crystal systems

ch411 chapter 4

CsCl

primitive cubic Cl-, Cs+ in all cubic holes

NaCl

face centered cubic Cl-, Na+ in all octahedral holes

zinc blende

face centered S2-, Zn2+ cations in half of tetrahedral holes

wurtzite

hexagonal close packed S2-, Zn2+ in half of tetrahedral holes

NiAs

distorted hexagonal close packed As2-, Ni2+ in all octahedral holes

fluorite

face centered cubic cations, anions in all tetrahedral holes

antifluorite

face centered cubic anions, cations in all tetrahedral holes

rutile

2 cations with octahedral geometry in body centered tetragonal array; anions in distorted trigonal planar geometry

anatase

same as two stacked NaCl cells, half of cations removed, many ions displaced; body centered tetragonal cations w/ two pairs of cations in faces

ReO3

primitive cubic Re, edge-centered O

diamond

covalent network solid, C only

perovskite

ABX3