K4 Nb8 O34 P5 Benabbas A, Borel M, Grandin A, Leclaire A, Raveau B Journal of Solid State Chemistry 87 (1990) 360-365 The niobium phosphate bronze K5-xNb8P5O34, a new tunnel structure, first member of the series (K3Nb6P4O26)n . KNb2PO8 _cod_database_code 1001449 _database_code_amcsd 0013681 CELL PARAMETERS: 13.9040 6.4530 20.6400 90.000 125.050 90.000 SPACE GROUP: P2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 1516.038 Density (g/cm3): 3.501 MAX. ABS. INTENSITY / VOLUME**2: 19.72516900 RIR: 1.834 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.77 4.91 11.3825 1 0 0 2 8.75 5.83 10.1095 -1 0 2 2 12.83 2.93 6.9014 -2 0 2 2 13.72 32.07 6.4530 0 1 0 2 14.69 1.52 6.0283 0 1 1 4 15.16 100.00 5.8457 -1 1 1 4 15.57 43.32 5.6913 2 0 0 2 15.79 7.24 5.6136 1 1 0 4 16.27 7.67 5.4496 1 0 2 2 16.30 4.90 5.4393 -1 1 2 4 17.29 2.89 5.1282 0 1 2 4 17.55 1.88 5.0547 -2 0 4 2 17.71 36.01 5.0081 -1 0 4 2 18.01 4.52 4.9262 1 1 1 4 18.83 7.85 4.7135 -2 1 2 4 19.13 17.17 4.6401 -2 1 1 4 19.37 3.54 4.5814 -3 0 2 2 19.97 20.80 4.4465 -2 1 3 4 20.81 9.07 4.2684 2 1 0 4 21.03 1.07 4.2242 0 0 4 2 21.34 1.43 4.1635 1 1 2 4 22.34 1.16 3.9793 -2 1 4 4 22.47 6.72 3.9564 -1 1 4 4 23.33 7.77 3.8133 2 0 2 2 23.45 13.27 3.7942 3 0 0 2 23.59 5.29 3.7707 2 1 1 4 23.75 5.42 3.7462 -3 1 3 4 24.84 2.58 3.5839 -3 1 4 4 25.20 13.01 3.5343 0 1 4 4 25.62 3.63 3.4767 -2 1 5 4 26.02 48.47 3.4239 -2 0 6 2 26.45 2.79 3.3698 -3 0 6 2 26.66 15.19 3.3438 -1 1 5 4 26.70 32.15 3.3384 -4 0 2 2 27.27 9.85 3.2707 3 1 0 4 27.65 3.22 3.2265 0 2 0 2 27.93 6.50 3.1947 -1 0 6 2 28.41 6.81 3.1418 -1 2 1 4 28.76 11.88 3.1042 1 2 0 4 29.05 6.07 3.0737 -1 2 2 4 29.11 11.02 3.0677 -4 0 6 2 29.26 6.65 3.0519 -4 1 3 4 29.53 11.08 3.0245 -2 1 6 4 29.85 20.17 2.9937 0 1 5 4 29.86 1.33 2.9926 1 1 4 4 29.91 1.51 2.9871 -3 1 6 4 30.14 10.56 2.9651 -4 1 2 4 30.30 4.66 2.9501 3 1 1 4 30.40 20.54 2.9408 -4 1 5 4 30.59 26.17 2.9228 -2 2 2 4 30.89 13.70 2.8951 3 0 2 2 31.27 16.34 2.8602 2 1 3 4 31.44 13.51 2.8456 4 0 0 2 31.77 2.81 2.8162 0 0 6 2 31.88 21.85 2.8068 2 2 0 4 32.87 7.16 2.7248 2 0 4 2 32.93 1.38 2.7197 -2 2 4 4 33.03 20.95 2.7123 -1 2 4 4 33.49 5.17 2.6755 -3 1 7 4 33.52 8.09 2.6737 -5 0 6 2 33.89 1.69 2.6453 -2 1 7 4 33.94 1.17 2.6415 3 1 2 4 33.98 15.00 2.6380 -3 2 2 4 34.73 17.67 2.5828 -3 2 4 4 34.76 4.33 2.5811 0 1 6 4 34.97 2.16 2.5656 -4 1 7 4 34.99 2.00 2.5641 0 2 4 4 35.37 2.87 2.5381 -5 1 5 4 35.77 1.68 2.5102 2 1 4 4 35.80 1.40 2.5085 -5 1 3 4 35.86 3.97 2.5040 -2 0 8 2 36.37 2.52 2.4700 -5 1 6 4 37.21 3.65 2.4164 -5 1 2 4 37.99 1.26 2.3686 -5 0 8 2 38.04 2.31 2.3653 3 1 3 4 38.59 5.28 2.3331 1 2 4 4 39.34 1.43 2.2905 -5 1 1 4 39.59 1.06 2.2765 5 0 0 2 40.04 1.83 2.2521 3 0 4 2 41.18 1.11 2.1920 -1 1 8 4 41.30 1.24 2.1859 4 1 2 4 42.00 1.62 2.1510 0 3 0 2 42.09 1.21 2.1468 5 1 0 4 42.35 2.03 2.1342 4 2 0 4 42.42 1.26 2.1310 -6 0 2 2 42.78 3.36 2.1136 1 3 0 4 42.96 3.32 2.1053 -5 2 4 4 42.99 1.57 2.1039 -1 3 2 4 43.26 1.92 2.0914 2 0 6 2 43.41 1.30 2.0845 0 3 2 4 44.10 4.67 2.0536 -2 3 2 4 44.24 2.94 2.0474 -2 3 1 4 44.32 2.43 2.0439 -6 1 8 4 44.43 12.04 2.0389 -3 0 10 2 44.64 1.22 2.0299 -2 3 3 4 44.79 1.74 2.0235 -6 1 2 4 44.88 1.33 2.0196 1 1 7 4 45.06 1.51 2.0121 2 3 0 4 45.38 1.79 1.9987 5 1 1 4 45.59 3.30 1.9896 -4 2 8 4 45.68 1.30 1.9863 -7 0 6 2 46.59 1.72 1.9496 -6 1 9 4 46.61 1.17 1.9486 -3 3 3 4 46.72 2.87 1.9441 -3 1 10 4 46.92 2.77 1.9364 5 0 2 2 47.19 1.03 1.9261 -6 1 1 4 47.23 1.06 1.9246 -3 3 4 4 47.29 1.15 1.9223 3 1 5 4 47.43 3.28 1.9168 0 3 4 4 47.63 1.49 1.9094 -5 2 8 4 47.70 1.06 1.9066 4 0 4 2 47.92 1.12 1.8984 -7 1 6 4 48.12 4.06 1.8910 1 0 8 2 48.26 2.70 1.8857 -7 1 7 4 48.27 1.73 1.8853 4 2 2 4 48.29 1.28 1.8846 -1 3 5 4 48.66 2.00 1.8712 3 3 0 4 48.75 2.57 1.8678 -6 2 4 4 48.97 1.69 1.8601 5 2 0 4 49.87 1.70 1.8285 4 1 4 4 49.91 2.52 1.8273 -4 3 3 4 50.08 2.10 1.8214 -2 3 6 4 50.28 1.52 1.8147 1 1 8 4 50.28 2.61 1.8146 0 3 5 4 50.29 2.87 1.8144 1 3 4 4 50.33 3.09 1.8131 -3 3 6 4 50.47 3.42 1.8082 -4 3 2 4 50.64 1.76 1.8027 0 1 9 4 50.64 3.29 1.8026 -4 3 5 4 50.69 1.87 1.8009 -7 1 3 4 50.71 6.01 1.8001 -7 0 2 2 50.96 1.28 1.7919 -6 2 8 4 51.22 1.12 1.7836 2 3 3 4 51.39 16.51 1.7782 -6 2 2 4 51.73 1.73 1.7672 -3 1 11 4 51.91 1.71 1.7615 -1 1 10 4 52.12 1.36 1.7550 2 2 6 4 52.65 3.09 1.7383 -4 2 10 4 52.70 2.31 1.7367 -6 1 11 4 52.73 1.62 1.7360 -3 3 7 4 52.80 5.25 1.7339 -7 1 2 4 53.14 4.03 1.7236 -3 2 10 4 53.48 8.29 1.7133 -5 2 10 4 53.53 2.43 1.7120 -4 0 12 2 53.61 1.39 1.7094 0 3 6 4 53.77 1.05 1.7049 -4 3 7 4 54.04 2.72 1.6968 -2 1 11 4 54.05 1.28 1.6967 -5 3 5 4 54.29 5.39 1.6897 0 0 10 2 54.32 1.61 1.6889 2 0 8 2 54.34 2.25 1.6883 2 3 4 4 54.65 1.91 1.6795 4 1 5 4 54.70 1.50 1.6779 -8 1 7 4 54.92 1.07 1.6719 -2 2 10 4 55.01 1.17 1.6694 -3 0 12 2 55.01 2.15 1.6692 -8 0 4 2 55.35 2.73 1.6597 -5 1 12 4 55.38 1.34 1.6589 -5 3 2 4 55.43 1.62 1.6575 -7 2 8 4 55.54 2.63 1.6547 -4 1 12 4 55.80 2.19 1.6475 5 0 4 2 55.86 1.61 1.6458 1 1 9 4 56.02 3.02 1.6415 4 2 4 4 56.15 1.68 1.6381 -4 3 8 4 56.28 1.29 1.6346 0 1 10 4 56.82 5.11 1.6203 -7 0 12 2 56.97 2.44 1.6164 -5 3 1 4 56.99 1.39 1.6160 -8 1 4 4 57.09 9.35 1.6133 0 4 0 2 57.36 3.43 1.6063 6 1 2 4 57.60 1.15 1.6002 3 1 7 4 57.91 6.10 1.5925 -1 2 10 4 58.48 1.39 1.5784 4 3 2 4 58.76 2.59 1.5715 -7 1 12 4 58.86 1.41 1.5691 -8 1 3 4 58.88 1.20 1.5685 -7 2 10 4 58.89 1.24 1.5681 -2 4 1 4 59.56 2.17 1.5521 2 4 0 4 59.65 1.25 1.5499 -8 1 11 4 59.90 3.61 1.5442 -9 0 8 2 60.27 1.09 1.5355 -1 4 4 4 60.85 1.19 1.5223 -6 3 8 4 60.89 2.90 1.5215 -8 2 8 4 61.23 2.95 1.5139 -6 3 2 4 61.58 2.67 1.5060 6 1 3 4 61.77 1.94 1.5018 -9 1 8 4 62.02 2.91 1.4963 2 2 8 4 62.57 1.42 1.4846 3 4 0 4 62.66 1.06 1.4827 -3 2 12 4 62.80 2.34 1.4797 -3 3 10 4 63.26 1.08 1.4700 3 3 5 4 63.78 4.14 1.4594 -2 4 6 4 63.78 1.32 1.4593 -7 3 6 4 64.06 2.37 1.4535 -7 3 7 4 64.11 1.73 1.4525 -4 4 2 4 65.36 1.04 1.4279 -4 4 6 4 65.41 1.66 1.4268 4 3 4 4 66.33 1.11 1.4092 3 4 2 4 66.64 1.24 1.4034 4 4 0 4 66.70 1.10 1.4022 -9 1 12 4 67.13 2.64 1.3943 -1 3 10 4 67.63 1.41 1.3853 -8 2 12 4 67.85 1.10 1.3813 -5 4 6 4 67.90 2.14 1.3805 -7 3 2 4 68.50 2.35 1.3697 3 2 8 4 68.92 1.15 1.3624 4 0 8 2 68.97 1.90 1.3615 -2 3 11 4 69.19 1.71 1.3578 -9 1 13 4 69.89 1.22 1.3459 -8 3 8 4 70.11 1.12 1.3421 -5 3 12 4 70.16 1.58 1.3414 -9 1 2 4 70.63 1.56 1.3336 -9 2 4 4 70.67 1.23 1.3330 4 1 8 4 71.88 2.32 1.3134 6 3 2 4 71.95 1.26 1.3123 -9 2 12 4 73.09 1.41 1.2946 2 2 10 4 73.12 1.17 1.2942 -7 3 12 4 73.73 1.07 1.2850 -1 5 1 4 74.91 1.01 1.2677 -10 0 14 2 75.09 2.40 1.2651 -3 4 10 4 77.23 1.10 1.2353 -9 2 14 4 77.83 1.41 1.2273 1 4 8 4 79.34 1.11 1.2077 -2 5 6 4 79.84 1.59 1.2014 -7 4 2 4 82.71 1.24 1.1668 0 4 10 4 84.10 1.05 1.1510 4 3 8 4 84.81 1.65 1.1432 -7 4 12 4 88.53 1.19 1.1045 8 3 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.