La.5Na.5Nb2O6
      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 = .16
      _database_code_amcsd 0018676

      CELL PARAMETERS:    3.9210   3.9230   7.8651   90.000   90.000   90.000
      SPACE GROUP: Pmmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    120.982
      Density (g/cm3):      5.010
      MAX. ABS. INTENSITY / VOLUME**2:      40.30834731    
      RIR:      2.620
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.25         69.34        7.8651    0   0   1         2
                22.61         49.75        3.9325    0   0   2         2
                22.67         49.72        3.9230    0   1   0         2
                22.68         49.65        3.9210    1   0   0         2
                25.37         24.92        3.5105    0   1   1         4
                25.38         25.42        3.5091    1   0   1         4
                32.23        100.00        2.7774    0   1   2         4
                32.24        100.00        2.7766    1   0   2         4
                32.28         99.90        2.7733    1   1   0         4
                34.20          6.35        2.6217    0   0   3         2
                34.29         15.79        2.6154    1   1   1         8
                41.42          3.45        2.1798    0   1   3         4
                41.43          3.20        2.1794    1   0   3         4
                46.17         39.04        1.9663    0   0   4         2
                46.29         39.05        1.9615    0   2   0         2
                46.31         38.98        1.9605    2   0   0         2
                47.74         10.87        1.9052    1   1   3         8
                47.79          3.01        1.9032    0   2   1         4
                47.81          3.00        1.9023    2   0   1         4
                52.02          7.97        1.7578    0   1   4         4
                52.03          8.00        1.7577    1   0   4         4
                52.11          8.05        1.7553    0   2   2         4
                52.13          8.04        1.7546    2   0   2         4
                52.14          8.08        1.7542    1   2   0         4
                52.16          8.07        1.7537    2   1   0         4
                53.52          5.23        1.7122    1   2   1         8
                53.54          5.14        1.7117    2   1   1         8
                57.45         33.34        1.6040    1   1   4         8
                57.53         33.40        1.6021    1   2   2         8
                57.54         33.35        1.6017    2   1   2         8
                58.79          2.18        1.5706    0   2   3         4
                58.81          2.18        1.5701    2   0   3         4
                63.74          2.15        1.4600    0   1   5         4
                63.75          2.29        1.4599    1   0   5         4
                63.84          1.40        1.4580    1   2   3         8
                63.86          1.49        1.4577    2   1   3         8
                67.44         19.39        1.3887    0   2   4         4
                67.46         19.37        1.3883    2   0   4         4
                67.55         19.45        1.3866    2   2   0         4
                68.74          1.60        1.3656    2   2   1         8
                72.05          1.23        1.3109    0   0   6         2
                72.16          5.06        1.3090    1   2   4         8
                72.18          5.03        1.3088    2   1   4         8
                72.24          5.09        1.3077    2   2   2         8
                72.25          1.28        1.3077    0   3   0         2
                72.29          1.28        1.3070    3   0   0         2
                76.64          6.18        1.2433    0   1   6         4
                76.65          6.20        1.2432    1   0   6         4
                76.82          6.28        1.2409    0   3   2         4
                76.85          6.29        1.2405    1   3   0         4
                76.86          6.27        1.2403    3   0   2         4
                76.88          6.28        1.2400    3   1   0         4
                77.94          1.60        1.2257    2   2   3         8
                82.34          1.87        1.1711    1   2   5         8
                82.35          1.77        1.1710    2   1   5         8
                85.73         17.00        1.1332    2   2   4         8
                86.87          1.32        1.1213    1   3   3         8
                86.90          1.32        1.1209    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.