270287 VO Strukturchemie II (2007S)

Description and notation of structures; Nomenclature of structure types; Standardization of structures; Crystallochemical formulae; Determination of atom coordination; Structure changes under high pressures; Ionic compounds (the rules of Pauling and Bauer); Molecular structures, Intermetallics and packing of spheres (close packings, Hume-Rothery phases), Structures of nonmetals, Zintl phases (the gerneralized 8-N rule; Liking of polyhedra); Interstitial compounds (Hägg's rule); Coherent scattering from objects with disordered atom arrangement; Applications of the Debye formula; Coherent scattering of an object with ordered atom arrangement; Experimental X-ray techniques; Focusing methods in diffractometry; Rietveld refinement-powder diffraction; Structure determination from single crystals; Protein crystallography; Diffraction by helical structures.
The lecture is accompanied by a various exercises and training programs.
Prerequisites: Mathematics I, Physical Chemistry V.
Examination(IP): written or oral test.