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Jaenudin 1102
(IS)
(IS)
Since the earliest days of NMR, it has been recognized that the technique can provide information on matters concerning the disposition of atoms in the unit cells of crystals. Thus, the distance between protons in the water molecules of gypsum, CaS04 . 2H2O, was determined by Pake and reported as 1.58 A in 1948. However, the term NMR crystallography has only recently come into common usage, and…