As2 Na0.4 Sn2 Sr0.6
      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 1008733
      _database_code_amcsd 0016614

      CELL PARAMETERS:    4.1170   4.1170  27.1850   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    399.045
      Density (g/cm3):      5.605
      MAX. ABS. INTENSITY / VOLUME**2:      217.0352971    
      RIR:     12.609
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.76         13.79        9.0617    0   0   3         2
                19.59          4.12        4.5308    0   0   6         2
                25.83          5.07        3.4488    0   1   2         6
                28.27          3.80        3.1573    1   0   4         6
                29.57          4.68        3.0206    0   0   9         2
                29.97        100.00        2.9815    0   1   5         6
                34.14          1.96        2.6264    1   0   7         6
                36.53          1.11        2.4599    0   1   8         6
                41.78         31.76        2.1618    1   0  10         6
                43.99         35.14        2.0585    1   1   0         6
                44.61          4.36        2.0311    0   1  11         6
                45.17          1.89        2.0074    1   1   3        12
                48.58          2.02        1.8741    1   1   6        12
                50.35          4.13        1.8123    0   0  15         2
                53.75          4.93        1.7053    0   1  14         6
                53.90          4.62        1.7010    1   1   9        12
                54.14         16.96        1.6940    2   0   5         6
                60.35          3.05        1.5338    1   0  16         6
                62.28          8.70        1.4908    0   2  10         6
                64.45          1.33        1.4458    2   0  11         6
                69.05          8.60        1.3603    1   1  15        12
                70.98          3.01        1.3279    1   0  19         6
                71.90          1.84        1.3132    2   0  14         6
                72.23         12.88        1.3080    1   2   5        12
                74.74          1.85        1.2701    0   1  20         6
                77.63          1.34        1.2299    0   2  16         6
                79.36          7.86        1.2074    2   1  10        12
                80.88          4.82        1.1885    3   0   0         6
                81.32          1.27        1.1831    1   2  11        12
                87.40          1.62        1.1158    0   2  19         6
                88.27          2.01        1.1071    1   2  14        12
                89.42          2.50        1.0958    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.