Na Nb6 O24 P3 Rb2
      Costentin G, Borel M, Grandin A, Leclaire A, Raveau B
      Materials Research Bulletin 26 (1991) 301-307
      A large family of niobium phosphates with the Ca0.5Cs2Nb6P3O24 structure
      _cod_database_code 1001862
      _database_code_amcsd 0014358

      CELL PARAMETERS:   13.3518  13.3518  10.3415   90.000   90.000  120.000
      SPACE GROUP: R32       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1596.592
      Density (g/cm3):      3.831
      MAX. ABS. INTENSITY / VOLUME**2:      54.45069835    
      RIR:      4.628
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.48         16.24        7.7084    1   0   1         6
                13.26         25.13        6.6759    1   1   0         3
                18.80         22.71        4.7203    0   1   2         6
                22.08          2.93        4.0257    2   1   1         6
                23.08          1.49        3.8543    3   0   0         6
                25.85         32.81        3.4472    0   0   3         2
                26.71         97.67        3.3379    2   2   0         3
                26.71          2.33        3.3378    1   2   2         6
                29.15         27.66        3.0631    1   3   1         6
                29.16         23.07        3.0629    1   1   3         6
                32.86         13.88        2.7254    3   1   2         6
                34.92          5.43        2.5695    3   2   1         6
                34.92          3.69        2.5695    0   3   3         6
                34.92          2.90        2.5695    3   0   3         6
                35.58          1.15        2.5232    0   4   2         6
                37.51         11.15        2.3980    2   2   3         6
                38.13          5.12        2.3603    2   3   2         6
                40.54          1.38        2.2253    3   3   0         3
                42.27          1.92        2.1380    2   4   1         6
                44.50          5.68        2.0361    5   1   1         6
                44.50          1.04        2.0361    4   1   3         6
                44.50          9.10        2.0360    0   1   5         6
                45.04          1.05        2.0128    4   2   2         6
                45.04          4.10        2.0128    1   3   4         6
                47.16         15.35        1.9272    6   0   0         6
                47.16          1.24        1.9271    1   5   2         6
                48.70          2.37        1.8696    4   3   1         6
                48.70          3.08        1.8696    3   3   3         6
                48.71          2.72        1.8695    1   2   5         6
                49.21          1.68        1.8516    5   2   0         6
                49.21          3.63        1.8515    3   2   4         6
                52.66          8.32        1.7383    1   6   1         6
                52.66          6.61        1.7382    3   1   5         6
                53.14          2.88        1.7236    0   0   6         2
                54.55          2.37        1.6821    0   6   3         6
                54.55          1.84        1.6821    6   0   3         6
                55.02          7.37        1.6690    4   4   0         3
                55.02          6.07        1.6690    6   1   2         6
                55.02          2.37        1.6689    2   4   4         6
                55.03          4.15        1.6689    1   1   6         6
                56.41          6.85        1.6312    3   5   1         6
                56.41          2.90        1.6312    2   5   3         6
                56.41          1.02        1.6312    5   2   3         6
                56.41          8.80        1.6311    2   3   5         6
                58.67          4.16        1.5735    5   3   2         6
                58.68          1.91        1.5734    0   3   6         6
                60.45          3.51        1.5315    2   2   6         6
                61.75          2.31        1.5022    4   4   3         6
                63.47          1.82        1.4655    5   4   1         6
                63.48          1.23        1.4655    1   5   5         6
                63.90          3.00        1.4568    1   6   4         6
                65.59          1.92        1.4233    4   5   2         6
                65.59          1.85        1.4232    4   1   6         6
                67.26          1.36        1.3920    3   5   4         6
                68.91          2.49        1.3627    6   2   4         6
                68.91          1.07        1.3626    3   3   6         6
                70.13          1.56        1.3419    8   1   1         6
                70.13          5.31        1.3419    6   1   5         6
                73.35          1.92        1.2908    7   3   1         6
                73.35          1.72        1.2907    0   7   5         6
                73.35          2.74        1.2907    5   3   5         6
                73.75          1.26        1.2848    5   4   4         6
                75.33          1.26        1.2616    8   2   0         6
                75.33          1.16        1.2616    0   8   4         6
                75.33          2.57        1.2616    2   5   6         6
                79.64          2.41        1.2039    1   9   1         6
                79.64          3.36        1.2039    4   5   5         6
                81.57          1.26        1.1801    9   1   2         6
                89.25          1.42        1.0975    1   9   4         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.