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 = 800 C
      _database_code_amcsd 0000928

      CELL PARAMETERS:    5.1280   5.1280  14.1870   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    323.085
      Density (g/cm3):      4.678
      MAX. ABS. INTENSITY / VOLUME**2:      41.72101750    
      RIR:      2.904
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.64         30.99        3.7641    0   1   2         6
                32.30        100.00        2.7714    1   0   4         6
                35.00         67.77        2.5640    1   1   0         6
                38.06          1.52        2.3645    0   0   6         2
                40.00          5.61        2.2540    2  -1   3         6
                40.00         16.22        2.2540    1   1   3         6
                41.15          1.62        2.1938    0   2   1         6
                42.67          1.56        2.1191    2   0   2         6
                48.36         33.77        1.8821    0   2   4         6
                52.66         24.54        1.7382    2  -1   6         6
                52.66         18.25        1.7382    1   1   6         6
                55.82          7.43        1.6469    0   1   8         6
                56.32          1.80        1.6334   -1   3   2         6
                61.08         14.80        1.5172    3  -1   4         6
                61.08         10.36        1.5172    2   1   4         6
                62.77         24.79        1.4803    3   0   0         6
                67.61          2.08        1.3857    2   0   8         6
                69.56          8.59        1.3514    1   0  10         6
                70.07          1.61        1.3429    1   1   9         6
                73.93          5.20        1.2820    2   2   0         6
                78.45          1.73        1.2191   -1   3   8         6
                78.45          1.28        1.2191    1   2   8         6
                78.88          1.01        1.2135    3   1   2         6
                80.31          4.23        1.1955    0   2  10         6
                82.99          2.26        1.1635   -1   4   4         6
                82.99          3.83        1.1635    1   3   4         6
                86.32          2.40        1.1270    4  -2   6         6
                86.32          3.02        1.1270    2   2   6         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.