Tschermigite Larson A C, Cromer D T Acta Crystallographica 22 (1967) 793-800 Refinement of the alum structures. III. X-ray study of the a alums, K, Rb and NH4Al(SO4)2*12H2O Locality: Synthetic _database_code_amcsd 0019048 CELL PARAMETERS: 12.2400 12.2400 12.2400 90.000 90.000 90.000 SPACE GROUP: Pa3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1833.767 Density (g/cm3): 1.721 MAX. ABS. INTENSITY / VOLUME**2: 5.366018216 RIR: 1.015 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.53 70.67 7.0668 1 1 1 8 14.47 3.53 6.1200 2 0 0 6 16.19 33.73 5.4739 2 1 0 12 17.75 22.09 4.9970 2 1 1 24 20.52 69.19 4.3275 2 2 0 12 21.78 65.71 4.0800 2 2 1 24 24.11 41.18 3.6905 3 1 1 24 26.25 1.78 3.3948 3 0 2 12 27.26 36.07 3.2713 3 2 1 24 27.26 63.93 3.2713 3 1 2 24 29.18 30.71 3.0600 4 0 0 6 30.10 18.22 2.9686 4 1 0 12 30.10 4.01 2.9686 3 2 2 24 31.00 20.25 2.8850 4 1 1 24 31.87 35.01 2.8080 3 3 1 24 32.72 8.62 2.7369 4 0 2 12 32.72 14.44 2.7369 4 2 0 12 33.55 1.36 2.6710 4 2 1 24 33.55 18.84 2.6710 4 1 2 24 34.37 16.61 2.6096 3 3 2 24 35.94 1.00 2.4985 4 2 2 24 37.47 5.72 2.4005 4 3 1 24 37.47 1.35 2.4005 4 1 3 24 38.21 14.66 2.3556 3 3 3 8 38.21 2.70 2.3556 5 1 1 24 39.65 3.84 2.2729 4 3 2 24 39.65 1.49 2.2729 4 2 3 24 40.36 1.12 2.2347 5 2 1 24 40.36 4.49 2.2347 5 1 2 24 42.42 6.21 2.1307 4 4 1 24 42.42 2.13 2.1307 5 2 2 24 43.09 4.30 2.0991 4 3 3 24 43.75 11.03 2.0689 5 1 3 24 44.41 3.89 2.0400 4 4 2 24 44.41 13.39 2.0400 6 0 0 6 45.05 10.19 2.0122 6 1 0 12 45.69 4.11 1.9856 6 1 1 24 45.69 8.30 1.9856 5 3 2 24 46.95 19.46 1.9353 6 0 2 12 46.95 3.51 1.9353 6 2 0 12 47.57 4.20 1.9116 6 1 2 24 48.18 1.16 1.8887 5 1 4 24 48.79 8.85 1.8666 5 3 3 24 49.99 5.60 1.8246 5 4 2 24 49.99 2.53 1.8246 5 2 4 24 50.58 8.08 1.8047 6 3 1 24 50.58 1.22 1.8047 6 1 3 24 52.89 3.78 1.7310 5 4 3 24 52.89 1.31 1.7310 5 3 4 24 53.46 12.55 1.7139 7 1 1 24 53.46 1.16 1.7139 5 5 1 24 54.02 5.61 1.6974 6 4 0 12 54.58 1.06 1.6813 6 4 1 24 55.14 2.85 1.6657 5 5 2 24 56.24 1.80 1.6356 6 4 2 24 56.24 2.38 1.6356 6 2 4 24 56.79 7.90 1.6212 7 2 2 24 56.79 1.71 1.6212 5 4 4 24 57.87 3.22 1.5935 7 3 1 24 57.87 2.34 1.5935 5 5 3 24 58.93 1.86 1.5672 6 5 0 12 59.46 2.09 1.5545 6 5 1 24 61.55 2.47 1.5066 7 1 4 24 62.58 5.06 1.4843 8 0 2 12 62.58 1.60 1.4843 8 2 0 12 63.09 2.13 1.4735 7 2 4 24 64.61 5.06 1.4425 6 6 0 12 65.61 2.12 1.4229 7 4 3 24 66.11 3.16 1.4134 7 1 5 24 66.61 1.49 1.4040 6 6 2 24 67.10 1.13 1.3949 6 5 4 24 68.57 1.11 1.3685 8 0 4 12 69.06 3.38 1.3600 8 4 1 24 71.00 2.97 1.3276 7 0 6 12 71.48 1.24 1.3199 7 6 1 24 71.48 2.04 1.3199 9 2 1 24 72.43 1.68 1.3048 6 6 4 24 72.91 1.15 1.2974 9 2 2 24 73.38 2.24 1.2902 8 1 5 24 74.80 1.75 1.2692 8 5 2 24 77.15 1.16 1.2364 9 4 1 24 77.61 2.10 1.2302 7 7 1 24 77.61 1.16 1.2302 7 5 5 24 79.93 3.02 1.2002 8 6 2 24 81.31 1.51 1.1833 7 7 3 24 81.77 1.11 1.1778 6 6 6 8 82.23 1.12 1.1724 8 6 3 24 82.69 1.12 1.1670 7 6 5 24 85.89 1.28 1.1316 10 4 1 24 88.16 2.00 1.1082 9 4 5 24 89.98 1.03 1.0904 9 6 3 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.