Li2Si2O5
      Smith R I, Howie R A, West A R, Aragon-Pina A, Villafuerte-Castrejon M E
      Acta Crystallographica C46 (1990) 363-365
      The structure of metastable lithium disilicate, Li2Si2O5
      _database_code_amcsd 0010107

      CELL PARAMETERS:    5.6830   4.7840  14.6480   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    398.242
      Density (g/cm3):      2.502
      MAX. ABS. INTENSITY / VOLUME**2:      11.81911508    
      RIR:      1.538
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.08          4.63        7.3240    0   0   2         2
                19.77         67.21        4.4899    1   0   2         4
                24.31         44.17        3.6620    0   0   4         2
                24.32          6.82        3.6599    1   1   0         4
                25.08        100.00        3.5507    1   1   1         8
                27.24          5.14        3.2739    1   1   2         8
                29.01         29.78        3.0783    1   0   4         4
                30.53          3.55        2.9285    1   1   3         8
                31.48         11.67        2.8415    2   0   0         2
                34.65          9.20        2.5887    1   1   4         8
                37.60         30.65        2.3920    0   2   0         2
                38.86         18.67        2.3175    2   1   2         8
                40.20         14.60        2.2431    1   0   6         4
                41.32          6.74        2.1848    2   1   3         8
                42.84          2.09        2.1111    1   2   2         8
                44.62          4.19        2.0309    1   1   6         8
                45.28          2.78        2.0026    0   2   4         4
                48.18          5.24        1.8888    1   2   4         8
                48.52          1.54        1.8763    2   1   5         8
                49.71          2.55        1.8340    3   0   2         4
                49.83          4.75        1.8299    2   2   0         4
                50.25          1.00        1.8158    2   2   1         8
                52.32          2.34        1.7487    3   1   1         8
                52.51          3.98        1.7428    1   0   8         4
                53.03          1.47        1.7269    2   1   6         8
                54.54          8.24        1.6825    3   0   4         4
                56.17          1.32        1.6375    1   1   8         8
                56.22          2.77        1.6362    1   2   6         8
                58.03          5.38        1.5893    2   1   7         8
                59.57          1.92        1.5520    2   2   5         8
                60.28          1.20        1.5354    1   3   0         4
                60.64          4.24        1.5270    1   3   1         8
                61.73          1.76        1.5027    1   3   2         8
                62.01          4.34        1.4966    3   0   6         4
                62.45          1.04        1.4871    1   1   9         8
                62.90          1.06        1.4775    3   2   1         8
                63.49          1.48        1.4652    2   1   8         8
                63.51          5.98        1.4648    0   0  10         2
                65.72          1.54        1.4208    3   2   3         8
                65.72          1.85        1.4208    4   0   0         2
                65.97          4.01        1.4159    1   3   4         8
                66.36          1.19        1.4086    1   2   8         8
                68.14          4.29        1.3762    3   2   4         8
                68.70          9.64        1.3662    2   3   2         8
                70.40          1.66        1.3375    2   3   3         8
                71.19          2.56        1.3246    4   0   4         4
                71.69          2.24        1.3165    3   0   8         4
                71.98          3.19        1.3119    4   1   3         8
                72.76          3.60        1.2997    1   3   6         8
                74.84          2.35        1.2687    3   2   6         8
                76.06          3.86        1.2514    1   1  11         8
                76.21          2.93        1.2492    0   2  10         4
                81.88          1.42        1.1765    1   3   8         8
                83.41          1.25        1.1588    4   2   4         8
                83.46          1.62        1.1582    2   3   7         8
                83.89          1.47        1.1534    3   2   8         8
                84.97          3.24        1.1415    4   1   7         8
                88.23          2.16        1.1074    2   3   8         8
                88.25          1.05        1.1073    0   4   5         4
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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.