Boron
      Decker B F, Kasper J S
      Acta Crystallographica 12 (1959) 503-506
      The crystal structure of a simple rhombohedral form of boron
      Locality: synthetic
      _database_code_amcsd 0009230

      CELL PARAMETERS:    4.9080   4.9080  12.5670   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    262.163
      Density (g/cm3):      2.465
      MAX. ABS. INTENSITY / VOLUME**2:      2.828783829    
      RIR:      0.374
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.21         55.05        4.1890    0   0   3         2
                22.08        100.00        4.0264    1   0   1         6
                25.30          3.76        3.5206    0   1   2         6
                35.53         64.53        2.5265    1   0   4         6
                36.62         10.88        2.4540    1   1   0         6
                41.75          3.43        2.1635    0   1   5         6
                42.70          4.23        2.1174    1   1   3        12
                43.17         52.91        2.0955    0   2   1         6
                55.57          6.11        1.6538    1   0   7         6
                56.72         11.56        1.6228    2   0   5         6
                57.86         10.71        1.5936    2   1   1        12
                63.09          9.96        1.4735    0   1   8         6
                65.23         23.77        1.4304    2   1   4        12
                65.93         11.02        1.4168    3   0   0         6
                67.02          5.65        1.3963    0   0   9         2
                68.41         12.81        1.3714    0   2   7         6
                69.43         16.16        1.3536    1   2   5        12
                70.12         16.06        1.3421    0   3   3         6
                70.12          8.75        1.3421    3   0   3         6
                75.22         19.43        1.2632    2   0   8         6
                77.85          1.63        1.2270    2   2   0         6
                81.79          1.16        1.1775    2   2   3        12
                82.12          1.33        1.1737    1   3   1        12
                86.69          1.32        1.1232    1   2   8        12
                88.65          1.70        1.1033    0   1  11         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.