La.67Nb2O6
      Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G
      Inorganic Materials 40 (2004) 1324-1330
      Structural and dielectric properties of solid solutions of
      sodium niobate in lanthanum and neodymium niobates
      Locality: synthetic
      Note: La2/3-x Na3x Nb2O6 synthesized at 1350 deg C
      Note: x = 0
      _database_code_amcsd 0018675

      CELL PARAMETERS:    3.9105   3.9197   7.9142   90.000   90.000   90.000
      SPACE GROUP: Pmmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    121.309
      Density (g/cm3):      5.131
      MAX. ABS. INTENSITY / VOLUME**2:      42.85046501    
      RIR:      2.719
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.18         65.22        7.9142    0   0   1         2
                22.47         39.60        3.9571    0   0   2         2
                22.69         41.55        3.9197    0   1   0         2
                22.74         41.29        3.9105    1   0   0         2
                25.36         27.40        3.5125    0   1   1         4
                25.41         40.12        3.5059    1   0   1         4
                32.14         98.42        2.7848    0   1   2         4
                32.18        100.00        2.7815    1   0   2         4
                32.34         99.41        2.7684    1   1   0         4
                33.98         11.11        2.6381    0   0   3         2
                34.32         14.38        2.6131    1   1   1         8
                41.25          4.06        2.1886    0   1   3         4
                45.86         35.73        1.9785    0   0   4         2
                46.33         38.10        1.9598    0   2   0         2
                46.44         37.78        1.9553    2   0   0         2
                47.61         18.44        1.9098    1   1   3         8
                47.81          2.82        1.9024    0   2   1         4
                47.92          2.79        1.8982    2   0   1         4
                51.76          5.67        1.7663    0   1   4         4
                51.78          6.40        1.7654    1   0   4         4
                52.07          6.28        1.7563    0   2   2         4
                52.18          6.24        1.7529    2   0   2         4
                52.21          6.66        1.7521    1   2   0         4
                52.29          6.63        1.7496    2   1   0         4
                53.57          8.12        1.7107    1   2   1         8
                53.65          5.91        1.7084    2   1   1         8
                57.23         34.26        1.6097    1   1   4         8
                57.53         33.28        1.6021    1   2   2         8
                57.60         32.63        1.6002    2   1   2         8
                58.68          3.84        1.5732    0   2   3         4
                58.78          3.82        1.5708    2   0   3         4
                63.37          2.86        1.4677    0   1   5         4
                63.39          6.79        1.4672    1   0   5         4
                63.84          1.56        1.4581    2   1   3         8
                67.24         17.74        1.3924    0   2   4         4
                67.33         17.65        1.3907    2   0   4         4
                67.69         19.02        1.3842    2   2   0         4
                68.86          1.52        1.3635    2   2   1         8
                71.99          3.91        1.3117    1   2   4         8
                72.06          3.51        1.3107    2   1   4         8
                72.32          1.04        1.3066    0   3   0         2
                72.32          3.92        1.3066    2   2   2         8
                72.52          1.03        1.3035    3   0   0         2
                73.65          1.28        1.2862    3   0   1         4
                76.15          5.29        1.2501    0   1   6         4
                76.17          5.92        1.2498    1   0   6         4
                76.83          6.21        1.2407    0   3   2         4
                76.94          6.33        1.2392    1   3   0         4
                77.02          6.24        1.2381    3   0   2         4
                77.11          6.28        1.2369    3   1   0         4
                77.95          2.87        1.2257    2   2   3         8
                82.05          5.44        1.1745    1   2   5         8
                82.11          2.52        1.1738    2   1   5         8
                85.64         15.55        1.1342    2   2   4         8
                85.98          1.07        1.1306    0   0   7         2
                86.84          2.35        1.1216    1   3   3         8
                87.00          2.33        1.1199    3   1   3         8
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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.