Effenbergerite
      Knight K S, Henderson C M B
      European Journal of Mineralogy 19 (2007) 189-200
      Structural basis for the anomalous low-temperature thermal expansion
      behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10
      Sample: T = 200 K
      _database_code_amcsd 0007204

      CELL PARAMETERS:    7.3945   7.3945  15.8534   90.000   90.000   90.000
      SPACE GROUP: P4/ncc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    866.835
      Density (g/cm3):      3.435
      MAX. ABS. INTENSITY / VOLUME**2:      22.66132023    
      RIR:      2.148
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.16         42.90        7.9267    0   0   2         2
                16.39          7.10        5.4071    1   0   2         8
                16.96          4.30        5.2287    1   1   0         4
                20.35         37.40        4.3647    1   1   2         8
                22.43         14.01        3.9634    0   0   4         2
                25.50         31.69        3.4932    1   0   4         8
                26.60        100.00        3.3507    2   0   2         8
                27.55         10.68        3.2372    2   1   1        16
                28.25         63.59        3.1585    1   1   4         8
                29.26         42.66        3.0520    2   1   2        16
                33.14         27.25        2.7035    2   0   4         8
                33.93          2.18        2.6422    0   0   6         2
                34.30         32.09        2.6143    2   2   0         4
                36.18          8.94        2.4828    2   2   2         8
                38.16         26.83        2.3582    1   1   6         8
                38.24          4.71        2.3537    3   0   2         8
                38.50          3.74        2.3383    3   1   0         8
                38.93          1.29        2.3133    3   1   1        16
                40.21         11.30        2.2428    3   1   2        16
                41.37          3.88        2.1823    2   2   4         8
                43.86          3.53        2.0642    2   1   6        16
                44.55          2.51        2.0339    3   2   1        16
                45.01         17.45        2.0139    3   1   4        16
                45.79          4.01        1.9817    0   0   8         2
                47.50          5.93        1.9141    1   0   8         8
                48.37          1.34        1.8819    3   1   5        16
                49.02          2.71        1.8584    2   2   6         8
                49.17          4.50        1.8531    1   1   8         8
                49.29         12.93        1.8486    4   0   0         4
                50.08          5.80        1.8214    3   2   4        16
                50.71          2.58        1.8003    4   0   2         8
                51.27          1.96        1.7821    4   1   1        16
                52.24         14.40        1.7511    3   1   6        16
                52.38          1.10        1.7466    2   0   8         8
                53.86          1.59        1.7022    3   3   2         8
                55.58          4.20        1.6535    4   2   0         8
                56.30          1.87        1.6339    4   1   4        16
                56.89          9.57        1.6186    4   2   2        16
                57.79          5.45        1.5954    3   3   4         8
                58.44          1.56        1.5793    2   2   8         8
                60.69          1.33        1.5260    4   2   4        16
                61.19          1.44        1.5147    4   0   6         8
                61.32          3.14        1.5118    3   1   8        16
                63.14          1.17        1.4725    4   3   1        16
                63.89          7.54        1.4570    2   0  10         8
                64.00          2.07        1.4549    3   3   6         8
                64.05          1.56        1.4538    4   3   2        16
                65.43          1.35        1.4265    5   1   2        16
                65.50          3.27        1.4251    3   2   8        16
                66.91          1.54        1.3985    5   1   3        16
                68.95          3.67        1.3619    5   1   4        16
                69.47          2.80        1.3530    5   2   2        16
                69.54          1.64        1.3518    4   0   8         8
                70.87          1.07        1.3297    4   1   8        16
                74.66          2.01        1.2713    5   1   6        16
                81.66          1.51        1.1791    2   2  12         8
                84.70          2.10        1.1443    4   2  10        16
                84.80          1.80        1.1433    5   3   6        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.