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volume occupied

Hi there how can it be proven that in a simple cubic the volum occupied is 52%, bcc 68%, is there a possible way to prove that like in the bcc 68% is occupied by the atoms, maybe mathematically ?

Or any other way ? thanks

Simple geometry.

Calculations of it are all over the net, just search for e.g.

Unit cell packing efficiency

Discussion Title: volume occupied
Title Keywords: volume  occupied 



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