Cl4 Cu H12 N2 O2
      Chrobak L
      Zeitschrift fur Kristallographie 88 (1934) 35-47
      Quantitative Spectrometric studies of ammonium and of potassium cupric
      chloride dihydrate (N H4)2 Cu Cl4 (H2 O)2 and K2 Cu Cl4 (H2 O)2
      _cod_database_code 1010005
      _database_code_amcsd 0016941

      CELL PARAMETERS:    7.5800   7.5800   7.9500   90.000   90.000   90.000
      SPACE GROUP: P4_2/mnm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    456.778
      Density (g/cm3):      1.929
      MAX. ABS. INTENSITY / VOLUME**2:      11.90250391    
      RIR:      2.009
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.16         92.77        5.4860    1   0   1         8
                16.54         59.82        5.3599    1   1   0         4
                22.37         54.00        3.9750    0   0   2         2
                26.29         18.35        3.3899    2   1   0         8
                27.94         24.92        3.1928    1   1   2         8
                28.63         41.73        3.1182    2   1   1        16
                32.65         51.69        2.7430    2   0   2         8
                33.44        100.00        2.6799    2   2   0         4
                34.78         15.45        2.5793    2   1   2        16
                35.90         15.33        2.5015    1   0   3         8
                37.34          9.08        2.4080    3   0   1         8
                37.52          8.15        2.3970    3   1   0         8
                40.60         29.52        2.2221    2   2   2         8
                43.02          2.70        2.1023    3   2   0         8
                43.34         15.85        2.0878    2   1   3        16
                44.12          6.84        2.0527    3   1   2        16
                44.58         13.27        2.0325    3   2   1        16
                45.65         20.29        1.9875    0   0   4         2
                48.01         24.62        1.8950    4   0   0         4
                48.87          6.07        1.8635    1   1   4         8
                49.02          3.38        1.8584    3   2   2        16
                49.59          7.70        1.8384    4   1   0         8
                49.87          4.59        1.8287    3   0   3         8
                50.99          7.85        1.7912    4   1   1        16
                51.12          5.53        1.7866    3   3   0         4
                53.44          3.43        1.7145    2   1   4        16
                53.57          8.85        1.7106    4   0   2         8
                55.03         10.52        1.6686    4   1   2        16
                55.82          7.52        1.6470    3   2   3        16
                56.47          6.55        1.6296    3   3   2         8
                57.75         29.09        1.5964    2   2   4         8
                59.27          4.26        1.5591    4   2   2        16
                59.39          1.97        1.5561    1   0   5         8
                60.51          3.26        1.5300    3   1   4        16
                61.13          2.58        1.5160    4   3   0         8
                61.38          4.95        1.5105    4   1   3        16
                62.35          2.20        1.4892    5   0   1         8
                62.35          3.81        1.4892    4   3   1        16
                62.48          3.71        1.4866    5   1   0         8
                64.52          1.24        1.4443    3   2   4        16
                64.76          2.65        1.4395    2   1   5        16
                65.95          3.93        1.4165    4   3   2        16
                67.24          4.80        1.3924    5   1   2        16
                67.59          2.62        1.3860    5   2   1        16
                68.40         12.96        1.3715    4   0   4         8
                69.67          4.50        1.3496    4   1   4        16
                70.25          4.51        1.3400    4   4   0         4
                70.93          3.29        1.3287    3   3   4         8
                71.16          1.57        1.3250    0   0   6         2
                71.73          2.75        1.3159    4   3   3        16
                71.73          1.57        1.3159    5   0   3         8
                73.65          1.23        1.2863    1   1   6         8
                74.77          1.79        1.2698    4   4   2         8
                74.88          1.84        1.2681    3   2   5        16
                76.10          1.88        1.2508    2   0   6         8
                76.43          2.83        1.2461    6   1   0         8
                76.66          2.01        1.2431    5   2   3        16
                77.54          1.84        1.2311    6   1   1        16
                79.52          2.11        1.2054    4   3   4        16
                79.74          1.37        1.2026    4   1   5        16
                80.07          4.56        1.1985    6   2   0         8
                80.72          2.89        1.1904    5   1   4        16
                80.83          4.78        1.1891    6   1   2        16
                80.94          3.28        1.1878    2   2   6         8
                82.36          1.44        1.1709    5   4   1        16
                84.42          1.60        1.1475    6   2   2        16
                86.04          1.45        1.1300    6   3   0         8
                86.26          1.55        1.1277    6   1   3        16
                87.12          1.12        1.1187    6   3   1        16
                87.87          4.27        1.1110    4   4   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.