Sal ammoniac Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R061022 Sirdeshmukh D B, Deshpande V T Acta Crystallographica A26 (1970) 295-295 X-ray measurement of the thermal expansion of ammonium chloride Locality: synthetic Sample: T = 31.5 C CELL PARAMETERS: 3.877100 3.877100 3.877100 90.00000 90.00000 90.00000 SPACE GROUP: Pm-3m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 22.97 25.93 3.8766 1 0 0 32.68 100.00 2.7412 1 1 0 40.30 6.52 2.2382 1 1 1 46.88 14.09 1.9383 2 0 0 52.80 8.00 1.7337 2 1 0 58.29 24.65 1.5826 2 1 1 68.43 6.76 1.3706 2 2 0 73.23 2.75 1.2922 2 2 1 77.90 8.65 1.2259 3 1 0 82.49 1.96 1.1688 3 1 1 87.04 2.09 1.1191 2 2 2 87.04 2.09 1.1191 2 2 2 XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.