KNO3
      Nimmo J, Lucas B
      Acta Crystallographica B32 (1976) 1968-1971
      The crystal structures of gamma- and beta-KNO3 and the alpha-
      -gamma-beta phase transformations
      _cod_database_code 1200013
      _database_code_amcsd 0018289

      CELL PARAMETERS:    5.4250   5.4250   9.8360   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    250.697
      Density (g/cm3):      2.009
      MAX. ABS. INTENSITY / VOLUME**2:      22.95074174    
      RIR:      3.720
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.23        100.00        3.3972    0   1   2         6
                27.20          2.30        3.2787    0   0   3         2
                33.02         18.93        2.7125    1   1   0         6
                39.44         13.10        2.2848    0   2   1         6
                41.45         24.96        2.1786    1   0   4         6
                42.65          8.71        2.1197    2   0   2         6
                43.29          8.92        2.0900    1   1   3        12
                52.36          5.16        1.7475    2   1   1        12
                54.98          3.28        1.6702    1   2   2        12
                56.10          3.01        1.6393    0   0   6         2
                58.98          1.18        1.5661    3   0   0         6
                64.76          4.65        1.4396    2   1   4        12
                66.12          2.67        1.4131    0   3   3         6
                66.66          3.23        1.4030    1   1   6        12
                69.28          3.21        1.3563    2   2   0         6
                71.58          2.78        1.3181    1   2   5        12
                75.47          2.97        1.2596    3   1   2        12
                79.48          1.36        1.2059    0   2   7         6
                84.07          1.42        1.1514    1   3   4        12
                85.81          1.25        1.1324    3   0   6         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.