Which of the following interstitial site is formed when the three closed packed spheres of one layer is put over three closed packed spheres of the second layer, their positions being inverted with re

Question

Which of the following interstitial site is formed when the three closed packed spheres of one layer is put over three closed packed spheres of the second layer, their positions being inverted with respect to each other?

Prashant Kotian · Accepted Answer

Correct answer: B. When a triangular void of one layer overlaps with an inverted triangular void of the adjacent layer, a void enclosed by six spheres is formed. This six-coordinate void is called an octahedral void. Therefore, correct answer is B.

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