#Zinc ammine bromide, Zn(NH3)2Br2 #Orthorhombic, Imam (74), Z=4. The structure was #determined by MacGillavry and Bijvoet [1936]. #NBS lattice constants: a = 8.419(1), b = 8.816(1), c = 8.122(1) 6.08 5.973 4.410 4.209 4.062 3.521 3.441 3.377 3.044 2.986 2.922 2.773 2.764 2.436 2.309 2.292 2.272 2.225 2.205 2.105 2.062 2.030 1.986 1.953 1.937 1.926