B3 K3 O6
      Zachariasen W
      Journal of Chemical Physics 5 (1937) 919-922
      The Crystal Structure of Potassium Metaborate K3 (B3 O6)
      _cod_database_code 1010521
      _database_code_amcsd 0017432

      CELL PARAMETERS:    7.7600   7.7600   7.7600  110.600  110.600  110.600
      SPACE GROUP: R-3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    343.866
      Density (g/cm3):      2.373
      MAX. ABS. INTENSITY / VOLUME**2:      11.60385841    
      RIR:      1.592
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.54          5.15        3.6272    0  -1   2        12
                25.65         30.92        3.4729    1   1   0         6
                27.97          5.67        3.1899    0  -2   2         6
                29.28         93.15        3.0502    2   0   0         6
                31.65        100.00        2.8268    2  -2   1        12
                32.54          9.08        2.7519    2  -1   1        12
                37.29          2.29        2.4114    2  -3   1        12
                37.55         19.60        2.3954    0  -2   3        12
                38.31         19.93        2.3493    0  -1   3        12
                39.56         31.83        2.2780    2   1   0        12
                40.94          8.11        2.2046    2  -2   2         6
                42.51         26.76        2.1266    0  -3   3         6
                45.15         17.93        2.0081    3  -3   1        12
                47.47         16.04        1.9155   -1  -2   4        12
                48.10          9.44        1.8916   -1  -1   4         6
                50.31          2.51        1.8136    0  -2   4        12
                50.58          2.41        1.8046    2   1   1         6
                51.66          3.48        1.7694    3  -4   1        12
                51.86          7.84        1.7631    0  -3   4        12
                52.45          5.42        1.7445    3  -3   2        12
                52.71         11.96        1.7364    2   2   0         6
                53.43          9.07        1.7147    3  -2   2        12
                53.43          9.07        1.7147    0  -1   4        12
                54.79          1.37        1.6755    3   1   0        12
                57.50          2.38        1.6028    4  -2   1        12
                57.81          1.34        1.5950    0  -4   4         6
                58.79          3.98        1.5707    3  -1   2        12
                59.95          5.06        1.5431    4  -4   1        12
                60.49          1.63        1.5306   -1  -2   5        12
                60.73          1.69        1.5251    4   0   0         6
                64.27          5.34        1.4494    3  -4   3         6
                64.27          2.74        1.4494    0  -3   5        12
                66.11          1.94        1.4134    4  -4   2        12
                66.34          2.51        1.4091    3  -2   3         6
                69.94          1.74        1.3450    0  -1   5        12
                70.55          5.39        1.3348    5  -3   1        12
                71.44          5.02        1.3205    4   1   0        12
                71.50          2.29        1.3196    5  -4   1        12
                74.93          1.08        1.2673    4  -1   2        12
                76.23          4.53        1.2489    5  -5   1        12
                78.43          3.16        1.2194    2   2   2         2
                80.08          1.50        1.1984    5  -1   1        12
                81.77          1.39        1.1778    4  -2   3        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.