Neodymium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Double hexagonal closest packed, dhcp, structure
      _database_code_amcsd 0011204

      CELL PARAMETERS:    3.6579   3.6579  11.7992   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    136.725
      Density (g/cm3):      7.006
      MAX. ABS. INTENSITY / VOLUME**2:      308.1948118    
      RIR:     14.323
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.17          7.93        3.1678    1   0   0         6
                29.19         43.22        3.0595    1   0   1        12
                30.30         34.69        2.9498    0   0   4         2
                32.07        100.00        2.7909    1   0   2        12
                36.42         23.08        2.4671    1   0   3        12
                41.85          5.02        2.1588    1   0   4        12
                48.08          9.55        1.8925    1   0   5        12
                49.86         22.50        1.8290    1   1   0         6
                54.96         18.01        1.6708    1   0   6        12
                58.82          4.70        1.5698    2   0   1        12
                59.47         24.12        1.5544    1   1   4        12
                60.52         12.72        1.5297    2   0   2        12
                62.41          3.79        1.4881    1   0   7        12
                63.03          3.25        1.4749    0   0   8         2
                63.30          3.60        1.4692    2   0   3        12
                71.77          2.28        1.3151    2   0   5        12
                77.36          5.27        1.2336    2   0   6        12
                79.05          1.63        1.2114    1   0   9        12
                80.66          1.02        1.1912    2   1   1        24
                82.14          2.88        1.1734    2   1   2        24
                83.81          1.35        1.1543    2   0   7        12
                84.36          7.07        1.1481    1   1   8        12
                88.41          3.47        1.1057    1   0  10        12
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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.