Saturday 29 October 2016

solid state chemistry - How are the number of tetrahedral voids twice the number of octahedral voids in a CCP structure?


How are the number of tetrahedral voids twice the number of octahedral voids in a CCP structure? Is there some kind of mathematical proof for it? Is there some way I can understand this intuitively?


I have been trying to think about it using this picture but I cannot seem to get anywhere.


enter image description here




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