Lithium
      Berliner R, Fajen O, Smith H G, Hitterman R L
      Physical Review B40 (1989) 12086-12097
      Neutron powder-diffraction studies of lithium, sodium and potassium metal
      Note: Body-centered cubic, T = 20 K
      Locality: Synthetic
      _database_code_amcsd 0020601

      CELL PARAMETERS:    3.4785   3.4785   3.4785   90.000   90.000   90.000
      SPACE GROUP: Im-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     42.090
      Density (g/cm3):      0.548
      MAX. ABS. INTENSITY / VOLUME**2:      1.322011749    
      RIR:      0.786
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                36.53        100.00        2.4597    1   1   0        12
                52.62         16.01        1.7393    2   0   0         6
                65.76         29.09        1.4201    2   1   1        24
                77.64          7.93        1.2298    2   2   0        12
                88.99         10.06        1.1000    3   1   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.