#Ammonium Sulfate, (NH4)2S203 #Monoclinic, C2/m (12), Z = 4. The structure was determined by Brunt [1946]. A line at #26 = 23.06 with 1=4, could not be indexed. Lattice constants of this sample #a = 10.2233(15), b = 6.4956(9), c = 8.8074(10), beta = 94.66(1) #a/b = 1.5739, c/b = 1.3559 #Volume 582.93 A 3 5.480 5.093 4.741 4.553 4.386 4.257 3.501 3.469 3.353 3.248 3.199 3.046 3.010 2.925 2.915 2.785 2.739 2.629 2.612 2.582 2.569 2.547 2.536 2.500 2.453 2.402 2.395 2.371 2.286 2.280 2.195 2.178 2.129 2.118