Cu3 O21 Rb Ta7 Benmoussa A, Groult D, Studer F, Raveau B Journal of Solid State Chemistry 41 (1982) 221-226 Intergrowth of Hexagonal Tungsten Bronze and Perovskite-like Structures: The Oxides A Cu3 M7 O21 (A = K, Rb, Cs, Tl; M = Nb, Ta) _cod_database_code 1001218 _database_code_amcsd 0013465 CELL PARAMETERS: 28.1100 7.5030 7.5480 90.000 90.000 90.000 SPACE GROUP: Cmmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 1591.944 Density (g/cm3): 7.838 MAX. ABS. INTENSITY / VOLUME**2: 91.21467720 RIR: 3.789 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 6.29 30.48 14.0550 2 0 0 2 12.21 8.43 7.2492 1 1 0 4 12.60 6.82 7.0275 4 0 0 2 15.13 7.34 5.8567 3 1 0 4 18.94 6.48 4.6850 6 0 0 2 19.18 1.92 4.6272 3 1 1 8 19.73 5.14 4.4991 5 1 0 4 23.01 1.91 3.8646 5 1 1 8 23.57 91.65 3.7740 0 0 2 2 23.72 31.90 3.7515 0 2 0 2 24.56 21.12 3.6246 2 2 0 4 25.15 1.48 3.5405 7 1 0 4 25.35 77.44 3.5138 8 0 0 2 26.63 13.97 3.3475 1 1 2 8 26.81 3.70 3.3249 4 0 2 4 26.94 34.72 3.3095 4 2 0 4 28.13 14.54 3.1724 3 1 2 8 30.41 47.67 2.9390 6 0 2 4 30.53 100.00 2.9284 6 2 0 4 30.93 11.37 2.8914 5 1 2 8 31.01 2.09 2.8835 9 1 0 4 31.83 5.54 2.8110 10 0 0 2 33.69 81.14 2.6606 0 2 2 4 34.30 19.12 2.6142 2 2 2 8 34.74 9.35 2.5821 7 1 2 8 34.89 63.30 2.5717 8 0 2 4 34.99 38.62 2.5645 8 2 0 4 36.10 15.98 2.4883 4 2 2 8 38.43 1.30 2.3425 12 0 0 2 38.93 19.55 2.3136 6 2 2 8 39.32 5.22 2.2913 9 1 2 8 39.43 1.25 2.2851 5 3 0 4 40.08 2.62 2.2496 10 2 0 4 42.62 19.10 2.1211 8 2 2 8 43.30 1.09 2.0896 0 2 3 4 43.53 3.69 2.0791 1 3 2 8 45.16 12.39 2.0079 14 0 0 2 45.66 7.63 1.9870 12 2 0 4 46.46 3.81 1.9547 5 3 2 8 48.23 34.77 1.8870 0 0 4 2 48.53 27.75 1.8757 0 4 0 2 49.25 3.95 1.8503 7 3 2 8 50.12 3.48 1.8201 13 1 2 8 51.56 9.66 1.7726 14 0 2 4 51.63 23.12 1.7703 14 2 0 4 52.05 9.93 1.7569 16 0 0 2 52.55 1.18 1.7414 6 4 0 4 52.79 2.76 1.7340 9 3 2 8 54.43 5.80 1.6858 0 2 4 4 54.64 14.71 1.6797 0 4 2 4 54.85 4.30 1.6738 2 2 4 8 55.26 15.28 1.6624 8 0 4 4 55.54 15.64 1.6547 8 4 0 4 56.11 7.87 1.6393 4 2 4 8 56.15 1.44 1.6380 15 1 2 8 56.31 1.09 1.6337 4 4 2 8 57.01 1.63 1.6154 11 3 2 8 57.50 42.42 1.6027 14 2 2 8 57.90 3.18 1.5927 16 0 2 4 57.96 1.07 1.5910 16 2 0 4 58.16 27.35 1.5862 6 2 4 8 58.36 15.86 1.5812 6 4 2 8 58.95 1.82 1.5667 10 0 4 4 59.16 2.34 1.5617 18 0 0 2 59.22 2.05 1.5603 10 4 0 4 60.96 14.44 1.5199 8 2 4 8 61.15 30.80 1.5155 8 4 2 8 61.82 1.30 1.5008 13 3 2 8 62.57 1.09 1.4846 17 1 2 8 63.45 7.29 1.4661 16 2 2 8 64.59 1.31 1.4430 18 0 2 4 67.97 1.14 1.3792 3 5 2 8 68.20 5.81 1.3751 14 0 4 4 68.45 4.57 1.3707 14 4 0 4 68.59 3.60 1.3683 12 2 4 8 69.37 1.11 1.3548 19 1 2 8 69.45 1.13 1.3534 5 5 2 8 69.84 1.35 1.3468 18 2 2 8 70.83 14.16 1.3303 0 4 4 4 71.65 1.77 1.3171 20 0 2 4 73.04 1.28 1.2955 17 3 2 8 73.33 12.33 1.2911 14 2 4 8 73.51 4.24 1.2883 14 4 2 8 73.67 5.53 1.2858 16 0 4 4 73.91 4.56 1.2823 16 4 0 4 75.59 1.97 1.2580 0 0 6 2 76.58 9.43 1.2441 8 4 4 8 77.54 1.09 1.2312 4 6 0 4 78.77 2.30 1.2150 6 0 6 4 78.84 2.38 1.2141 16 4 2 8 79.14 3.97 1.2102 22 0 2 4 79.19 8.81 1.2095 22 2 0 4 79.30 4.82 1.2082 6 6 0 4 79.70 1.58 1.2031 18 0 4 4 79.75 1.49 1.2025 10 4 4 8 79.93 1.49 1.2002 18 4 0 4 80.53 4.76 1.1927 0 2 6 4 80.88 1.42 1.1885 2 2 6 8 81.00 4.55 1.1870 0 6 2 4 81.22 4.33 1.1844 8 0 6 4 81.35 1.53 1.1828 2 6 2 8 81.74 2.48 1.1781 8 6 0 4 81.93 1.24 1.1759 4 2 6 8 82.39 1.43 1.1705 4 6 2 8 83.67 1.70 1.1559 6 2 6 8 84.03 6.61 1.1518 22 2 2 8 84.13 2.23 1.1507 6 6 2 8 86.09 2.30 1.1294 8 2 6 8 86.55 3.43 1.1246 8 6 2 8 88.08 4.19 1.1090 14 4 4 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.