Lueshite
      Seidel P, Hoffmann W
      Zeitschrift fur Kristallographie 143 (1976) 444-459
      Verfeinerung der kristallstruktur von NaNbO3
      N. Bestimmung der absoluten konfiguration und des zwillingsgesetzes
      Note T = 84 K
      Note: this is a polymorph of lueshite
      _database_code_amcsd 0010781

      CELL PARAMETERS:    7.8147   7.8147   7.8147   89.170   89.170   89.170
      SPACE GROUP: R3c       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    477.091
      Density (g/cm3):      4.563
      MAX. ABS. INTENSITY / VOLUME**2:      85.06667800    
      RIR:      6.070
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.76        100.00        3.9065    2   0   0         3
                32.17         63.37        2.7823    2   2   0         3
                32.65         53.39        2.7428    0  -2   2         6
                38.26          4.31        2.3527    3  -1   1         6
                39.37          1.73        2.2884    2   2   2         1
                40.17          3.55        2.2448    2  -2   2         3
                46.49         43.70        1.9533    4   0   0         3
                52.05         20.44        1.7571    4   2   0         6
                52.69         16.33        1.7372    0  -2   4         6
                57.06         12.34        1.6142    4   2   2         3
                57.96         23.64        1.5911    4  -2   2         6
                58.26         14.22        1.5836    2  -4   2         3
                67.31         10.82        1.3911    4   4   0         3
                68.41          9.99        1.3714    0  -4   4         6
                71.53          3.37        1.3190    4   4   2         3
                72.60          2.37        1.3022    4  -2   4         3
                72.60          2.34        1.3022    6   0   0         3
                73.13          7.32        1.2940    4  -4   2         6
                76.83          9.84        1.2407    6   2   0         6
                77.62          8.11        1.2301    0  -2   6         6
                80.86          1.52        1.1887    6   2   2         3
                81.89          2.74        1.1763    6  -2   2         6
                82.41          1.40        1.1703   -2  -2   6         3
                84.72          1.54        1.1442    4   4   4         1
                86.76          4.47        1.1224    4  -4   4         3
                89.95          3.64        1.0907    6   4   0         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.