CuCl
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      Note: wurtzite structure
      _database_code_amcsd 0011543

      CELL PARAMETERS:    3.9100   3.9100   6.4200   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     85.000
      Density (g/cm3):      3.867
      MAX. ABS. INTENSITY / VOLUME**2:      43.83959795    
      RIR:      3.691
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.32        100.00        3.3862    1   0   0         6
                27.79         69.45        3.2100    0   0   2         1
                29.83         89.61        2.9951    1   0   1         6
                38.65         40.09        2.3296    1   0   2         6
                46.45         72.06        1.9550    1   1   0         6
                50.45         65.95        1.8090    1   0   3         6
                54.17         10.58        1.6931    2   0   0         6
                54.99         49.76        1.6697    1   1   2         6
                56.19         13.38        1.6371    2   0   1         6
                57.41          1.67        1.6050    0   0   4         1
                61.97          8.12        1.4975    2   0   2         6
                64.22          1.68        1.4503    1   0   4         6
                70.99         19.53        1.3278    2   0   3         6
                74.08          6.94        1.2798    2   1   0        12
                75.79          9.15        1.2552    2   1   1        12
                76.85          3.48        1.2405    1   1   4         6
                79.90         15.43        1.2006    1   0   5         6
                80.85          6.43        1.1888    2   1   2        12
                86.16          8.63        1.1287    3   0   0         6
                89.15         19.09        1.0984    2   1   3        12
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.