Nitratine
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R050658
      Paul G L, Pryor A W
      Acta Crystallographica B28 (1972) 2700-2702
      The study of sodium nitrate by neutron diffraction
      Sample: T = 20 C
      Locality: synthetic

      CELL PARAMETERS:   5.069536   5.069536   16.82748   90.00000   90.00000   120.0000
      SPACE GROUP: R-3c
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                22.84          5.55        3.8923    0   1   2
                29.39        100.00        3.0375    1   0   4
                31.89         12.73        2.8046    0   0   6
                35.39          9.38        2.5348    1   1   0
                38.97         24.30        2.3099    1   1   3
                42.53          7.08        2.1241    2   0   2
                46.64          3.46        1.9462    0   2   4
                47.92         17.34        1.8970    0   1   8
                48.37          8.23        1.8805    1   1   6
                55.62          5.70        1.6514    2   1   1
                56.48          4.99        1.6280    1   2   2
                59.88          2.48        1.5436    2   1   4
                60.96          1.25        1.5187    2   0   8
                61.59          3.03        1.5047    1   1   9
                62.35          3.22        1.4883    1   2   5
                63.53          4.37        1.4634    3   0   0
                66.65          3.01        1.4023    0   0  12
                68.68          1.96        1.3656    2   1   7
                72.50          1.14        1.3028    1   2   8
                82.39          2.86        1.1697    1   3   4
                82.39          2.86        1.1697    1   3   4
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.