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May28-10, 08:55 PM   #1
 

unit cell


Q.The unit cube length of LiCl (NaCl structure) is 5.14 amstrong . Assuming anion-anion contact, calculate the ionic radius for chloride ion.

How to assume anion-anion contact ? Can any one help with a 3D figure?
 
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May29-10, 07:35 AM   #2
 
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The NaCl structure is very easily found via an Internet search. Do you know which atom is the anion (i.e., how an anion is defined)?
 
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