Question
Download Solution PDFA compound of formula A2 B3 has the hcp lattice. Which atom forms the hcp lattice and what fraction of tetrahedral voids is occupied by the other atoms?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The total effective number of atoms in hcp unit lattice = Number of octahedral voids in hcp = 6
∴ Number of tetrahedral voids (TV) in hcp
= 2 × Number of atoms in hcp lattice
= 2 × 6 = 12
As the formula of the lattice is A2B3
Suppose, A B
⇒ 2, 3
So,
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