Lueshite
      Johnston K E, Tang C C, Parker J E, Knight K S, Lightfoot P, Ashbrook S E
      Journal of the American Chemical Society 132 (2010) 8732-8746
      The polar phase of NaNbO3: a combined study by powder diffraction,
      solid-state NMR and first-principles calculations
      Note: this is a polymorph of lueshite
      Locality: synthetic
      _database_code_amcsd 0018685

      CELL PARAMETERS:    5.5710   7.7660   5.5130   90.000   90.000   90.000
      SPACE GROUP: P2_1ma    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    238.517
      Density (g/cm3):      4.563
      MAX. ABS. INTENSITY / VOLUME**2:      64.55691623    
      RIR:      4.606
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.69         90.60        3.9186    1   0   1         2
                22.90         44.10        3.8830    0   2   0         2
                32.13         27.72        2.7855    2   0   0         1
                32.46        100.00        2.7582    1   2   1         4
                32.48         24.21        2.7565    0   0   2         2
                38.23          1.11        2.3543    1   1   2         4
                38.42          1.33        2.3432    0   3   1         4
                39.83          3.37        2.2634    2   2   0         2
                40.12          3.05        2.2477    0   2   2         4
                46.34         38.78        1.9593    2   0   2         2
                46.79         19.79        1.9415    0   4   0         2
                51.96          9.69        1.7598    3   0   1         2
                52.30         16.88        1.7492    2   2   2         4
                52.43          8.07        1.7452    1   0   3         2
                52.61         16.98        1.7397    1   4   1         4
                57.50         20.35        1.6029    3   2   1         4
                57.90         10.92        1.5928    2   4   0         2
                57.93         21.95        1.5918    1   2   3         4
                58.11         10.09        1.5873    0   4   2         4
                67.22          4.82        1.3928    4   0   0         1
                67.97         19.22        1.3791    2   4   2         4
                68.02          4.42        1.3783    0   0   4         2
                72.04          2.77        1.3110    4   2   0         2
                72.34          2.43        1.3062    3   0   3         2
                72.49          6.78        1.3039    3   4   1         4
                72.82          3.40        1.2989    0   2   4         4
                72.88          5.87        1.2979    1   4   3         4
                73.11          1.13        1.2943    0   6   0         2
                76.66          4.33        1.2431    4   0   2         2
                77.03          7.57        1.2380    3   2   3         4
                77.23          3.65        1.2353    2   0   4         2
                77.70          7.48        1.2290    1   6   1         4
                81.26          2.74        1.1839    4   2   2         4
                81.82          2.74        1.1772    2   2   4         4
                82.11          1.12        1.1738    2   6   0         2
                82.30          1.16        1.1716    0   6   2         4
                85.88          4.39        1.1317    4   4   0         2
                86.62          4.06        1.1239    0   4   4         4
                89.80          1.86        1.0921    5   0   1         2
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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.