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.