H4K2Pt
      Bronger W, Auffermann G, Muller P
      Journal of the Less-Common Metals 116 (1986) 9-15
      K2 Pt H4, a new hydride with rotating planar (Pt H4)^2-^ groups
      in its high-temperature phase
      _cod_database_code 1008357
      _database_code_amcsd 0016268

      CELL PARAMETERS:    8.0380   8.0380   8.0380   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    519.331
      Density (g/cm3):      3.495
      MAX. ABS. INTENSITY / VOLUME**2:      174.6613806    
      RIR:     16.274
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.12        100.00        4.6407    1   1   1         8
                22.12         16.75        4.0190    2   0   0         6
                31.48         87.38        2.8419    2   2   0        12
                37.10         55.23        2.4235    3   1   1        24
                38.81          5.85        2.3204    2   2   2         8
                45.12         14.77        2.0095    4   0   0         6
                49.42         23.25        1.8440    3   3   1        24
                50.80          8.50        1.7974    4   2   0        24
                56.05         28.45        1.6407    4   2   2        24
                59.78          4.16        1.5469    3   3   3         8
                59.78         12.49        1.5469    5   1   1        24
                65.71          8.14        1.4209    4   4   0        12
                69.14         15.38        1.3587    5   3   1        48
                70.26          3.27        1.3397    4   4   2        24
                74.69         10.50        1.2709    6   2   0        24
                77.94          5.25        1.2258    5   3   3        24
                79.02          2.34        1.2118    6   2   2        24
                83.28          2.49        1.1602    4   4   4         8
                86.46          3.92        1.1255    5   5   1        24
                86.46          3.92        1.1255    7   1   1        24
                87.52          1.81        1.1147    6   4   0        24
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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.