Fe0.5 K3 O21 Ta7.5 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 1001299 _database_code_amcsd 0015378 CELL PARAMETERS: 9.1200 9.1200 12.0860 90.000 90.000 120.000 SPACE GROUP: P6_3/mcm X-RAY WAVELENGTH: 1.541838 Cell Volume: 870.568 Density (g/cm3): 7.012 MAX. ABS. INTENSITY / VOLUME**2: 106.0631339 RIR: 4.925 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.20 21.17 7.8982 1 0 0 6 14.66 78.99 6.0430 0 0 2 2 18.49 1.92 4.7994 1 0 2 12 20.82 50.78 4.2664 1 1 1 12 22.51 49.94 3.9491 2 0 0 6 24.45 32.05 3.6400 1 1 2 12 26.97 34.16 3.3058 2 0 2 12 29.56 6.39 3.0215 0 0 4 2 29.59 100.00 3.0192 1 1 3 12 29.93 59.23 2.9852 2 1 0 12 30.85 58.67 2.8981 2 1 1 24 31.71 29.22 2.8220 1 0 4 12 33.48 21.40 2.6765 2 1 2 24 34.05 28.37 2.6327 3 0 0 6 35.65 32.05 2.5187 1 1 4 12 37.25 14.69 2.4136 3 0 2 12 37.48 2.22 2.3997 2 0 4 12 37.50 41.77 2.3985 2 1 3 24 40.25 1.82 2.2405 2 2 1 12 41.21 1.17 2.1906 3 1 0 12 41.91 1.95 2.1554 3 1 1 24 42.37 3.04 2.1332 2 2 2 12 45.00 8.93 2.0143 0 0 6 2 45.71 3.11 1.9849 3 0 4 12 45.96 24.00 1.9745 4 0 0 6 46.53 11.82 1.9519 1 0 6 12 48.46 1.76 1.8786 2 1 5 24 48.50 1.82 1.8769 4 0 2 12 49.47 20.42 1.8426 1 1 6 12 50.12 18.81 1.8200 2 2 4 12 50.36 8.00 1.8120 3 2 0 12 50.96 13.21 1.7919 3 2 1 24 51.53 17.09 1.7735 3 1 4 24 52.74 8.05 1.7356 3 2 2 24 53.14 21.39 1.7235 4 1 0 12 54.99 1.49 1.6698 2 1 6 24 55.44 15.51 1.6574 4 1 2 24 55.60 27.25 1.6529 4 0 4 12 55.62 25.20 1.6525 3 2 3 24 57.04 8.00 1.6147 1 1 7 12 58.42 1.61 1.5796 5 0 0 6 61.37 1.27 1.5108 0 0 8 2 61.42 12.45 1.5096 2 2 6 12 61.48 3.99 1.5081 3 3 1 12 62.10 14.25 1.4946 2 1 7 24 62.19 6.52 1.4926 4 2 0 12 62.65 7.54 1.4827 3 1 6 24 64.28 2.14 1.4491 4 2 2 24 65.04 1.23 1.4341 1 1 8 12 65.65 4.54 1.4221 3 3 3 12 65.84 4.46 1.4185 5 1 0 12 66.29 21.02 1.4101 4 0 6 12 66.35 4.60 1.4089 5 1 1 24 66.83 1.71 1.3999 5 0 4 12 67.87 2.19 1.3810 5 1 2 24 69.19 5.74 1.3579 3 3 4 12 69.77 1.39 1.3480 2 1 8 24 70.36 10.32 1.3380 5 1 3 24 72.08 2.30 1.3103 3 0 8 12 73.52 3.30 1.2882 1 1 9 12 73.65 1.14 1.2862 6 0 2 12 75.60 2.74 1.2578 5 2 1 24 76.16 7.45 1.2500 3 2 7 24 76.66 4.19 1.2430 5 0 6 12 78.02 2.36 1.2247 2 1 9 24 78.90 5.17 1.2133 3 3 6 12 79.27 2.71 1.2086 0 0 10 2 79.41 1.83 1.2068 6 0 4 12 79.42 5.92 1.2067 5 2 3 24 79.59 3.56 1.2045 6 1 0 12 80.07 1.71 1.1985 6 1 1 24 80.52 2.57 1.1930 4 3 4 24 81.48 1.14 1.1812 6 1 2 24 82.72 6.23 1.1666 5 2 4 24 83.68 2.30 1.1557 2 0 10 12 83.83 6.18 1.1540 6 1 3 24 85.02 2.83 1.1409 3 3 7 12 85.10 1.86 1.1400 4 4 0 6 85.47 2.01 1.1361 4 1 8 24 86.97 3.00 1.1203 2 1 10 24 86.97 1.09 1.1202 4 4 2 12 88.79 1.72 1.1019 6 0 6 12 89.15 1.82 1.0984 3 0 10 12 89.39 4.07 1.0961 5 1 7 24 89.88 1.98 1.0914 4 3 6 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.