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Unformatted text preview: 9. 3 octahedral holes present per anion 10. Tetrahedron hole Fraction of holes filled? 11. Yes, because Cs is completely within the unit cell and the chlorine is what is to be shared. 12. Cl atoms 13. Ca lies on lattice points, no atom in center, coordinate geometry: cations= cubic, anions= tetrahedral 14. Similar – coordinate geometry of anions are both tetrahedral Different – Coordinate geometry of cation, holes (zinc blende = tetrahedral, CaF=cubic), 4 Zn ions in unit cell, 1 F ion in unit cell 15. Geometry is Octahedron. Not considered body centered because there is more than 1 Ti ion in the Unit Cell....
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This note was uploaded on 03/30/2008 for the course CHEM 109 taught by Professor Keutsch during the Fall '07 term at University of Wisconsin.
- Fall '07