As2 K0.3 Sn2 Sr0.7
      Asbrand M, Eisenmann B, Klein J
      Zeitschrift fur Anorganische und Allgemeine Chemie 621 (1995) 576-582
      Arsenidostannate mit Arsen-analogen (Sn As) - Schichten: Darstellung
      und Struktur von Na (Sn2 As2), Na0.3 Ca0.7 (Sn2 As2), Na0.4 Sr0.6 (Sn2As2),
      Na0.6 Ba0.4 (Sn2 As2) und K0.3 Sr0.7 (Sn2 As2)
      _cod_database_code 1008734
      _database_code_amcsd 0016615

      CELL PARAMETERS:    4.1760   4.1760  27.1460   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    409.975
      Density (g/cm3):      5.593
      MAX. ABS. INTENSITY / VOLUME**2:      226.5993602    
      RIR:     13.193
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.77         10.02        9.0487    0   0   3         2
                19.62          2.56        4.5243    0   0   6         2
                25.49          3.33        3.4946    0   1   2         6
                27.96          4.64        3.1916    1   0   4         6
                29.62          4.94        3.0162    0   0   9         2
                29.68        100.00        3.0099    0   1   5         6
                33.89          1.11        2.6449    1   0   7         6
                36.30          1.06        2.4746    0   1   8         6
                41.60         32.17        2.1710    1   0  10         6
                43.33         36.39        2.0880    1   1   0         6
                44.44          3.18        2.0385    0   1  11         6
                44.53          1.52        2.0345    1   1   3        12
                47.99          1.36        1.8958    1   1   6        12
                50.43          4.25        1.8097    0   0  15         2
                53.37          5.25        1.7168    1   1   9        12
                53.40         17.91        1.7156    2   0   5         6
                53.63          5.39        1.7089    0   1  14         6
                60.25          2.33        1.5360    1   0  16         6
                61.63          9.36        1.5049    0   2  10         6
                63.81          1.03        1.4586    2   0  11         6
                68.63          9.44        1.3676    1   1  15        12
                70.92          3.46        1.3288    1   0  19         6
                71.12         14.23        1.3255    1   2   5        12
                71.32          2.14        1.3224    2   0  14         6
                74.70          2.10        1.2708    0   1  20         6
                77.08          1.07        1.2373    0   2  16         6
                78.31          8.84        1.2209    2   1  10        12
                79.51          5.42        1.2055    3   0   0         6
                80.29          1.00        1.1957    1   2  11        12
                86.89          1.96        1.1210    0   2  19         6
                87.27          2.46        1.1172    1   2  14        12
                89.08          2.01        1.0991    1   1  21        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.