Natrolite-NH4 exchanged
      Stuckenschmidt E, Kassner D, Joswig W, Baur W H
      European Journal of Mineralogy 4 (1992) 1229-1240
      Flexibility and distortion of the collapsible framework
      of NAT topology: the crystal structure of NH4-exchanged natrolite
      _database_code_amcsd 0006462

      CELL PARAMETERS:   17.8990  18.3900   6.5290   90.000   90.000   90.000
      SPACE GROUP: C2_1      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2149.103
      Density (g/cm3):      2.066
      MAX. ABS. INTENSITY / VOLUME**2:      8.995225361    
      RIR:      1.418
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.81         51.62        6.4133   -2   2   0         2
                13.81         48.38        6.4133    2   2   0         2
                15.23         28.89        5.8186    1   1   1         2
                15.23         27.53        5.8186    1  -1   1         2
                19.31         11.52        4.5975    0   4   0         2
                19.84          6.87        4.4748    4   0   0         2
                20.48         16.04        4.3359    1   3   1         2
                20.48         14.42        4.3359   -1   3   1         2
                20.74         17.57        4.2832    3   1   1         2
                20.74         19.00        4.2832    3  -1   1         2
                21.73          8.44        4.0894   -2   4   0         2
                21.73          8.50        4.0894    2   4   0         2
                22.09          6.68        4.0236   -4   2   0         2
                22.09          5.72        4.0236    4   2   0         2
                27.82          5.41        3.2066   -4   4   0         2
                27.82          6.05        3.2066    4   4   0         2
                28.29          9.67        3.1544    1   5   1         2
                28.29         10.27        3.1544   -1   5   1         2
                28.85         12.15        3.0942    5   1   1         2
                28.85         11.94        3.0942    5  -1   1         2
                29.03         17.60        3.0764    0   2   2         2
                29.12         16.62        3.0668    2   0   2         2
                30.73          9.87        2.9093    2   2   2         2
                30.73         10.13        2.9093    2  -2   2         2
                31.69         18.74        2.8231    3   5   1         2
                31.69         20.90        2.8231   -3   5   1         2
                32.03         16.57        2.7939    5   3   1         2
                32.03         16.97        2.7939    5  -3   1         2
                37.23          3.92        2.4149    1   7   1         2
                37.23          3.92        2.4149   -1   7   1         2
                37.67          2.27        2.3876    5   5   1         2
                37.67          2.07        2.3876    5  -5   1         2
                38.11          3.28        2.3612    7   1   1         2
                38.11          3.87        2.3612    7  -1   1         2
                39.96          1.05        2.2562    3   7   1         2
                39.96          1.01        2.2562   -3   7   1         2
                40.36          1.04        2.2345    0   6   2         2
                40.52          1.13        2.2265   -2   8   0         2
                40.52          1.24        2.2265    2   8   0         2
                40.65          1.06        2.2194    7   3   1         2
                40.65          1.29        2.2194    7  -3   1         2
                41.54          1.39        2.1739    8   2   0         2
                41.54          1.61        2.1739   -8   2   0         2
                41.66          3.76        2.1679    2   6   2         2
                41.66          3.50        2.1679   -2   6   2         2
                42.20          3.22        2.1416    6   2   2         2
                42.20          2.96        2.1416    6  -2   2         2
                42.28          1.58        2.1378   -6   6   0         2
                42.28          1.42        2.1378    6   6   0         2
                44.46          1.18        2.0376    1   3   3         2
                44.46          1.37        2.0376   -1   3   3         2
                44.59          1.44        2.0320    3   1   3         2
                44.59          1.26        2.0320    3  -1   3         2
                46.84          2.49        1.9395    3   3   3         2
                46.84          2.31        1.9395    3  -3   3         2
                49.25          1.12        1.8502    5   1   3         2
                49.25          1.00        1.8502    5  -1   3         2
                50.68          2.65        1.8014   -2  10   0         2
                50.68          2.47        1.8014    2  10   0         2
                51.11          1.48        1.7870    3   5   3         2
                51.11          1.68        1.7870   -3   5   3         2
                51.34          1.74        1.7796    5   3   3         2
                51.34          1.90        1.7796    5  -3   3         2
                51.82          1.22        1.7642    7   7   1         2
                51.82          1.15        1.7642    7  -7   1         2
                52.05          2.07        1.7569  -10   2   0         2
                52.05          2.34        1.7569   10   2   0         2
                56.37          2.57        1.6322    0   0   4         1
                57.08          1.24        1.6135    3   7   3         2
                57.08          1.32        1.6135   -3   7   3         2
                57.52          4.32        1.6023    0  10   2         2
                57.61          1.50        1.5999    7   3   3         2
                57.61          1.35        1.5999    7  -3   3         2
                58.84          3.28        1.5695   10   0   2         2
                60.04          1.08        1.5409    9   7   1         2
                60.04          1.27        1.5409    9  -7   1         2
                61.29          1.00        1.5125    4  -2   4         2
                64.01          1.14        1.4546    4   4   4         2
                64.24          1.27        1.4498   -4  12   0         2
                64.24          1.36        1.4498    4  12   0         2
                64.78          2.30        1.4391    8   8   2         2
                64.78          2.51        1.4391    8  -8   2         2
                65.83          1.05        1.4188  -12   4   0         2
                71.69          1.82        1.3164    2   8   4         2
                71.69          1.58        1.3164   -2   8   4         2
                72.40          1.52        1.3053    8   2   4         2
                72.40          1.39        1.3053    8  -2   4         2
                72.92          1.05        1.2973    6   6   4         2
                72.92          1.10        1.2973    6  -6   4         2
                73.59          1.61        1.2872    7   9   3         2
                73.59          1.48        1.2872   -7   9   3         2
                73.96          1.27        1.2816    9  -7   3         2
                73.96          1.23        1.2816    9   7   3         2
                79.77          1.02        1.2022   -1  15   1         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.