Germanium
      Smakula A, Kalnajs J
      Physical Review 99 (1955) 1737-1743
      Precision determination of lattice constants with a Geiger-counter
      X-ray diffractometer
      Locality: synthetic
      Sample: at T = 25 C
      _database_code_amcsd 0015151

      CELL PARAMETERS:    5.6575   5.6575   5.6575   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    181.077
      Density (g/cm3):      5.328
      MAX. ABS. INTENSITY / VOLUME**2:      187.9488583    
      RIR:     11.485
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.30        100.00        3.2663    1   1   1         8
                45.34         71.37        2.0002    2   2   0        12
                53.74         41.70        1.7058    3   1   1        24
                66.06         10.50        1.4144    4   0   0         6
                72.88         15.16        1.2979    3   3   1        24
                83.76         19.82        1.1548    4   2   2        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.