K3Nb3B2O12
      Choisnet J, Groult D, Raveau B, Gasperin M
      Acta Crystallographica B33 (1977) 1841-1845
      Nouvelles structures a tunnels de section pentagonale
      K3Nb3B2O12 et K3Ta3B2O12
      _cod_database_code 1001008
      _database_code_amcsd 0009593

      CELL PARAMETERS:   34.0100  34.0100   3.9660   90.000   90.000  120.000
      SPACE GROUP: P31m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   3972.799
      Density (g/cm3):      4.076
      MAX. ABS. INTENSITY / VOLUME**2:      34.46031297    
      RIR:      2.753
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.02         45.73        7.3634    4   0   0         6
                20.90         79.73        4.2512    4   4   0         3
                22.42         52.10        3.9660    0   0   1         1
                24.17          7.89        3.6817    8   0   0         6
                25.51         26.35        3.4917    4   0   1         6
                30.83         48.31        2.9000    4   4   1         3
                30.83         47.81        2.9000    8  -4   1         3
                32.16        100.00        2.7831    8   4   0         6
                33.20         40.07        2.6983    8   0   1         6
                36.61          8.96        2.4545   12   0   0         6
                39.56          8.26        2.2781   12  -4   1         6
                39.56          8.21        2.2781    8   4   1         6
                42.53         11.78        2.1256    8   8   0         3
                44.36         11.16        2.0422   12   4   0         6
                45.76         27.91        1.9830    0   0   2         1
                47.48          2.37        1.9148    4   0   2         6
                48.60          3.46        1.8735   16  -8   1         3
                48.60          3.42        1.8735    8   8   1         3
                49.52         22.46        1.8408   16   0   0         6
                50.25          5.23        1.8157   16  -4   1         6
                50.25          5.17        1.8157   12   4   1         6
                50.81          5.46        1.7971    4   4   2         3
                50.81          5.43        1.7971    8  -4   2         3
                52.41          1.23        1.7459    8   0   2         6
                54.31         18.58        1.6893   12   8   0         6
                54.99         22.76        1.6697   16   0   1         6
                57.03         14.28        1.6150    8   4   2         6
                57.03         14.41        1.6150   12  -4   2         6
                57.34          3.84        1.6068   16   4   0         6
                59.48         11.59        1.5542   20  -8   1         6
                59.48         11.66        1.5542   12   8   1         6
                59.97          3.18        1.5425   12   0   2         6
                62.35          3.88        1.4892   16   4   1         6
                62.35          3.87        1.4892   20  -4   1         6
                63.13          4.51        1.4727   20   0   0         6
                64.24          2.16        1.4500   16  -8   2         3
                64.24          2.18        1.4500    8   8   2         3
                65.62          2.15        1.4227   16  -4   2         6
                65.62          2.22        1.4227   12   4   2         6
                65.92          5.85        1.4171   12  12   0         3
                67.28          3.64        1.3915   16   8   0         6
                69.70         11.33        1.3491   16   0   2         6
                70.58          1.25        1.3345   24 -12   1         3
                70.58          1.24        1.3345   12  12   1         3
                71.31          6.59        1.3225   20   4   0         6
                71.90          1.43        1.3131   24  -8   1         6
                71.90          1.43        1.3131   16   8   1         6
                73.67          5.31        1.2859   12   8   2         6
                73.67          5.29        1.2859   20  -8   2         6
                75.28          1.95        1.2624    8  -4   3         3
                75.28          2.04        1.2624    4   4   3         3
                75.83          2.79        1.2546   24  -4   1         6
                75.83          2.79        1.2546   20   4   1         6
                76.27          1.22        1.2484   16   4   2         6
                76.27          1.21        1.2484   20  -4   2         6
                76.57          1.84        1.2442    8   0   3         6
                81.39          3.33        1.1823   20   0   2         6
                81.66          1.02        1.1791   20   8   0         6
                83.93          2.33        1.1529   24 -12   2         3
                83.93          2.30        1.1529   12  12   2         3
                85.19          1.51        1.1391   24  -8   2         6
                85.19          1.51        1.1391   16   8   2         6
                88.96          2.91        1.1003   24  -4   2         6
                88.96          2.89        1.1003   20   4   2         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.