Tantite Stephenson N C, Roth R S Journal of Solid State Chemistry 3 (1971) 145-153 The crystal structure of the high temperature form of Ta2O2 Locality: synthetic _database_code_amcsd 0013292 CELL PARAMETERS: 3.8100 3.8100 35.7640 90.000 90.000 90.000 SPACE GROUP: I2 X-RAY WAVELENGTH: 1.541838 Cell Volume: 519.154 Density (g/cm3): 8.375 MAX. ABS. INTENSITY / VOLUME**2: 218.4949120 RIR: 8.495 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 4.94 1.08 17.8820 0 0 2 2 9.89 3.16 8.9410 0 0 4 2 19.86 2.30 4.4705 0 0 8 2 23.48 27.53 3.7886 -1 0 1 2 23.48 15.85 3.7886 1 0 1 2 24.53 2.73 3.6292 -1 0 3 2 24.53 6.96 3.6292 1 0 3 2 24.53 90.32 3.6292 0 1 3 2 26.51 21.95 3.3627 1 0 5 2 26.51 18.52 3.3627 -1 0 5 2 29.24 7.34 3.0543 -1 0 7 2 29.24 8.46 3.0543 1 0 7 2 29.24 1.09 3.0543 0 1 7 2 29.98 46.76 2.9803 0 0 12 2 32.56 1.65 2.7502 1 0 9 2 32.56 35.36 2.7502 0 1 9 2 32.56 1.32 2.7502 -1 0 9 2 33.26 4.85 2.6941 1 1 0 2 34.78 20.94 2.5795 -1 1 4 2 34.78 16.45 2.5795 1 1 4 2 36.32 6.25 2.4732 -1 0 11 2 36.32 8.09 2.4732 1 0 11 2 39.04 17.64 2.3075 -1 1 8 2 39.04 21.58 2.3075 1 1 8 2 40.35 3.02 2.2352 0 0 16 2 40.44 2.37 2.2304 -1 0 13 2 40.44 1.54 2.2304 1 0 13 2 44.84 14.82 2.0211 0 1 15 2 44.84 1.08 2.0211 1 0 15 2 45.38 3.13 1.9986 -1 1 12 2 45.38 4.26 1.9986 1 1 12 2 47.74 18.26 1.9050 0 2 0 1 47.74 16.42 1.9050 2 0 0 2 49.49 5.91 1.8417 -1 0 17 2 49.49 5.43 1.8417 1 0 17 2 53.25 5.02 1.7202 -1 1 16 2 53.25 3.61 1.7202 1 1 16 2 53.87 2.85 1.7020 1 2 1 2 53.87 4.73 1.7020 -1 2 1 2 54.36 1.89 1.6876 0 1 19 2 54.36 1.16 1.6876 -1 0 19 2 54.39 1.22 1.6867 1 2 3 2 54.39 9.41 1.6867 -2 1 3 2 54.39 7.98 1.6867 2 1 3 2 55.43 5.33 1.6575 1 2 5 2 55.43 4.58 1.6575 -1 2 5 2 56.97 2.08 1.6164 1 2 7 2 56.97 2.00 1.6164 -1 2 7 2 57.41 14.40 1.6051 0 2 12 2 57.41 7.96 1.6051 -2 0 12 2 57.41 6.48 1.6051 2 0 12 2 58.98 4.82 1.5660 2 1 9 2 58.98 6.77 1.5660 -2 1 9 2 59.45 5.33 1.5548 0 1 21 2 61.44 2.74 1.5092 -1 2 11 2 61.44 3.54 1.5092 1 2 11 2 62.31 4.10 1.4902 0 0 24 2 62.32 8.57 1.4899 -1 1 20 2 62.32 8.93 1.4899 1 1 20 2 64.24 1.02 1.4499 0 2 16 2 64.31 1.24 1.4486 -1 2 13 2 64.75 2.16 1.4397 1 0 23 2 64.75 1.66 1.4397 -1 0 23 2 67.57 3.91 1.3863 -2 1 15 2 67.57 4.05 1.3863 2 1 15 2 69.82 9.07 1.3470 2 2 0 2 71.22 3.22 1.3241 -1 2 17 2 71.22 3.03 1.3241 1 2 17 2 74.80 1.02 1.2692 -3 0 1 2 75.25 3.20 1.2629 0 3 3 2 76.07 1.95 1.2511 0 1 27 2 77.81 4.70 1.2275 2 2 12 2 77.81 5.68 1.2275 -2 2 12 2 79.18 2.30 1.2097 0 3 9 2 79.59 2.39 1.2045 -2 1 21 2 79.59 1.99 1.2045 2 1 21 2 80.43 2.33 1.1940 -3 1 4 2 80.43 1.68 1.1940 -1 3 4 2 80.43 1.29 1.1940 1 3 4 2 80.43 1.12 1.1940 3 1 4 2 81.34 1.05 1.1830 3 0 11 2 82.11 1.74 1.1737 -2 0 24 2 82.11 3.22 1.1737 0 2 24 2 82.11 1.49 1.1737 2 0 24 2 83.01 1.81 1.1633 -1 3 8 2 83.01 2.56 1.1633 3 1 8 2 83.01 1.51 1.1633 -3 1 8 2 83.01 2.21 1.1633 1 3 8 2 84.32 1.39 1.1486 -1 2 23 2 84.32 1.80 1.1486 1 2 23 2 86.91 1.81 1.1209 0 3 15 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.