Tveitite-(Y) Bevan D J M, Strahle J, Greis O Journal of Solid State Chemistry 44 (1982) 75-81 The crystal structure of tveitite, an ordered yttrofluorite mineral Note: a and b adjusted to match reported bond lengths _database_code_amcsd 0013486 CELL PARAMETERS: 16.9620 16.9620 9.6664 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2408.516 Density (g/cm3): 3.870 MAX. ABS. INTENSITY / VOLUME**2: 33.78942943 RIR: 2.843 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.43 10.89 8.4810 1 1 0 6 10.96 10.38 8.0749 1 0 1 6 18.12 8.37 4.8965 3 0 0 6 18.43 9.03 4.8145 2 1 1 6 19.33 7.78 4.5911 0 1 2 6 20.95 6.01 4.2405 2 2 0 6 22.02 1.74 4.0375 2 0 2 6 23.70 2.07 3.7543 1 3 1 6 23.70 3.12 3.7543 -1 4 1 6 24.42 3.06 3.6454 -1 3 2 6 27.69 34.44 3.2221 0 0 3 2 28.04 4.20 3.1822 5 -2 1 6 28.04 95.80 3.1822 3 2 1 6 28.66 4.42 3.1151 4 -1 2 6 29.66 1.09 3.0121 2 -1 3 6 30.57 2.63 2.9241 0 4 2 6 32.39 20.80 2.7644 -2 5 2 6 33.59 1.79 2.6682 -2 6 1 6 34.97 2.26 2.5655 4 -2 3 6 37.36 3.40 2.4072 6 -2 2 6 37.36 1.15 2.4072 4 2 2 6 38.42 1.69 2.3429 4 3 1 6 38.89 2.23 2.3158 -1 6 2 6 39.66 1.32 2.2725 -1 5 3 6 40.72 1.03 2.2158 2 1 4 6 41.81 1.42 2.1603 3 4 2 6 41.81 4.56 2.1603 -3 7 2 6 42.54 3.76 2.1250 6 -3 3 6 43.54 1.41 2.0785 -1 4 4 6 44.16 2.40 2.0507 3 5 1 6 44.58 2.69 2.0324 7 -1 2 6 44.90 1.04 2.0187 4 0 4 6 45.51 2.58 1.9933 6 2 1 6 46.23 1.60 1.9639 5 -2 4 6 46.23 59.94 1.9639 3 2 4 6 46.59 1.07 1.9494 0 6 3 6 46.59 1.25 1.9494 6 0 3 6 46.68 62.83 1.9457 1 7 0 6 47.22 2.89 1.9249 0 7 2 6 47.22 1.00 1.9249 8 -3 2 6 47.22 3.25 1.9249 5 3 2 6 47.43 3.86 1.9168 0 1 5 6 48.80 1.25 1.8663 0 5 4 6 49.36 2.63 1.8462 5 4 1 6 49.36 1.20 1.8462 9 -4 1 6 52.19 1.02 1.7528 4 5 2 6 52.38 1.25 1.7466 4 -1 5 6 53.38 1.14 1.7165 8 0 2 6 53.57 1.08 1.7107 0 4 5 6 54.74 16.36 1.6769 -2 5 5 6 55.14 14.74 1.6656 8 -1 3 6 55.14 14.48 1.6656 1 7 3 6 55.34 13.71 1.6600 -4 10 1 6 57.96 2.64 1.5911 6 4 2 6 61.58 1.56 1.5060 2 2 6 6 62.58 1.25 1.4843 5 4 4 6 63.57 1.04 1.4636 7 -1 5 6 65.67 1.09 1.4219 0 7 5 6 67.80 12.69 1.3822 -4 10 4 6 74.22 4.18 1.2778 3 2 7 6 74.73 4.99 1.2702 6 4 5 6 75.25 4.21 1.2628 4 9 1 6 75.25 4.06 1.2628 11 1 1 6 85.34 6.10 1.1374 -2 5 8 6 86.34 5.42 1.1268 4 9 4 6 86.34 5.56 1.1268 11 1 4 6 86.67 1.94 1.1233 9 6 0 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.