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: Hexagonal closest-packed, T = 20 K
      Locality: Synthetic
      _database_code_amcsd 0020602

      CELL PARAMETERS:    3.1010   3.1010  22.7649   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    189.583
      Density (g/cm3):      0.547
      MAX. ABS. INTENSITY / VOLUME**2:     0.4497219409    
      RIR:      0.268
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                33.60         37.87        2.6671    1   0   1         6
                34.31         15.06        2.6138    0   1   2         6
                35.49         53.20        2.5294    0   0   9         2
                37.01        100.00        2.4287    1   0   4         6
                38.94         87.22        2.3131    0   1   5         6
                43.71          7.47        2.0708    1   0   7         6
                46.50         13.76        1.9531    0   1   8         6
                52.71          9.81        1.7365    1   0  10         6
                56.11          3.16        1.6393    0   1  11         6
                59.63         30.41        1.5505    1   1   0         6
                63.41         17.03        1.4669    1   0  13         6
                67.32         14.22        1.3910    0   1  14         6
                70.22          3.39        1.3404    0   2   1         6
                70.63          1.40        1.3335    2   0   2         6
                71.35         31.60        1.3219    1   1   9        12
                72.30         10.66        1.3069    0   2   4         6
                73.54         10.15        1.2879    2   0   5         6
                75.12          4.36        1.2647    0   0  18         2
                75.64          1.13        1.2573    1   0  16         6
                76.80          1.05        1.2411    0   2   7         6
                78.82          2.15        1.2144    2   0   8         6
                80.08          1.96        1.1984    0   1  17         6
                83.60          1.89        1.1566    0   2  10         6
                89.59          1.57        1.0942    1   0  19         6
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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.