H4 I N Bartlett G, Langmuir I Journal of the American Chemical Society 43 (1921) 84-91 The Crystal Structure of the Ammonium Halides Above and Below the Transition Temperature _cod_database_code 1010075 _database_code_amcsd 0017009 CELL PARAMETERS: 7.1990 7.1990 7.1990 90.000 90.000 90.000 SPACE GROUP: Fm3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 373.092 Density (g/cm3): 2.508 MAX. ABS. INTENSITY / VOLUME**2: 86.38966765 RIR: 11.215 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.38 100.00 4.1563 1 1 1 8 24.73 84.96 3.5995 2 0 0 6 35.26 63.02 2.5452 2 2 0 12 41.61 49.87 2.1706 3 1 1 24 43.55 21.87 2.0782 2 2 2 8 50.73 9.93 1.7997 4 0 0 6 55.65 20.01 1.6516 3 3 1 24 57.23 26.30 1.6097 4 2 0 24 63.28 18.53 1.4695 4 2 2 24 67.62 10.46 1.3854 5 1 1 24 67.62 3.49 1.3854 3 3 3 8 74.57 5.29 1.2726 4 4 0 12 78.62 12.85 1.2169 5 3 1 48 79.96 8.46 1.1998 4 4 2 24 79.96 2.12 1.1998 6 0 0 6 85.26 7.02 1.1383 6 2 0 24 89.21 4.52 1.0978 5 3 3 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.