Retgersite
      Iskhakova L D, Dubrovinskii L S, Charushnikova I A
      Soviet Physics Crystallography 36 (1991) 360-363
      Crystal structure, theoretical parameters of potential of atomic interaction
      (PPAI), and thermochemical properties of NiSO4*nH2O (n=7,6)
      _database_code_amcsd 0015590

      CELL PARAMETERS:    6.7850   6.7850  18.2880   90.000   90.000   90.000
      SPACE GROUP: P4_12_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    841.910
      Density (g/cm3):      2.073
      MAX. ABS. INTENSITY / VOLUME**2:      21.83003849    
      RIR:      3.428
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.92          8.34        6.3613    1   0   1         8
                19.12          7.34        4.6407    1   1   1         8
                19.41         32.66        4.5720    0   0   4         2
                20.91        100.00        4.2484    1   1   2         8
                23.60          4.58        3.7701    1   1   3         8
                26.27          9.29        3.3925    2   0   0         4
                26.73          4.82        3.3356    2   0   1         8
                28.05          1.90        3.1807    2   0   2         8
                29.44          1.12        3.0343    2   1   0         8
                30.15         15.16        2.9644    2   0   3         8
                30.74          2.41        2.9087    1   1   5         8
                31.05          2.06        2.8799    2   1   2         8
                32.20          1.58        2.7803    1   0   6         8
                32.87         16.24        2.7244    2   0   4         8
                34.87         12.62        2.5727    1   1   6         8
                35.51          5.11        2.5282    2   1   4         8
                38.55         10.98        2.3353    2   1   5         8
                39.27          1.15        2.2944    1   1   7         8
                40.18          1.29        2.2446    3   0   1         8
                42.42          6.90        2.1310    3   1   1         8
                42.56          3.65        2.1242    2   2   4         8
                42.64          3.73        2.1204    3   0   3         8
                43.32          5.00        2.0889    3   1   2         8
                44.70          1.24        2.0272    3   0   4         8
                44.78          3.53        2.0239    3   1   3         8
                45.83          3.72        1.9798    2   1   7         8
                46.77          1.14        1.9424    3   1   4         8
                47.99          5.59        1.8958    2   0   8         8
                48.37          1.93        1.8818    3   2   0         8
                49.24          4.73        1.8507    3   1   5         8
                49.95          2.84        1.8258    2   1   8         8
                52.13          6.06        1.7545    3   1   6         8
                53.63          4.47        1.7089    1   1  10         8
                54.31          2.98        1.6890    4   0   1         8
                55.41          1.39        1.6581    3   1   7         8
                55.53          3.77        1.6549    2   2   8         8
                56.12          1.43        1.6390    4   1   1         8
                56.30          2.58        1.6342    4   0   3         8
                60.13          1.90        1.5388    4   0   5         8
                60.78          1.01        1.5240    0   0  12         2
                61.31          1.76        1.5120    4   2   1         8
                62.01          1.01        1.4967    4   2   2         8
                63.00          1.24        1.4754    3   1   9         8
                65.62          1.11        1.4227    4   0   7         8
                66.75          1.64        1.4014    4   2   5         8
                67.27          1.17        1.3918    3   1  10         8
                67.36          1.22        1.3902    2   0  12         8
                71.97          1.05        1.3120    4   2   7         8
                72.74          1.58        1.3000    5   1   3         8
                75.42          1.56        1.2604    1   1  14         8
                76.12          1.22        1.2505    5   1   5         8
                80.82          1.10        1.1892    4   4   2         8
                81.11          1.70        1.1857    5   1   7         8
                87.66          1.20        1.1132    5   1   9         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.