Ilmenite
      Wechsler B A, Prewitt C T
      American Mineralogist 69 (1984) 176-185
      Crystal structure of ilmenite (FeTiO3) at high temperature and high pressure
      T = 24 C
      _database_code_amcsd 0000925

      CELL PARAMETERS:    5.0884   5.0884  14.0855   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    315.839
      Density (g/cm3):      4.785
      MAX. ABS. INTENSITY / VOLUME**2:      45.10728453    
      RIR:      3.069
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.82         32.10        3.7357    0   1   2         6
                32.55        100.00        2.7509    1   0   4         6
                35.28         69.73        2.5442    1   1   0         6
                38.34          1.80        2.3476    0   0   6         2
                40.32          5.11        2.2369    2  -1   3         6
                40.32         18.32        2.2369    1   1   3         6
                41.48          1.61        2.1769    0   2   1         6
                43.01          1.76        2.1028    2   0   2         6
                48.75         36.91        1.8678    0   2   4         6
                53.08         28.35        1.7253    2  -1   6         6
                53.08         21.32        1.7253    1   1   6         6
                56.26          8.09        1.6350    0   1   8         6
                56.80          2.04        1.6209   -1   3   2         6
                61.60         12.41        1.5056    2   1   4         6
                61.60         17.37        1.5056    3  -1   4         6
                63.31         29.77        1.4689    3   0   0         6
                68.18          2.42        1.3755    2   0   8         6
                70.14         11.26        1.3417    1   0  10         6
                70.66          1.38        1.3330    1   1   9         6
                74.60          6.80        1.2721    2   2   0         6
                76.50          1.29        1.2452    0   3   6         6
                76.50          1.30        1.2452    3   0   6         6
                77.79          1.09        1.2278    4  -2   3         6
                79.16          2.17        1.2100   -1   3   8         6
                79.16          1.65        1.2100    1   2   8         6
                79.61          1.37        1.2042    3   1   2         6
                81.02          5.97        1.1868    0   2  10         6
                83.78          3.17        1.1546   -1   4   4         6
                83.78          5.24        1.1546    1   3   4         6
                87.15          3.60        1.1184    4  -2   6         6
                87.15          4.49        1.1184    2   2   6         6
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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.