The number of octahedral voids per lattice site in a lattice is

Question:

The number of octahedral voids per lattice site in a lattice is _________________ .

(Rounded off to the nearest integer)

Solution:

(1)

Assuming FCC

No of lactice sites $=6$ face centre $+8$ corner $=14$

No. of octahedral voids $=13$

Ratio $=\frac{13}{14}=0.92857=1$ (Nearest integer)

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