NH4As4O6I
      Pertlik F
      Monatshefte fur Chemie 119 (1988) 451-456
      The compounds KAs4O6X (X=Cl,Br,I) and NH4As4O6X (X=Br,I):
      Hydrothermal syntheses and structure determinations
      Locality: synthetic
      _database_code_amcsd 0019948

      CELL PARAMETERS:    5.2900   5.2900   9.3380   90.000   90.000  120.000
      SPACE GROUP: P622      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    226.306
      Density (g/cm3):      3.944
      MAX. ABS. INTENSITY / VOLUME**2:      89.10386529    
      RIR:      7.356
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.47         41.64        9.3380    0   0   1         2
                19.01         19.79        4.6690    0   0   2         2
                19.38          3.30        4.5813    1   0   0         6
                21.61         13.95        4.1130    1   0   1        12
                27.27        100.00        3.2700    1   0   2        12
                33.89         52.25        2.6450    1   1   0         6
                34.85         18.62        2.5746    1   0   3        12
                35.27         21.09        2.5449    1   1   1        12
                38.57          6.39        2.3345    0   0   4         2
                39.14          5.32        2.3014    1   1   2        12
                39.33          1.14        2.2906    2   0   0         6
                44.03         11.98        2.0565    2   0   2        12
                44.97          4.40        2.0156    1   1   3        12
                48.76          3.52        1.8676    0   0   5         2
                49.40         16.84        1.8449    2   0   3        12
                52.27         14.82        1.7503    1   1   4        12
                53.85          1.93        1.7025    2   1   1        12
                56.70         20.06        1.6235    2   1   2        12
                60.64          8.42        1.5271    3   0   0         6
                60.70         17.76        1.5256    1   1   5        12
                61.26          6.82        1.5132    2   1   3        12
                61.53          3.54        1.5071    3   0   1        12
                63.09          1.29        1.4736    1   0   6        12
                64.17          1.36        1.4514    3   0   2        12
                68.43          1.02        1.3710    3   0   3        12
                71.31          7.32        1.3225    2   2   0         6
                72.14          1.34        1.3094    2   2   1        12
                73.58          1.85        1.2873    2   0   6        12
                74.01          3.23        1.2808    1   0   7        12
                74.21          4.38        1.2780    3   0   4        12
                74.58          1.91        1.2724    2   2   2        12
                77.92          6.51        1.2260    3   1   2        12
                80.67          1.65        1.1911    1   1   7        12
                81.40          6.61        1.1822    3   0   5        12
                81.89          2.69        1.1764    3   1   3        12
                83.94          2.70        1.1528    2   0   7        12
                84.13          2.88        1.1507    2   2   4        12
                85.93          1.35        1.1311    1   0   8        12
                87.75          1.40        1.1123    4   0   2        12
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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.