Nitratine
      Paul G L, Pryor A W
      Acta Crystallographica B28 (1972) 2700-2702
      The study of sodium nitrate by neutron diffraction
      Sample: T = 290 C
      Locality: synthetic
      _database_code_amcsd 0009447

      CELL PARAMETERS:    5.0840   5.0840   8.1750   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    182.991
      Density (g/cm3):      2.314
      MAX. ABS. INTENSITY / VOLUME**2:      13.93134286    
      RIR:      1.961
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.94          8.02        3.8764    1   0   1         6
                29.83        100.00        2.9956    0   1   2         6
                32.87          8.78        2.7250    0   0   3         2
                35.31         12.20        2.5420    1   1   0         6
                42.53          4.62        2.1257    0   2   1         6
                46.88          3.43        1.9382    2   0   2         6
                49.01          3.81        1.8588    1   1   3        12
                49.15         11.05        1.8538    1   0   4         6
                56.43          2.51        1.6307    2   1   1        12
                60.02          1.84        1.5413    1   2   2        12
                63.37          1.78        1.4676    3   0   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.