SO3 Westrik R, MacGillavry C H Acta Crystallographica 7 (1954) 764-767 The crystal structure of the asbestos-like form of sulphur trioxide _database_code_amcsd 0009159 CELL PARAMETERS: 6.2000 4.0600 9.3100 90.000 109.830 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 220.455 Density (g/cm3): 2.412 MAX. ABS. INTENSITY / VOLUME**2: 11.24398358 RIR: 1.518 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.19 92.92 5.8324 1 0 0 2 20.28 100.00 4.3790 0 0 2 2 20.83 91.80 4.2647 -1 0 2 2 24.16 11.38 3.6835 0 1 1 4 26.72 64.15 3.3367 -1 1 1 4 26.75 2.90 3.3322 1 1 0 4 30.01 2.42 2.9772 0 1 2 4 30.50 75.16 2.9313 1 1 1 4 30.66 20.43 2.9162 2 0 0 2 36.47 16.50 2.4639 -2 1 1 4 36.93 22.47 2.4341 1 1 2 4 37.88 36.68 2.3751 -2 1 2 4 37.96 6.19 2.3702 0 1 3 4 41.23 1.11 2.1895 0 0 4 2 41.98 5.32 2.1522 -2 1 3 4 42.18 3.58 2.1425 2 1 1 4 42.39 1.27 2.1323 -2 0 4 2 42.69 3.61 2.1182 2 0 2 2 44.09 2.70 2.0540 -3 0 2 2 45.08 13.80 2.0111 1 1 3 4 47.16 1.48 1.9271 0 1 4 4 47.40 2.66 1.9181 -1 2 1 4 48.20 2.44 1.8878 -2 1 4 4 48.47 3.69 1.8780 2 1 2 4 49.49 3.96 1.8417 0 2 2 4 49.74 1.10 1.8329 -1 2 2 4 49.75 4.87 1.8328 -3 1 2 4 49.81 1.02 1.8307 1 2 1 4 51.97 3.31 1.7594 -3 1 3 4 54.23 2.29 1.6914 -1 2 3 4 54.42 1.60 1.6860 1 1 4 4 55.12 1.21 1.6661 2 2 0 4 56.30 2.62 1.6342 -3 1 4 4 56.60 1.66 1.6262 3 1 1 4 57.28 2.23 1.6083 0 1 5 4 58.19 1.08 1.5853 -2 2 3 4 60.54 10.29 1.5294 -1 2 4 4 60.92 4.73 1.5207 2 0 4 2 62.38 1.31 1.4886 0 2 4 4 62.43 3.12 1.4875 -3 1 5 4 63.25 1.00 1.4703 -2 2 4 4 63.47 5.11 1.4656 2 2 2 4 63.54 4.23 1.4642 -4 0 4 2 64.54 2.30 1.4438 -3 2 2 4 64.60 2.51 1.4427 -3 2 1 4 64.75 2.44 1.4398 1 1 5 4 65.39 1.33 1.4272 -4 1 1 4 66.44 1.20 1.4071 -3 2 3 4 66.60 6.77 1.4041 3 2 0 4 68.28 1.11 1.3736 0 1 6 4 68.40 1.03 1.3716 -1 2 5 4 68.56 1.67 1.3687 1 2 4 4 70.21 1.24 1.3406 -3 2 4 4 70.62 1.70 1.3338 3 1 3 4 71.79 1.52 1.3148 1 0 6 2 73.13 1.08 1.2940 4 1 1 4 74.81 1.32 1.2690 -4 0 6 2 75.63 1.14 1.2573 3 0 4 2 75.87 1.30 1.2540 -1 1 7 4 76.09 2.31 1.2509 3 2 2 4 76.86 1.53 1.2403 -2 3 1 4 77.14 1.12 1.2364 1 3 2 4 77.48 1.53 1.2319 -4 2 2 4 77.67 2.28 1.2293 -1 2 6 4 77.79 1.19 1.2278 0 3 3 4 78.27 3.53 1.2215 -2 2 6 4 78.80 1.22 1.2146 -5 0 4 2 79.30 2.04 1.2081 -3 1 7 4 80.30 1.03 1.1957 0 1 7 4 80.42 2.94 1.1942 -2 3 3 4 80.55 1.11 1.1925 2 3 1 4 81.23 1.77 1.1843 4 2 0 4 81.28 2.14 1.1837 -5 1 3 4 83.05 1.39 1.1629 -2 0 8 2 83.52 1.64 1.1575 2 0 6 2 84.08 1.40 1.1512 0 3 4 4 87.58 1.25 1.1140 -5 0 6 2 87.71 1.08 1.1127 4 1 3 4 89.53 1.06 1.0947 0 0 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.