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The unit cell dimension of a particular ...

The unit cell dimension of a particular crystal system is `a=b=c, alpha=beta=gamma=90`, identifiy the crystal system.

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a. Rhombohedral .E g: CaC0_3, HgS.
w. No. of .M. per unit cell .=4. No: of A per unit cell =4
.No. of .B. per unit cell .=1 / 2 xx 8=4. Empirical formula .=M_t A_4 B_4=M A B.
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