Ba3 O21 Ta3.2 Ti5 Mercey C, Groult D, Raveau B Revue de Chimie Minerale 16 (1979) 165-173 Insertion du niobium et du tantale dans les oxydes de type A3 M8 O21. Les composes Ba3 M4-4x Ti4+5x O21 (0 <= x <= 0.3) _cod_database_code 1001304 _database_code_amcsd 0015386 CELL PARAMETERS: 9.0170 9.0170 11.8200 90.000 90.000 120.000 SPACE GROUP: P6_3/mcm X-RAY WAVELENGTH: 1.541838 Cell Volume: 832.285 Density (g/cm3): 6.249 MAX. ABS. INTENSITY / VOLUME**2: 92.63019405 RIR: 4.826 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.33 10.59 7.8090 1 0 0 6 19.69 2.61 4.5085 1 1 0 6 24.84 31.93 3.5846 1 1 2 12 27.38 52.67 3.2577 2 0 2 12 30.12 100.00 2.9668 1 1 3 12 30.28 20.92 2.9515 2 1 0 12 31.24 58.81 2.8636 2 1 1 24 32.39 13.82 2.7637 1 0 4 12 33.95 7.70 2.6405 2 1 2 24 34.46 18.75 2.6030 3 0 0 6 36.35 3.72 2.4715 1 1 4 12 38.10 1.12 2.3622 2 1 3 24 38.20 10.23 2.3563 2 0 4 12 40.75 6.21 2.2143 2 2 1 12 42.43 17.82 2.1303 3 1 1 24 43.21 2.70 2.0936 1 1 5 12 44.56 1.28 2.0336 3 1 2 24 46.07 12.47 1.9700 0 0 6 2 46.49 8.21 1.9532 3 0 4 12 46.52 7.89 1.9522 4 0 0 6 47.61 4.25 1.9102 1 0 6 12 47.93 3.66 1.8980 3 1 3 24 49.39 6.09 1.8451 2 1 5 24 50.56 10.49 1.8052 1 1 6 12 50.95 9.19 1.7923 2 2 4 12 51.60 5.91 1.7713 3 2 1 24 51.99 1.18 1.7588 2 0 6 12 52.38 10.67 1.7469 3 1 4 24 53.44 12.88 1.7145 3 2 2 24 53.80 8.45 1.7041 4 1 0 12 56.18 6.59 1.6373 4 1 2 24 56.40 1.16 1.6314 2 2 5 12 56.42 13.41 1.6308 3 2 3 24 56.50 9.03 1.6289 4 0 4 12 57.73 5.22 1.5969 3 1 5 24 59.16 4.82 1.5618 5 0 0 6 60.43 3.77 1.5319 3 2 4 24 61.40 5.43 1.5100 5 0 2 12 62.28 5.41 1.4908 3 3 1 12 62.62 5.00 1.4834 2 2 6 12 62.90 1.72 1.4775 0 0 8 2 62.99 3.95 1.4758 4 2 0 12 63.47 9.80 1.4657 2 1 7 24 63.53 1.98 1.4644 4 2 1 24 66.69 1.79 1.4025 5 1 0 12 67.22 1.31 1.3928 5 1 1 24 67.55 6.92 1.3867 4 0 6 12 67.81 3.16 1.3820 4 2 3 24 69.56 1.16 1.3515 2 2 7 12 70.27 2.09 1.3396 3 3 4 12 70.75 3.11 1.3317 3 1 7 24 71.39 4.63 1.3213 5 1 3 24 73.74 2.38 1.2849 3 0 8 12 74.87 1.05 1.2683 3 3 5 12 75.38 3.80 1.2609 1 1 9 12 76.02 1.29 1.2519 4 2 5 24 77.72 2.97 1.2288 3 2 7 24 78.09 6.03 1.2238 5 0 6 12 78.33 1.28 1.2206 4 3 3 24 80.36 2.33 1.1949 3 3 6 12 80.61 2.48 1.1918 5 2 3 24 80.69 1.76 1.1909 6 1 0 12 84.05 5.65 1.1516 5 2 4 24 85.11 5.89 1.1399 6 1 3 24 85.91 2.20 1.1313 2 0 10 12 86.74 2.78 1.1226 3 3 7 12 89.27 1.01 1.0973 2 1 10 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.