Ba3 Fe2 O21 Ta6 Groult D, Chailleux J, Raveau B, Deschanvres A Revue de Chimie Minerale 14 (1977) 1-10 Nouveaux tantalates A3 (Ta8-x Mx) O21 a structure en cages _cod_database_code 1001301 _database_code_amcsd 0015380 CELL PARAMETERS: 9.1160 9.1160 11.9300 90.000 90.000 120.000 SPACE GROUP: P6_3/mcm X-RAY WAVELENGTH: 1.541838 Cell Volume: 858.578 Density (g/cm3): 7.524 MAX. ABS. INTENSITY / VOLUME**2: 119.6030809 RIR: 5.176 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.21 1.54 7.8947 1 0 0 6 14.85 16.75 5.9650 0 0 2 2 20.86 2.63 4.2578 1 1 1 12 22.52 13.56 3.9473 2 0 0 6 24.58 55.93 3.6217 1 1 2 12 27.09 62.22 3.2918 2 0 2 12 29.82 100.00 2.9965 1 1 3 12 29.95 50.07 2.9839 2 1 0 12 30.89 68.70 2.8947 2 1 1 24 32.08 26.11 2.7900 1 0 4 12 33.58 15.63 2.6686 2 1 2 24 34.07 26.09 2.6316 3 0 0 6 35.99 12.15 2.4957 1 1 4 12 37.35 5.79 2.4077 3 0 2 12 37.69 10.14 2.3867 2 1 3 24 37.81 6.25 2.3796 2 0 4 12 40.29 6.10 2.2385 2 2 1 12 41.95 12.68 2.1536 3 1 1 24 42.46 2.76 2.1289 2 2 2 12 42.78 1.73 2.1139 1 1 5 12 45.63 9.17 1.9883 0 0 6 2 45.98 13.53 1.9737 4 0 0 6 45.99 9.55 1.9733 3 0 4 12 47.13 7.34 1.9281 1 0 6 12 47.40 5.51 1.9181 3 1 3 24 48.59 1.24 1.8738 4 0 2 12 48.87 6.97 1.8635 2 1 5 24 50.05 21.62 1.8225 1 1 6 12 50.38 2.06 1.8112 3 2 0 12 50.39 16.01 1.8108 2 2 4 12 51.00 6.28 1.7906 3 2 1 24 51.80 19.05 1.7650 3 1 4 24 52.83 13.28 1.7330 3 2 2 24 53.17 16.85 1.7228 4 1 0 12 55.52 16.96 1.6551 4 1 2 24 55.54 1.43 1.6546 2 1 6 24 55.77 14.68 1.6483 3 2 3 24 55.86 17.45 1.6459 4 0 4 12 57.09 3.50 1.6132 3 1 5 24 57.75 1.38 1.5963 1 1 7 12 58.45 4.48 1.5789 5 0 0 6 59.73 1.10 1.5481 3 2 4 24 60.67 3.12 1.5264 5 0 2 12 61.53 5.87 1.5072 3 3 1 12 61.93 8.53 1.4983 2 2 6 12 62.22 6.83 1.4920 4 2 0 12 62.26 2.13 1.4913 0 0 8 2 62.76 1.10 1.4804 4 2 1 24 62.79 12.87 1.4799 2 1 7 24 63.15 1.55 1.4723 3 3 2 12 63.17 2.22 1.4720 3 1 6 24 63.49 1.46 1.4653 1 0 8 12 65.80 1.34 1.4193 3 3 3 12 65.87 3.71 1.4179 5 1 0 12 66.39 1.40 1.4080 5 1 1 24 66.78 13.84 1.4008 4 0 6 12 66.99 2.68 1.3969 4 2 3 24 68.78 1.41 1.3649 2 2 7 12 69.42 3.73 1.3538 3 3 4 12 69.95 2.07 1.3449 3 1 7 24 70.51 6.55 1.3356 5 1 3 24 72.91 2.48 1.2974 3 0 8 12 73.74 1.68 1.2849 6 0 2 12 73.96 1.04 1.2816 3 3 5 12 74.56 3.79 1.2728 1 1 9 12 75.09 1.01 1.2650 4 2 5 24 75.65 1.37 1.2571 5 2 1 24 76.80 3.42 1.2412 3 2 7 24 77.14 7.93 1.2365 5 0 6 12 77.43 1.85 1.2325 3 1 8 24 79.37 5.26 1.2072 3 3 6 12 79.57 3.60 1.2048 5 2 3 24 79.63 4.08 1.2039 6 1 0 12 80.75 1.07 1.1901 4 3 4 24 82.96 8.46 1.1639 5 2 4 24 83.99 6.39 1.1523 6 1 3 24 84.92 2.75 1.1420 2 0 10 12 85.65 3.25 1.1341 3 3 7 12 86.27 1.12 1.1275 4 1 8 24 87.07 1.28 1.1193 4 4 2 12 88.16 1.04 1.1082 7 0 2 12 88.20 1.72 1.1077 2 1 10 24 89.27 2.05 1.0973 6 0 6 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.