H4 N Ni O9 P3
      Tordjman I, Tranqui D, Durif A, Averbuch M
      Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 91 (1968) 242-246
      Structure cristalline du metaphosphate de nickel-ammonium rhomboedrique
      Ni N H4 (P O3)3. Donnees cristallographique sur les
      metaphosphates rhomboedriques du type M^II^ N H4 (P O3)3 (M^II^ = Ni,Co,Mg)
      _cod_database_code 1007049
      _database_code_amcsd 0012128

      CELL PARAMETERS:   10.1300  10.1300   7.0980   90.000   90.000  120.000
      SPACE GROUP: R32       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    630.791
      Density (g/cm3):      2.445
      MAX. ABS. INTENSITY / VOLUME**2:      27.55088757    
      RIR:      3.669
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.06        100.00        5.5181    1   0   1         6
                17.51         73.14        5.0650    1   1   0         3
                23.85          7.61        3.7314    0   2   1         6
                29.74         28.59        3.0042    2   1   1         6
                30.57         14.97        2.9243    3   0   0         6
                32.45         47.43        2.7590    2   0   2         6
                35.45          7.22        2.5325    2   2   0         3
                37.11          9.09        2.4229    1   2   2         6
                38.03          2.10        2.3660    0   0   3         2
                39.14          5.89        2.3017    1   3   1         6
                42.15          2.81        2.1437    1   1   3         6
                43.17          2.52        2.0955    4   0   1         6
                45.18         15.68        2.0068    3   1   2         6
                46.92          3.55        1.9363    3   2   1         6
                49.56          5.69        1.8394    0   3   3         6
                49.56          4.30        1.8394    3   0   3         6
                52.25          5.68        1.7507    2   3   2         6
                54.34          5.98        1.6883    3   3   0         3
                55.89          7.95        1.6450    0   2   4         6
                57.05          2.48        1.6145    2   4   1         6
                58.70          7.38        1.5729    5   0   2         6
                59.04          1.63        1.5645    2   1   4         6
                60.16          3.95        1.5382    5   1   1         6
                61.76          1.62        1.5021    4   2   2         6
                62.40          3.27        1.4882    1   4   3         6
                62.40          2.90        1.4882    4   1   3         6
                64.73          1.31        1.4401    1   5   2         6
                65.06          3.89        1.4337    1   3   4         6
                66.57          6.63        1.4048    5   2   0         6
                66.75          1.67        1.4014    0   1   5         6
                68.24          2.67        1.3743    3   3   3         6
                70.79          2.01        1.3310    3   2   4         6
                71.80          1.98        1.3147    1   6   1         6
                72.42          1.37        1.3050    1   2   5         6
                76.33          2.74        1.2477    0   5   4         6
                76.60          1.33        1.2438    0   6   3         6
                76.60          1.52        1.2438    6   0   3         6
                77.31          1.98        1.2342    3   5   1         6
                77.31          1.21        1.2342    7   0   1         6
                80.02          1.62        1.1991    6   2   1         6
                81.33          1.65        1.1830    0   0   6         2
                81.44          3.47        1.1817    0   7   2         6
                87.34          1.13        1.1164    4   4   3         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.