Salammoniac
      Vainshtein B K
      Trudy Instituta Kristallografii Akademiya Nauk SSSR 12 (1956) 18-24
      Refinement of the structure of the group NH4
      in the structure of ammonium chloride
      _database_code_amcsd 0015628

      CELL PARAMETERS:    3.8600   3.8600   3.8600   90.000   90.000   90.000
      SPACE GROUP: Pm-3m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     57.512
      Density (g/cm3):      1.544
      MAX. ABS. INTENSITY / VOLUME**2:      25.13179765    
      RIR:      5.299
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.04         15.09        3.8600    1   0   0         6
                32.81        100.00        2.7294    1   1   0        12
                40.48          5.35        2.2286    1   1   1         8
                47.09         12.25        1.9300    2   0   0         6
                53.05          7.72        1.7262    2   1   0        24
                58.58         22.18        1.5758    2   1   1        24
                68.79          6.22        1.3647    2   2   0        12
                73.62          2.49        1.2867    2   2   1        24
                78.33          7.50        1.2206    3   1   0        24
                82.97          1.89        1.1638    3   1   1        24
                87.55          1.91        1.1143    2   2   2         8
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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.