Answer to Question #106268 in Physical Chemistry for Roopali Jha

Physical Chemistry

Question #106268

A crystal has a=2,b=3 and c=3oA and α=β=γ=90o. What is the length of the longest diagonal?

Expert's answer

Unit cell is cuboid. The longest diagonal is the volume diagonal, its length is:

L = sqrt(a²+b²+c²) = sqrt(4+9+9) = sqrt(22) = 4.69 A

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