Find the unit cell (simple, bcc, fcc), type of holes where the smaller ions are found (tetrahedral, octrahedral, cubic), and number of cations and anions per unit cell for the following compounds:

Question

Find the unit cell (simple, bcc, fcc), type of holes where the smaller ions are found (tetrahedral, octrahedral, cubic), and number of cations and anions per unit cell for the following compounds:
 
CdSe      
CsI      
Li2O      
KBr      
NaCl      
ZnS(I)

DrBob222 · Answer

Wurtzite is zinc blende structure, ZnS.
http://64.233.169.104/search?q=cache:DcriWJTqvgwJ:lw.siena.edu/physics/qdots/Expt.%25205%2520X-ray%2520Diffraction%2520Measurements%2520on%2520Quantum%2520Dots.pdf+crystal+structure+CdSe&hl=en&ct=clnk&cd=5&gl=us&client=firefox-a

CsCl is the same type as CsI.
http://en.wikipedia.org/wiki/Caesium_chloride

http://www.webelements.com/webelements/compounds/text/Li/Li2O1-12057248.html

http://en.wikipedia.org/wiki/Sodium_chloride

(Broken Link Removed)