BaCuSi2O6
      Sparta K M, Roth G
      Acta Crystallographica B60 (2004) 491-495
      Reinvestigation of the structure of BaCuSi2O6 - evidence for a phase
      transition at high temperature
      Note: T = 640 K
      Locality: synthetic
      _database_code_amcsd 0018748

      CELL PARAMETERS:    7.1104   7.1104  11.1750   90.000   90.000   90.000
      SPACE GROUP: I4/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    564.983
      Density (g/cm3):      4.150
      MAX. ABS. INTENSITY / VOLUME**2:      44.69709602    
      RIR:      3.507
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.77         27.97        5.9990    1   0   1         8
                15.86          2.56        5.5875    0   0   2         2
                17.64         14.76        5.0278    1   1   0         4
                23.81         90.56        3.7375    1   1   2         8
                25.05         19.03        3.5552    2   0   0         4
                27.02         28.83        3.2996    1   0   3         8
                29.20         24.16        3.0585    2   1   1        16
                29.79        100.00        2.9995    2   0   2         8
                32.04          3.85        2.7938    0   0   4         2
                35.72         54.68        2.5139    2   2   0         4
                36.80         66.16        2.4421    1   1   4         8
                39.30         13.57        2.2926    2   2   2         8
                40.10          7.95        2.2485    3   1   0         8
                41.09          2.64        2.1967    2   0   4         8
                42.39          7.52        2.1321    1   0   5         8
                43.38         29.61        2.0859    3   1   2        16
                46.78          5.43        1.9421    3   2   1        16
                48.73          2.27        1.8687    2   2   4         8
                51.40         19.49        1.7776    4   0   0         4
                52.22         32.99        1.7516    3   1   4        16
                52.39          7.42        1.7465    1   1   6         8
                52.50          6.81        1.7429    3   2   3        16
                54.14          1.35        1.6939    4   0   2         8
                55.72         12.81        1.6498    2   0   6         8
                57.40          7.57        1.6053    3   3   2         8
                58.01          7.29        1.5899    4   2   0         8
                59.03          2.65        1.5650    4   1   3        16
                60.55         16.76        1.5292    4   2   2        16
                61.87          3.92        1.4998    4   0   4         8
                62.01          2.46        1.4965    2   2   6         8
                62.84          4.18        1.4787    3   2   5        16
                64.88          9.97        1.4372    3   3   4         8
                65.02          6.51        1.4343    3   1   6        16
                65.41          1.16        1.4267    2   1   7        16
                66.25          1.20        1.4107    4   3   1        16
                66.99          4.46        1.3969    0   0   8         2
                68.75          1.51        1.3653    4   1   5        16
                69.47          6.04        1.3530    5   1   2        16
                70.94          2.29        1.3286    5   0   3         8
                72.02          1.94        1.3112    5   2   1        16
                72.73          1.67        1.3001    2   0   8         8
                75.66          3.93        1.2570    4   4   0         4
                76.32          9.75        1.2477    5   1   4        16
                76.46          2.14        1.2458    3   3   6         8
                78.30          7.40        1.2210    2   2   8         8
                78.43          1.44        1.2194    5   3   0         8
                79.21          6.60        1.2092    4   2   6        16
                79.96          1.58        1.1998    5   0   5         8
                80.64          2.21        1.1914    5   3   2        16
                81.04          1.18        1.1865    3   1   8        16
                81.16          1.55        1.1851    6   0   0         4
                83.36          2.24        1.1593    6   0   2         8
                84.53          1.15        1.1463    4   4   4         8
                86.58          2.90        1.1243    6   2   0         8
                87.23          5.19        1.1176    5   3   4        16
                87.36          2.45        1.1163    5   1   6        16
                88.77          1.75        1.1022    6   2   2        16
                89.16          4.47        1.0983    4   0   8         8
                89.93          1.29        1.0909    1   1  10         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.