Platinum
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Cubic closest packed, ccp, structure

      CELL PARAMETERS:   3.883087   3.883087   3.883087   90.00000   90.00000   90.00000
      SPACE GROUP: Fm3m
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                18.32        100.00        2.2419    1   1   1
                21.16         47.55        1.9415    2   0   0
                30.05         27.67        1.3729    2   2   0
                35.38         30.79        1.1708    3   1   1
                37.00          8.87        1.1210    2   2   2
                37.00          8.87        1.1210    2   2   2
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.