Na1.55K.45Si2O5 Rakic S, Kahlenberg V European Journal of Mineralogy 13 (2001) 1215-1221 The crystal structure of a mixed alkali phyllosilicate with composition Na1.55K0.45Si2O5 _database_code_amcsd 0006920 CELL PARAMETERS: 4.8450 8.6470 11.9920 90.000 90.310 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 502.394 Density (g/cm3): 2.504 MAX. ABS. INTENSITY / VOLUME**2: 5.445565216 RIR: 0.708 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.77 26.57 5.9959 0 0 2 2 18.00 7.99 4.9272 0 1 2 4 20.54 8.53 4.3235 0 2 0 2 21.02 30.38 4.2267 1 1 0 4 21.85 100.00 4.0672 0 2 1 4 22.27 5.02 3.9922 -1 1 1 4 22.33 15.79 3.9804 1 1 1 4 23.55 46.44 3.7784 -1 0 2 2 23.67 36.57 3.7585 1 0 2 2 24.53 1.26 3.6283 0 1 3 4 25.40 16.73 3.5069 0 2 2 4 25.73 29.58 3.4623 -1 1 2 4 25.85 3.26 3.4470 1 1 2 4 27.65 8.71 3.2258 1 2 0 4 28.63 12.98 3.1179 -1 2 1 4 28.68 2.65 3.1123 1 2 1 4 29.80 32.60 2.9980 0 0 4 2 30.46 1.86 2.9351 0 2 3 4 30.71 7.86 2.9111 -1 1 3 4 30.86 49.21 2.8974 1 1 3 4 31.44 2.76 2.8451 -1 2 2 4 31.54 10.49 2.8365 1 2 2 4 31.59 49.66 2.8325 0 1 4 4 31.93 42.56 2.8025 0 3 1 4 34.53 12.33 2.5978 0 3 2 4 35.12 4.43 2.5556 -1 0 4 2 35.70 19.72 2.5148 -1 2 3 4 35.83 13.41 2.5059 1 2 3 4 36.27 4.04 2.4771 1 3 0 4 36.47 2.99 2.4636 0 2 4 4 36.67 4.92 2.4508 -1 1 4 4 36.84 1.37 2.4399 1 1 4 4 37.04 10.26 2.4272 -1 3 1 4 37.08 7.23 2.4246 1 3 1 4 37.11 87.43 2.4225 2 0 0 2 38.51 3.68 2.3379 0 3 3 4 38.97 1.46 2.3111 0 1 5 4 40.07 1.29 2.2503 -2 0 2 2 41.03 4.51 2.2000 -1 2 4 4 41.79 11.99 2.1618 0 4 0 2 42.49 4.58 2.1275 0 4 1 4 42.90 3.05 2.1082 -1 3 3 4 43.01 11.82 2.1030 1 3 3 4 43.29 8.47 2.0902 -1 1 5 4 43.44 1.56 2.0830 -2 2 1 4 43.52 2.29 2.0796 2 2 1 4 43.56 8.87 2.0778 0 3 4 4 44.55 10.60 2.0336 0 4 2 4 45.10 1.56 2.0101 2 1 3 4 45.58 2.16 1.9902 2 2 2 4 45.97 2.25 1.9742 1 4 0 4 46.64 3.53 1.9472 1 4 1 4 47.31 3.05 1.9214 1 2 5 4 47.55 1.37 1.9122 -1 3 4 4 48.17 2.36 1.8892 -2 0 4 2 48.44 3.99 1.8793 2 0 4 2 48.52 1.16 1.8764 -1 4 2 4 48.59 1.46 1.8739 1 4 2 4 48.64 2.01 1.8720 -2 2 3 4 48.84 1.81 1.8647 2 2 3 4 49.22 9.26 1.8511 -1 0 6 2 49.38 8.21 1.8457 -2 1 4 4 49.44 10.34 1.8436 0 3 5 4 49.64 4.54 1.8364 2 1 4 4 49.72 7.29 1.8338 -2 3 1 4 49.78 5.94 1.8315 2 3 1 4 50.29 4.39 1.8142 0 2 6 4 51.52 1.67 1.7737 -2 3 2 4 51.65 7.42 1.7696 2 3 2 4 51.69 1.18 1.7685 1 4 3 4 53.08 1.71 1.7255 -1 3 5 4 53.14 2.00 1.7235 2 2 4 4 53.54 2.10 1.7117 0 5 1 4 54.61 4.47 1.6805 0 1 7 4 55.28 2.32 1.6617 0 5 2 4 55.69 2.53 1.6505 -1 4 4 4 55.99 2.59 1.6424 0 3 6 4 56.50 1.57 1.6287 1 5 0 4 57.11 4.89 1.6129 2 4 0 4 57.38 7.24 1.6057 0 4 5 4 57.90 1.33 1.5926 0 2 7 4 57.99 3.20 1.5903 -1 1 7 4 58.20 6.70 1.5851 1 1 7 4 58.41 1.93 1.5801 -2 3 4 4 58.64 1.19 1.5742 2 3 4 4 58.71 3.70 1.5725 -1 5 2 4 58.77 1.86 1.5711 1 5 2 4 59.17 2.02 1.5615 -3 0 2 2 59.27 4.10 1.5590 -2 4 2 4 59.34 1.46 1.5573 3 0 2 2 59.39 4.24 1.5561 2 4 2 4 60.18 1.08 1.5376 2 0 6 2 60.22 2.56 1.5367 -3 1 2 4 61.23 1.01 1.5138 2 1 6 4 61.27 2.26 1.5129 3 2 0 4 61.37 1.22 1.5107 1 2 7 4 61.77 1.30 1.5019 -3 2 1 4 61.90 2.00 1.4990 0 0 8 2 61.94 3.90 1.4980 0 5 4 4 63.13 7.74 1.4727 3 1 3 4 63.26 4.03 1.4700 -2 3 5 4 63.32 1.49 1.4687 -3 2 2 4 63.49 2.42 1.4651 3 2 2 4 64.30 2.02 1.4487 2 2 6 4 64.68 1.58 1.4412 0 6 0 2 65.20 1.54 1.4309 0 6 1 4 65.50 1.57 1.4250 -3 0 4 2 65.90 3.58 1.4173 -3 2 3 4 66.15 1.97 1.4126 3 2 3 4 66.25 7.52 1.4108 -1 3 7 4 66.44 4.87 1.4072 1 3 7 4 66.50 1.09 1.4061 -3 1 4 4 66.76 1.19 1.4013 0 6 2 4 66.82 2.01 1.4000 -3 3 1 4 66.83 1.22 1.3999 3 1 4 4 66.90 1.53 1.3985 3 3 1 4 66.96 3.77 1.3974 2 5 1 4 67.69 1.04 1.3842 -2 1 7 4 68.07 2.80 1.3773 2 1 7 4 68.34 4.60 1.3725 -1 6 1 4 68.93 1.51 1.3622 -2 3 6 4 68.99 2.84 1.3613 -1 2 8 4 69.21 2.33 1.3575 1 2 8 4 69.26 1.44 1.3566 2 3 6 4 69.73 1.80 1.3486 -1 5 5 4 69.85 1.43 1.3465 -1 6 2 4 69.87 2.36 1.3463 1 5 5 4 69.91 2.15 1.3456 1 6 2 4 70.08 1.67 1.3426 0 4 7 4 70.47 3.78 1.3362 2 4 5 4 71.03 1.33 1.3270 -3 1 5 4 71.05 1.17 1.3268 3 3 3 4 71.66 1.78 1.3169 0 1 9 4 73.15 1.04 1.2938 3 4 0 4 73.68 1.34 1.2857 3 4 1 4 74.22 1.72 1.2778 -2 0 8 2 74.36 1.13 1.2756 -2 5 4 4 74.52 1.56 1.2733 0 2 9 4 74.57 1.07 1.2726 2 5 4 4 74.58 1.43 1.2725 -1 1 9 4 74.81 1.01 1.2691 1 1 9 4 75.20 1.34 1.2636 3 4 2 4 75.48 2.54 1.2595 -3 0 6 2 76.99 1.44 1.2386 2 6 0 4 77.71 1.18 1.2288 0 7 1 4 79.06 1.57 1.2112 4 0 0 2 80.12 1.39 1.1978 -1 6 5 4 80.55 1.25 1.1926 1 4 8 4 83.18 3.55 1.1613 3 1 7 4 83.39 1.84 1.1590 -3 5 2 4 83.80 1.16 1.1544 2 1 9 4 84.53 1.47 1.1463 1 7 3 4 85.36 2.77 1.1372 -1 6 6 4 85.52 1.81 1.1355 1 6 6 4 86.08 1.17 1.1295 -2 2 9 4 88.43 1.56 1.1055 -1 4 9 4 88.65 1.46 1.1033 1 4 9 4 89.95 2.77 1.0907 -3 3 7 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.