Tridymite
      Graetsch H, Topalovic-Dierdorf I
      European Journal of Mineralogy 8 (1996) 103-113
      29Si MAS NMR spectrum and superstructure of modulated tridymite L3-To(MX-1)
      Sample: average crystal structure
      Locality: synthetic
      _database_code_amcsd 0006616

      CELL PARAMETERS:    5.0070   8.6004   8.2169   90.000   91.512   90.000
      SPACE GROUP: Cc        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    353.715
      Density (g/cm3):      2.256
      MAX. ABS. INTENSITY / VOLUME**2:      10.91049077    
      RIR:      1.575
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.53        100.00        4.3260    1   1   0         2
                20.66         45.53        4.3002    0   2   0         2
                21.64         97.52        4.1070    0   0   2         1
                23.02         25.63        3.8641   -1   1   1         2
                23.35         28.58        3.8097    0   2   1         2
                23.46         29.62        3.7921    1   1   1         2
                29.65         12.93        3.0130   -1   1   2         2
                30.09         14.72        2.9700    0   2   2         2
                30.35          7.73        2.9452    1   1   2         2
                35.88         11.82        2.5026    2   0   0         1
                36.11         17.64        2.4877    1   3   0         2
                37.64          2.74        2.3896   -1   3   1         2
                37.93          2.85        2.3722    1   3   1         2
                38.51          5.35        2.3378   -1   1   3         2
                39.00          5.17        2.3096    0   2   3         2
                39.34          7.15        2.2901    1   1   3         2
                41.77          1.05        2.1626   -2   0   2         1
                42.23          1.31        2.1402   -1   3   2         2
                42.74          2.39        2.1155    1   3   2         2
                42.81          1.92        2.1125    2   0   2         1
                43.00          2.27        2.1035   -2   2   1         2
                43.51          1.99        2.0800    2   2   1         2
                43.51          2.14        2.0800    0   4   1         2
                44.10          2.90        2.0535    0   0   4         1
                47.03          1.05        1.9321   -2   2   2         2
                47.75          1.29        1.9049    0   4   2         2
                48.65          1.10        1.8717   -1   1   4         2
                49.17          2.80        1.8531    0   2   4         2
                53.38          2.06        1.7164   -2   2   3         2
                54.24          1.96        1.6910    0   4   3         2
                54.67          1.78        1.6788    2   2   3         2
                56.16          1.78        1.6379    3   1   0         2
                56.42          1.37        1.6309    2   4   0         2
                57.05          1.22        1.6143   -3   1   1         2
                57.68          1.95        1.5983   -1   5   1         2
                57.83          1.22        1.5944    2   4   1         2
                59.76          1.49        1.5476   -1   1   5         2
                60.31          1.61        1.5346    0   2   5         2
                60.76          2.24        1.5243    1   1   5         2
                64.64          1.97        1.4420    3   3   0         2
                65.66          1.61        1.4219   -3   1   3         2
                66.18          1.49        1.4121    0   6   1         2
                66.62          1.37        1.4038   -1   5   3         2
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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.