(NH3CH3)Al(SO4)2*12H2O Abdeen A M, Will G, Schaefer W, Kirfel A, Bargouth M O, Recker K, Weiss A Zeitschrift fur Kristallographie 157 (1981) 147-166 X-ray and neutron diffraction study of alums II. The crystal structure of methylammonium aluminium alum III. The crystal structure of ammonium aluminium alum Sample: X-ray data _database_code_amcsd 0010842 CELL PARAMETERS: 12.3220 12.3220 12.3220 90.000 90.000 90.000 SPACE GROUP: Pa3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1870.870 Density (g/cm3): 6.678 MAX. ABS. INTENSITY / VOLUME**2: 306.4706832 RIR: 14.944 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.38 100.00 6.1610 2 0 0 6 16.08 57.05 5.5106 2 1 0 12 17.63 8.86 5.0304 2 1 1 24 20.39 27.26 4.3565 2 2 0 12 21.64 9.38 4.1073 2 2 1 24 26.07 6.76 3.4175 3 0 2 12 27.08 4.10 3.2932 3 2 1 24 27.08 18.37 3.2932 3 1 2 24 28.99 9.53 3.0805 4 0 0 6 30.79 1.29 2.9043 4 1 1 24 32.50 4.81 2.7553 4 0 2 12 33.32 12.20 2.6889 4 1 2 24 34.13 7.63 2.6271 3 3 2 24 39.38 7.17 2.2881 4 3 2 24 40.08 5.12 2.2497 5 1 2 24 42.13 11.61 2.1450 4 4 1 24 42.79 1.53 2.1132 4 3 3 24 44.10 2.01 2.0537 6 0 0 6 45.37 3.53 1.9989 5 3 2 24 45.37 1.82 1.9989 5 2 3 24 46.62 10.81 1.9483 6 0 2 12 47.23 3.81 1.9244 6 2 1 24 47.23 3.95 1.9244 6 1 2 24 47.23 3.84 1.9244 4 4 3 24 49.04 2.76 1.8576 6 2 2 24 49.63 1.74 1.8369 5 4 2 24 51.95 1.43 1.7603 6 3 2 24 51.95 1.27 1.7603 6 2 3 24 53.64 2.37 1.7088 6 0 4 12 54.19 2.04 1.6926 6 1 4 24 55.83 3.29 1.6466 6 2 4 24 56.37 1.95 1.6321 7 2 2 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.