Retgersite
      Ptasiewicz-Bak H, Olovsson I, McIntyre G J
      Acta Crystallographica B49 (1993) 192-201
      Bonding deformation and superposition in the
      electron density of tetragonal NiSO4*6H2O at 25K
      Sample: T = 25 K, X-ray refinement
      _database_code_amcsd 0009871

      CELL PARAMETERS:    6.7778   6.7778  18.1760   90.000   90.000   90.000
      SPACE GROUP: P4_32_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    834.980
      Density (g/cm3):      1.994
      MAX. ABS. INTENSITY / VOLUME**2:      23.92414058    
      RIR:      3.906
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.94          6.85        6.3506    1   0   1         8
                19.15          6.82        4.6342    1   1   1         8
                19.54         30.80        4.5440    0   0   4         2
                20.96        100.00        4.2393    1   1   2         8
                23.67          4.32        3.7588    1   1   3         8
                26.30         10.04        3.3889    2   0   0         4
                26.76          5.21        3.3315    2   0   1         8
                28.10          1.36        3.1753    2   0   2         8
                29.47          1.05        3.0311    2   1   0         8
                30.22         12.70        2.9577    2   0   3         8
                30.87          1.66        2.8963    1   1   5         8
                31.10          1.85        2.8754    2   1   2         8
                32.37          1.63        2.7657    1   0   6         8
                32.97         16.48        2.7166    2   0   4         8
                35.04         11.70        2.5607    1   1   6         8
                35.60          4.72        2.5216    2   1   4         8
                38.68         10.27        2.3280    2   1   5         8
                40.22          1.33        2.2420    3   0   1         8
                42.47          7.38        2.1286    3   1   1         8
                42.66          3.51        2.1196    2   2   4         8
                42.71          4.20        2.1169    3   0   3         8
                43.38          4.75        2.0861    3   1   2         8
                44.80          1.67        2.0230    3   0   4         8
                44.86          3.32        2.0206    3   1   3         8
                46.03          4.22        1.9720    2   1   7         8
                46.87          1.23        1.9385    3   1   4         8
                48.22          5.56        1.8871    2   0   8         8
                48.42          2.18        1.8798    3   2   0         8
                49.36          4.66        1.8463    3   1   5         8
                50.18          3.01        1.8180    2   1   8         8
                52.29          7.12        1.7497    3   1   6         8
                53.95          4.85        1.6995    1   1  10         8
                54.38          3.31        1.6871    4   0   1         8
                54.61          1.02        1.6807    2   1   9         8
                55.60          1.50        1.6529    3   1   7         8
                55.75          4.46        1.6487    2   2   8         8
                56.18          1.84        1.6372    4   1   1         8
                56.38          2.85        1.6318    4   0   3         8
                57.95          1.13        1.5914    3   3   1         8
                58.10          1.28        1.5877    4   0   4         8
                58.68          1.20        1.5734    3   3   2         8
                60.26          2.07        1.5358    4   0   5         8
                60.83          1.02        1.5227    3   2   7         8
                61.15          1.19        1.5156    4   2   0         8
                61.19          1.25        1.5147    0   0  12         2
                61.39          1.85        1.5103    4   2   1         8
                62.09          1.03        1.4949    4   2   2         8
                63.27          1.37        1.4699    3   1   9         8
                64.85          1.03        1.4377    4   2   4         8
                65.81          1.29        1.4190    4   0   7         8
                66.89          1.91        1.3989    4   2   5         8
                67.58          1.36        1.3862    3   1  10         8
                67.77          1.38        1.3828    2   0  12         8
                68.15          1.20        1.3760    3   2   9         8
                71.12          1.06        1.3257    5   1   1         8
                72.17          1.32        1.3089    4   2   7         8
                72.85          2.04        1.2984    5   1   3         8
                74.04          1.04        1.2803    2   2  12         8
                75.93          1.93        1.2531    1   1  14         8
                76.27          1.47        1.2484    5   1   5         8
                80.93          1.39        1.1879    4   4   2         8
                81.32          2.31        1.1832    5   1   7         8
                87.95          1.75        1.1103    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.