4         6
                37.12         42.14        2.4220    1   1   0         6
                42.56         93.95        2.1244    1   1   3        12
                45.35          1.08        2.0000    2   0   2         6
                51.55         43.01        1.7729    0   2   4         6
                56.33         76.30        1.6332    1   1   6        12
                58.64          1.95        1.5744    2   1   1        12
                59.97          7.04        1.5425    0   1   8         6
                59.99          2.22        1.5421    1   2   2        12
                65.22         28.85        1.4306    2   1   4        12
                66.91         42.97        1.3983    3   0   0         6
                72.67          1.34        1.3011    2   0   8         6
                75.08         10.71        1.2652    1   0  10         6
                75.49          6.17        1.2594    1   1   9        12
                79.08          1.29        1.2110    2   2   0         6
                82.60          1.11        1.1680    2   2   3        12
                84.54          2.09        1.1462    1   2   8        12
                86.86          4.18        1.1214    0   2  10         6
                89.20          1.70        1.0979    1   3   4        12
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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.