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why number of octahedral voids is n and tetrahedral voids is 2n please explain and post if animations also available .

why number of octahedral voids is n and tetrahedral voids is 2n
please explain and post if animations also available .
 

Grade:12th Pass

2 Answers

Bhavya
askIITians Faculty 1281 Points
8 years ago
Dear student
Octahedral voids lie at edge centre and body centre.So their contribution per atom will be:-
O.V. = 12*1/4 (edge centre) + 1*1 (body centre)
= 3 +1
= 4
Tetrahedral voids are two at each body diagnol.Since we have four body diagnols therefore total no of voids are 8
Since these voids are lying inside the lattice therefore their contribution will be 1.505-1614_tetra and octa voids.jpg
Lakshmipathi
44 Points
7 years ago
It’s my Own question .Don’t think like that   , mind it.So, Firstly think about what you are Posting to others.

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