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: superstructure
      Locality: synthetic
      _database_code_amcsd 0006615

      CELL PARAMETERS:   15.0210   8.6004  16.4338   90.000   91.512   90.000
      SPACE GROUP: C1        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2122.288
      Density (g/cm3):      2.256
      MAX. ABS. INTENSITY / VOLUME**2:     0.7451819886    
      RIR:      0.108
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 5.38         42.40       16.4281    0   0   1         1
                10.77         96.31        8.2140    0   0   2         1
                11.79         10.87        7.5079    2   0   0         1
                11.86         26.64        7.4630   -1   1   0         1
                11.86         73.36        7.4630    1   1   0         1
                12.83         18.05        6.8977   -2   0   1         1
                12.96          9.88        6.8285   -1  -1   1         1
                12.96         21.23        6.8285   -1   1   1         1
                13.09          9.51        6.7614    2   0   1         1
                13.09         33.46        6.7614    1  -1   1         1
                13.09          5.92        6.7614    1   1   1         1
                15.78         36.91        5.6160   -2   0   2         1
                15.94         17.04        5.5600   -1  -1   2         1
                15.94          5.28        5.5600   -1   1   2         1
                16.15          5.47        5.4879    1   1   2         1
                16.15          6.76        5.4879    1  -1   2         1
                16.19         33.64        5.4760    0   0   3         1
                16.20         13.73        5.4703    2   0   2         1
                19.81          5.30        4.4809   -2   0   3         1
                19.98         27.28        4.4429   -1   1   3         1
                20.24          5.38        4.3876    1  -1   3         1
                20.24          1.17        4.3876    1   1   3         1
                20.32         13.98        4.3697    2   0   3         1
                20.53         48.12        4.3260    3   1   0         1
                20.53         34.80        4.3260   -3   1   0         1
                20.66         11.90        4.3002    0   2   0         1
                21.12          8.72        4.2071   -3  -1   1         1
                21.36          5.45        4.1601    3  -1   1         1
                21.36          1.87        4.1601    3   1   1         1
                21.36          6.20        4.1600    0   2   1         1
                21.64         12.40        4.1070    0   0   4         1
                23.02          5.48        3.8641   -3  -1   2         1
                23.02         15.25        3.8641   -3   1   2         1
                23.35         30.87        3.8097    0  -2   2         1
                23.46          6.08        3.7921    3  -1   2         1
                23.46         22.08        3.7921    3   1   2         1
                23.70          6.49        3.7539    4   0   0         1
                23.85          3.08        3.7315    2   2   0         1
                23.85          7.89        3.7315   -2   2   0         1
                24.18          2.92        3.6808   -4   0   1         1
                24.39          8.09        3.6491   -2  -2   1         1
                24.43          1.44        3.6439   -2   0   4         1
                24.46          7.61        3.6388    4   0   1         1
                24.53         10.04        3.6285    2   2   1         1
                24.60          1.85        3.6182   -1   1   4         1
                24.88          2.77        3.5784    1   1   4         1
                25.83          2.82        3.4489   -4   0   2         1
                25.96          6.58        3.4328   -3  -1   3         1
                25.96          3.13        3.4328   -3   1   3         1
                26.10          5.01        3.4143   -2  -2   2         1
                26.35          1.10        3.3820    0   2   3         1
                26.36          8.08        3.3807    4   0   2         1
                26.36          2.79        3.3807    2   2   2         1
                26.55          2.47        3.3575    3  -1   3         1
                26.55          4.38        3.3575    3   1   3         1
                27.14          7.75        3.2856    0   0   5         1
                28.47          4.32        3.1351   -4   0   3         1
                28.77          1.42        3.1026   -2  -2   3         1
                28.77          1.29        3.1026   -2   2   3         1
                29.14          2.74        3.0650    2  -2   3         1
                29.38          1.95        3.0396   -2   0   5         1
                29.56          5.25        3.0217   -1   1   5         1
                29.56          3.39        3.0217   -1  -1   5         1
                29.65          1.30        3.0130   -3   1   4         1
                29.97          1.82        2.9813    2   0   5         1
                30.09          2.63        2.9700    0  -2   4         1
                30.09          1.36        2.9700    0   2   4         1
                30.35          1.11        2.9452    3  -1   4         1
                30.35          4.04        2.9452    3   1   4         1
                31.56          2.61        2.8353    5   1   0         1
                31.56          1.93        2.8353   -5   1   0         1
                31.64          5.26        2.8280    4   2   0         1
                31.78          2.21        2.8159   -1   3   0         1
                31.78          1.45        2.8159    1   3   0         1
                31.87          2.07        2.8080   -4   0   4         1
                32.01          3.39        2.7963   -4   2   1         1
                32.01          4.43        2.7963   -4  -2   1         1
                32.17          3.85        2.7824    5  -1   1         1
                32.20          4.22        2.7800   -2  -2   4         1
                32.23          7.45        2.7778    4  -2   1         1
                32.23          1.59        2.7778    4   2   1         1
                32.23          2.00        2.7778   -1  -3   1         1
                32.23         11.63        2.7778   -1   3   1         1
                32.28          4.00        2.7732    1  -3   1         1
                32.28          1.22        2.7732    1   3   1         1
                32.63          1.69        2.7439    2   2   4         1
                32.71          1.32        2.7380    0   0   6         1
                32.74          2.65        2.7352    4   0   4         1
                33.17          3.73        2.7009   -5   1   2         1
                33.30          1.31        2.6904   -4   2   2         1
                33.30          1.44        2.6904   -4  -2   2         1
                33.70          1.55        2.6597    5  -1   2         1
                33.70          1.04        2.6597    5   1   2         1
                33.70          1.57        2.6597    1   3   2         1
                33.70          8.47        2.6597    1  -3   2         1
                33.72          4.36        2.6577    4  -2   2         1
                33.72          3.14        2.6577    4   2   2         1
                33.88          4.27        2.6457   -3   1   5         1
                34.35          3.45        2.6108    0  -2   5         1
                34.35          1.79        2.6108    0   2   5         1
                34.66          2.82        2.5882    3   1   5         1
                34.75          5.16        2.5814   -1   1   6         1
                35.06          1.24        2.5596    1  -1   6         1
                35.06          1.58        2.5596    1   1   6         1
                35.18          2.64        2.5507    2   0   6         1
                35.28          1.02        2.5438   -5   1   3         1
                35.43          2.41        2.5333   -4  -2   3         1
                35.78          1.69        2.5093   -1  -3   3         1
                35.78          1.39        2.5093   -1   3   3         1
                35.88          6.51        2.5026    6   0   0         1
                35.93          2.26        2.4992    1   3   3         1
                36.03          1.33        2.4926    5  -1   3         1
                36.03          1.34        2.4926    5   1   3         1
                36.03          3.03        2.4926    4  -2   3         1
                36.03          1.44        2.4926    4   2   3         1
                36.11          3.55        2.4877    3   3   0         1
                36.11          1.09        2.4877   -3   3   0         1
                36.16          1.86        2.4839   -6   0   1         1
                36.61          1.58        2.4549    3   3   1         1
                36.68          2.13        2.4500    2  -2   5         1
                37.64          1.91        2.3896   -3  -3   2         1
                37.86          1.24        2.3766    6   0   2         1
                37.93          2.45        2.3722    3   3   2         1
                38.12          2.13        2.3609   -5  -1   4         1
                38.12          1.99        2.3609   -5   1   4         1
                38.28          1.42        2.3511   -4   2   4         1
                38.28          3.09        2.3511   -4  -2   4         1
                38.35          2.12        2.3469    0   0   7         1
                38.68          1.48        2.3278   -1  -3   4         1
                38.68          1.51        2.3278   -1   3   4         1
                38.87          1.78        2.3171    1  -3   4         1
                38.87          3.68        2.3171    1   3   4         1
                39.03          2.72        2.3079    4  -2   4         1
                39.18          1.74        2.2992   -6   0   3         1
                39.59          2.33        2.2762   -3   3   3         1
                40.00          2.05        2.2538    3   3   3         1
                40.13          1.11        2.2472   -1  -1   7         1
                40.13          1.89        2.2472   -1   1   7         1
                40.25          2.11        2.2404   -4   0   6         1
                41.55          1.99        2.1735   -5   1   5         1
                41.72          2.61        2.1648   -4  -2   5         1
                42.64          1.85        2.1206    5   1   5         1
                43.00          1.55        2.1035   -6  -2   2         1
                43.65          1.59        2.0737   -5   3   0         1
                43.95          1.89        2.0600    0  -2   7         1
                44.10          2.70        2.0535    0   0   8         1
                44.12          1.73        2.0527    5   3   1         1
                44.33          2.68        2.0434    3   1   7         1
                44.89          1.79        2.0193   -5  -3   2         1
                45.38          1.04        1.9985   -2  -2   7         1
                45.44          1.49        1.9959   -3  -3   5         1
                45.48          1.19        1.9945   -5   1   6         1
                45.66          1.67        1.9869   -4  -2   6         1
                45.67          1.44        1.9866   -1  -1   8         1
                45.67          1.69        1.9866   -1   1   8         1
                46.13          2.10        1.9679   -1   3   6         1
                46.55          1.10        1.9511   -5   3   3         1
                46.63          1.83        1.9478    4  -2   6         1
                47.15          1.73        1.9277    5  -3   3         1
                48.65          1.33        1.8717   -3   1   8         1
                48.84          1.30        1.8648   -5   3   4         1
                49.20          1.30        1.8518   -2   4   4         1
                49.53          1.74        1.8404   -8   0   2         1
                49.57          1.10        1.8389    3   1   8         1
                49.95          1.14        1.8259   -6   2   5         1
                50.14          1.27        1.8194    8   0   2         1
                50.76          1.11        1.7985    1  -3   7         1
                51.70          1.01        1.7682   -5   3   5         1
                51.91          1.29        1.7614    8   0   3         1
                53.96          1.17        1.6992    1  -5   1         1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.