Nb2(PO4)3 Leclaire A, Borel M, Grandin A, Raveau B Acta Crystallographica C45 (1989) 699-701 A mixed-valence niobium phosphate with an empty nasicon structure: Nb2(PO4)3 _cod_database_code 1001855 _database_code_amcsd 0010075 CELL PARAMETERS: 8.6974 8.6974 22.1230 90.000 90.000 120.000 SPACE GROUP: R-3c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1449.283 Density (g/cm3): 3.236 MAX. ABS. INTENSITY / VOLUME**2: 31.19728776 RIR: 3.140 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.23 48.81 6.2258 0 1 2 6 19.92 100.00 4.4580 1 0 4 6 20.42 68.19 4.3487 1 1 0 6 23.75 69.02 3.7459 1 1 3 12 28.68 64.56 3.1129 0 2 4 6 31.69 9.99 2.8236 2 1 1 12 31.82 41.56 2.8123 1 1 6 12 34.55 5.61 2.5959 0 1 8 6 35.46 26.71 2.5312 2 1 4 12 35.76 24.11 2.5107 3 0 0 6 40.47 4.76 2.2290 2 0 8 6 41.53 2.49 2.1744 2 2 0 6 42.23 3.77 2.1399 1 1 9 12 42.59 2.53 2.1226 1 0 10 6 42.75 1.25 2.1152 2 1 7 12 43.39 2.31 2.0856 2 2 3 12 43.61 3.21 2.0753 0 3 6 6 44.12 2.27 2.0528 3 1 2 12 45.74 16.14 1.9836 1 2 8 12 46.47 16.62 1.9543 1 3 4 12 47.68 6.44 1.9075 0 2 10 6 48.61 12.81 1.8729 2 2 6 12 49.08 3.65 1.8563 0 4 2 6 51.25 1.15 1.7826 4 0 4 6 52.38 17.37 1.7469 2 1 10 12 52.51 3.78 1.7427 1 3 7 12 54.03 3.82 1.6974 1 1 12 12 55.10 9.22 1.6669 3 1 8 12 55.73 13.35 1.6494 3 2 4 12 55.94 17.63 1.6437 4 1 0 12 57.23 1.10 1.6096 2 3 5 12 57.44 1.56 1.6043 4 1 3 12 59.38 5.09 1.5565 0 4 8 6 59.80 2.61 1.5465 0 1 14 6 61.00 11.27 1.5189 1 3 10 12 61.80 2.68 1.5012 1 4 6 12 61.80 2.39 1.5012 4 1 6 12 63.48 2.13 1.4654 2 3 8 12 63.88 6.16 1.4571 2 0 14 6 64.06 4.89 1.4535 0 5 4 6 64.26 3.47 1.4496 3 3 0 6 65.04 4.16 1.4339 4 0 10 6 66.49 2.03 1.4062 2 2 12 12 67.00 1.88 1.3967 1 1 15 12 67.83 5.88 1.3816 1 2 14 12 68.01 4.50 1.3785 2 4 4 12 68.96 2.98 1.3618 3 2 10 12 69.63 1.84 1.3503 5 1 1 12 69.70 1.16 1.3491 3 3 6 12 71.84 8.76 1.3141 5 1 4 12 75.05 1.49 1.2656 4 2 8 12 75.43 4.10 1.2603 3 1 14 12 75.77 4.40 1.2554 6 0 0 6 76.61 1.96 1.2437 5 1 7 12 77.69 2.61 1.2291 0 0 18 2 80.18 1.65 1.1971 2 4 10 12 81.36 1.81 1.1827 1 1 18 12 82.77 4.43 1.1661 2 3 14 12 86.02 1.12 1.1302 3 4 8 12 86.75 1.37 1.1225 1 5 11 12 88.59 2.02 1.1039 3 0 18 6 88.59 1.41 1.1039 0 3 18 6 89.99 1.26 1.0904 5 0 14 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.