Armenite Armbruster T American Mineralogist 84 (1999) 92-101 Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30.2H2O: A single-crystal X-ray and 29Si MAS NMR study _database_code_amcsd 0002054 CELL PARAMETERS: 18.6600 10.6970 13.8740 90.000 90.000 90.000 SPACE GROUP: Pnc2 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2769.334 Density (g/cm3): 2.768 MAX. ABS. INTENSITY / VOLUME**2: 9.529542319 RIR: 1.121 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.48 22.73 9.3300 2 0 0 2 9.53 35.25 9.2803 1 1 0 4 12.76 100.00 6.9370 0 0 2 1 13.62 2.58 6.5022 1 0 2 2 15.92 2.35 5.5669 2 0 2 2 15.95 6.39 5.5563 1 1 2 4 16.49 1.32 5.3771 3 1 0 4 16.57 1.21 5.3485 0 2 0 2 17.96 2.87 4.9382 2 1 2 4 20.90 48.79 4.2498 3 1 2 4 20.97 22.76 4.2357 0 2 2 2 21.51 2.83 4.1306 1 2 2 4 22.97 32.86 3.8711 4 0 2 2 23.06 73.78 3.8569 2 2 2 4 24.45 2.34 3.6401 4 1 2 4 25.33 1.19 3.5156 4 2 0 4 25.43 2.31 3.5023 1 3 0 4 25.68 4.99 3.4685 0 0 4 1 26.09 28.43 3.4153 5 1 1 4 26.15 31.99 3.4079 4 2 1 4 26.24 26.27 3.3958 1 3 1 4 27.43 1.81 3.2511 2 0 4 2 28.41 2.49 3.1416 5 1 2 4 28.46 1.05 3.1359 4 2 2 4 28.55 1.66 3.1264 1 3 2 4 28.70 13.74 3.1100 6 0 0 2 28.86 33.02 3.0934 3 3 0 4 29.76 1.69 3.0026 2 3 2 4 30.67 60.86 2.9147 3 1 4 4 30.72 30.70 2.9101 0 2 4 2 31.53 1.28 2.8379 6 0 2 2 31.67 2.64 2.8252 3 3 2 4 31.93 3.92 2.8028 5 1 3 4 31.98 5.41 2.7988 4 2 3 4 32.06 4.55 2.7920 1 3 3 4 32.16 27.93 2.7834 4 0 4 2 32.22 49.07 2.7781 2 2 4 4 33.33 27.44 2.6885 6 2 0 4 33.51 15.65 2.6742 0 4 0 2 34.19 1.14 2.6226 4 3 2 4 34.68 7.55 2.5866 7 1 0 4 34.80 5.25 2.5781 5 3 0 4 34.90 5.87 2.5707 2 4 0 4 35.30 5.75 2.5428 7 1 1 4 35.41 4.48 2.5347 5 3 1 4 35.51 4.63 2.5277 2 4 1 4 35.82 15.68 2.5068 6 2 2 4 35.99 8.26 2.4953 0 4 2 2 36.34 4.91 2.4719 5 1 4 4 36.39 4.58 2.4691 4 2 4 4 36.46 3.55 2.4645 1 3 4 4 37.09 2.15 2.4236 7 1 2 4 37.21 2.19 2.4166 5 3 2 4 37.30 2.78 2.4105 2 4 2 4 38.81 1.14 2.3201 4 4 0 4 38.89 3.42 2.3155 6 0 4 2 39.01 4.29 2.3086 3 3 4 4 39.26 1.07 2.2948 1 0 6 2 39.94 1.56 2.2575 7 1 3 4 40.04 1.66 2.2518 5 3 3 4 40.13 1.90 2.2469 2 4 3 4 40.19 2.20 2.2437 1 1 6 4 40.82 4.10 2.2109 8 0 2 2 41.02 7.45 2.2003 4 4 2 4 41.09 1.33 2.1966 2 1 6 4 42.54 8.83 2.1249 6 2 4 4 42.56 8.18 2.1242 3 1 6 4 42.60 3.67 2.1225 0 2 6 2 42.69 4.16 2.1179 0 4 4 2 42.88 1.38 2.1089 1 2 6 4 43.69 1.97 2.0718 4 0 6 2 43.74 3.68 2.0696 2 2 6 4 44.33 3.82 2.0432 8 2 2 4 44.39 2.57 2.0406 7 3 2 4 44.51 8.85 2.0355 9 1 0 4 44.55 1.18 2.0340 4 1 6 4 44.59 3.17 2.0322 1 5 2 4 44.69 6.88 2.0277 6 4 0 4 44.80 6.68 2.0231 3 5 0 4 45.19 1.08 2.0064 6 4 1 4 45.30 1.01 2.0019 3 5 1 4 46.50 7.71 1.9531 9 1 2 4 46.67 7.43 1.9462 6 4 2 4 46.77 6.97 1.9422 3 5 2 4 46.87 1.01 1.9384 7 3 3 4 47.13 2.32 1.9284 4 4 4 4 48.09 6.11 1.8920 7 1 5 4 48.18 5.94 1.8887 5 3 5 4 48.26 5.59 1.8858 2 4 5 4 48.80 1.05 1.8660 10 0 0 2 49.08 4.54 1.8561 5 5 0 4 49.10 3.23 1.8556 6 0 6 2 49.20 6.82 1.8521 3 3 6 4 51.90 2.60 1.7619 10 2 0 4 52.02 2.08 1.7578 8 4 0 4 52.10 3.59 1.7555 9 1 4 4 52.17 13.38 1.7531 6 2 6 4 52.24 2.11 1.7511 2 6 0 4 52.26 4.95 1.7505 6 4 4 4 52.30 5.59 1.7491 0 4 6 2 52.35 2.67 1.7478 10 2 1 4 52.35 4.98 1.7475 3 5 4 4 52.47 2.85 1.7439 8 4 1 4 52.68 1.82 1.7374 2 6 1 4 52.75 2.29 1.7354 9 3 2 4 52.79 7.63 1.7342 0 0 8 1 53.67 1.08 1.7076 10 2 2 4 53.76 2.66 1.7050 2 0 8 2 53.77 4.41 1.7047 1 1 8 4 53.80 1.31 1.7040 8 4 2 4 54.01 1.04 1.6979 2 6 2 4 55.96 1.80 1.6433 10 0 4 2 56.00 2.12 1.6422 8 0 6 2 56.16 4.87 1.6378 4 4 6 4 56.21 3.86 1.6365 5 5 4 4 57.91 6.64 1.5923 9 3 4 4 58.18 3.07 1.5856 0 6 4 2 58.60 1.18 1.5752 11 1 3 4 58.78 3.22 1.5708 10 2 4 4 58.90 1.93 1.5680 8 4 4 4 59.10 2.54 1.5632 2 6 4 4 61.07 3.67 1.5173 12 0 2 2 61.19 1.62 1.5147 6 0 8 2 61.28 3.78 1.5127 3 3 8 4 61.42 6.47 1.5096 6 6 2 4 62.05 1.24 1.4958 11 3 2 4 62.17 5.73 1.4932 12 2 0 4 62.37 6.50 1.4889 9 5 0 4 62.44 1.71 1.4874 10 2 5 4 62.55 1.72 1.4849 8 4 5 4 62.60 5.96 1.4840 3 7 0 4 62.74 1.59 1.4809 2 6 5 4 63.87 6.75 1.4574 6 2 8 4 63.99 3.24 1.4551 0 4 8 2 64.71 1.33 1.4404 7 1 8 4 64.79 1.82 1.4390 5 3 8 4 64.85 1.41 1.4377 2 4 8 4 65.82 4.12 1.4189 12 0 4 2 65.94 1.50 1.4166 9 3 6 4 66.15 7.60 1.4126 6 6 4 4 66.19 1.14 1.4119 0 6 6 2 66.75 1.76 1.4014 10 2 6 4 66.86 1.42 1.3994 8 4 6 4 67.04 1.89 1.3960 2 6 6 4 67.27 1.88 1.3917 8 0 8 2 67.42 2.62 1.3891 4 4 8 4 70.04 2.20 1.3434 3 1 10 4 70.07 1.23 1.3430 0 2 10 2 70.90 1.71 1.3293 2 2 10 4 71.21 3.56 1.3242 7 1 9 4 71.28 3.79 1.3231 5 3 9 4 71.34 3.46 1.3221 2 4 9 4 71.49 2.77 1.3197 12 4 2 4 71.91 1.42 1.3130 0 8 2 2 73.18 1.94 1.2933 14 2 0 4 73.37 1.25 1.2904 12 0 6 2 73.46 1.92 1.2891 10 6 0 4 73.55 1.27 1.2877 14 2 1 4 73.69 1.94 1.2856 6 6 6 4 73.71 1.81 1.2854 4 8 0 4 73.83 1.30 1.2835 10 6 1 4 74.65 1.91 1.2714 14 2 2 4 74.93 1.74 1.2674 10 6 2 4 75.18 1.97 1.2639 4 8 2 4 75.84 2.14 1.2544 12 2 6 4 75.91 7.23 1.2534 12 4 4 4 76.03 2.33 1.2518 9 5 6 4 76.23 1.97 1.2489 3 7 6 4 76.33 3.69 1.2476 0 8 4 2 76.48 1.42 1.2455 14 2 3 4 76.76 1.23 1.2417 10 6 3 4 77.00 1.03 1.2384 4 8 3 4 77.00 1.93 1.2384 7 7 4 4 77.18 2.19 1.2359 10 2 8 4 77.28 2.97 1.2345 8 4 8 4 77.41 1.81 1.2329 6 2 10 4 77.46 2.73 1.2322 2 6 8 4 77.51 1.10 1.2315 0 4 10 2 80.70 1.72 1.1907 4 4 10 4 82.95 1.23 1.1640 15 1 4 4 83.11 1.25 1.1622 12 4 6 4 83.36 1.63 1.1594 9 7 4 4 85.89 2.93 1.1315 12 2 8 4 86.07 3.43 1.1297 9 5 8 4 86.27 3.01 1.1275 3 7 8 4 86.78 1.12 1.1222 4 0 12 2 86.81 1.99 1.1219 2 2 12 4 88.97 1.03 1.1001 8 8 4 4 89.28 1.24 1.0971 9 3 10 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.