counting of number of void in crystalline solid state

by rajeshmarndi
Tags: counting, crystalline, number, solid, state, void
rajeshmarndi is offline
Apr4-12, 01:53 PM
P: 158
In a Solid state 3D close packed structures in crystalline solids.

How is this counting done?

Let the number of close packed spheres be N, then:
The number of octahedral voids generated = N
The number of tetrahedral voids generated = 2N

Plz give an example so that it would be understood straight.

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