O3 Sm2
      Zachariasen W
      Norsk Geologisk Tidsskrift 9 (1927) 310-316
      The crystal structure of the modification C of the sesquioxides of the
      rare earth metals, and of indium and thallium.
      _cod_database_code 1010340
      _database_code_amcsd 0017266

      CELL PARAMETERS:   10.8500  10.8500  10.8500   90.000   90.000   90.000
      SPACE GROUP: I2_13     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1277.289
      Density (g/cm3):      7.253
      MAX. ABS. INTENSITY / VOLUME**2:      351.9601756    
      RIR:     15.802
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.05          2.57        4.4295    2   1   1        12
                28.50        100.00        3.1321    2   2   2         4
                30.84          3.89        2.8998    3   2   1        12
                30.84          4.05        2.8998    3   1   2        12
                33.02         32.91        2.7125    4   0   0         6
                35.09          4.76        2.5574    4   1   1        12
                38.93          1.36        2.3132    3   3   2        12
                42.48          4.20        2.1279    4   3   1        12
                42.48          3.75        2.1279    4   1   3        12
                45.81          2.73        1.9809    5   2   1        12
                45.81          1.77        1.9809    5   1   2        12
                47.40         35.45        1.9180    4   4   0        12
                48.95          1.88        1.8608    4   3   3        12
                51.95          3.24        1.7601    6   1   1        12
                54.84          1.62        1.6742    5   4   1        12
                54.84          1.55        1.6742    5   1   4        12
                56.24         26.17        1.6357    6   2   2        12
                57.62          1.67        1.5997    6   3   1        12
                57.62          1.68        1.5997    6   1   3        12
                58.98          4.88        1.5661    4   4   4         4
                60.32          1.10        1.5344    5   4   3        12
                62.95          1.19        1.4765    6   3   3        12
                64.24          1.20        1.4499    6   4   2        12
                69.28          3.46        1.3563    8   0   0         6
                70.51          1.01        1.3355    8   1   1        12
                76.55          5.77        1.2446    6   6   2        12
                78.92          2.09        1.2131    8   0   4        12
                78.92          2.09        1.2131    8   4   0        12
                88.24          3.79        1.1074    8   4   4        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.