NaY9(SiO4)6O2 Gunawardane R P, Howie R A, Glasser F P Acta Crystallographica B38 (1982) 1564-1566 Structure of the oxyapatite NaY9(SiO4)6O2 Note: apatite structure _database_code_amcsd 0009765 CELL PARAMETERS: 9.3340 9.3340 6.7590 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 509.975 Density (g/cm3): 4.583 MAX. ABS. INTENSITY / VOLUME**2: 50.36962400 RIR: 3.579 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.99 20.33 4.0417 2 0 0 6 23.16 9.90 3.8404 1 1 1 12 26.37 19.23 3.3795 0 0 2 2 28.63 26.50 3.1180 1 0 2 12 29.23 18.08 3.0553 1 2 0 6 29.23 9.26 3.0553 2 1 0 6 32.15 62.09 2.7840 1 2 1 12 32.15 37.91 2.7840 2 1 1 12 32.72 39.62 2.7372 1 1 2 12 33.25 28.53 2.6945 3 0 0 6 34.60 5.19 2.5926 2 0 2 12 35.88 1.22 2.5029 3 0 1 12 39.77 1.87 2.2664 2 1 2 12 40.22 2.10 2.2420 1 3 0 6 40.22 4.94 2.2420 3 1 0 6 40.91 4.92 2.2057 2 2 1 12 42.48 1.94 2.1279 1 3 1 12 42.93 3.43 2.1068 3 0 2 12 44.66 7.79 2.0289 1 1 3 12 44.85 4.39 2.0209 4 0 0 6 46.13 1.36 1.9679 2 0 3 12 47.34 26.98 1.9202 2 2 2 12 48.74 4.98 1.8682 1 3 2 12 48.74 5.91 1.8682 3 1 2 12 49.13 3.03 1.8545 3 2 0 6 50.32 19.76 1.8133 1 2 3 12 50.32 11.89 1.8133 2 1 3 12 51.07 7.74 1.7884 2 3 1 12 51.07 7.29 1.7884 3 2 1 12 51.83 10.20 1.7640 4 1 0 6 51.83 8.41 1.7640 1 4 0 6 52.78 21.80 1.7344 4 0 2 12 54.29 12.36 1.6897 0 0 4 2 56.61 2.38 1.6258 2 3 2 12 56.96 1.29 1.6167 5 0 0 6 59.27 1.47 1.5590 2 0 4 12 60.62 1.15 1.5276 2 4 0 6 60.62 3.28 1.5276 4 2 0 6 61.13 8.36 1.5160 3 3 1 12 62.85 3.52 1.4787 2 1 4 12 62.85 2.96 1.4787 1 2 4 12 63.82 12.53 1.4584 5 0 2 12 65.15 4.44 1.4318 2 3 3 12 65.15 1.55 1.4318 3 2 3 12 65.17 5.79 1.4315 3 0 4 12 65.79 2.96 1.4195 1 5 1 12 65.79 1.04 1.4195 5 1 1 12 66.12 5.06 1.4131 3 3 2 12 70.61 1.07 1.3340 5 1 2 12 72.49 2.29 1.3040 3 4 1 12 72.98 1.91 1.2963 4 0 4 12 73.11 1.02 1.2944 2 5 0 6 74.06 2.47 1.2801 3 3 3 12 74.66 2.26 1.2713 2 5 1 12 74.66 1.52 1.2713 5 2 1 12 76.05 1.78 1.2515 6 0 2 12 76.23 1.17 1.2490 3 2 4 12 77.16 2.35 1.2362 2 1 5 12 77.16 3.92 1.2362 1 2 5 12 77.42 1.45 1.2327 1 6 0 6 77.42 1.62 1.2327 6 1 0 6 78.35 1.74 1.2204 1 5 3 12 78.36 5.79 1.2202 4 1 4 12 78.36 4.26 1.2202 1 4 4 12 78.94 1.90 1.2127 1 6 1 12 78.94 1.82 1.2127 6 1 1 12 79.25 2.47 1.2088 2 5 2 12 79.25 5.25 1.2088 5 2 2 12 82.59 1.35 1.1681 5 0 4 12 82.71 1.00 1.1667 4 4 0 6 84.68 1.97 1.1446 3 4 3 12 85.74 1.86 1.1332 4 2 4 12 85.74 1.52 1.1332 2 4 4 12 86.77 1.54 1.1224 2 5 3 12 86.77 1.04 1.1224 5 2 3 12 87.41 1.13 1.1157 1 0 6 12 88.87 1.03 1.1012 1 5 4 12 89.50 2.95 1.0951 1 1 6 12 89.78 1.60 1.0924 3 2 5 12 89.78 1.10 1.0924 2 3 5 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.