Calcium titanate crystallizes in a cubic unit cell with titanium atoms at the corners of the cell, oxygen atoms in the middle of the faces of the cell, and a calcium atom in the center of the cell. What is the formula of calcium titanate?

Question

Quizplus · Accepted Answer

In the cubic unit cell, the titanium atoms at the corners contribute 1/8 each, totaling 1 Ti atom. The oxygen atoms on the faces contribute 1/2 each, totaling 3 O atoms. The calcium atom in the center contributes 1 Ca atom. Thus, the formula is CaTiO₃.

Calcium Titanate Crystallizes in a Cubic Unit Cell with Titanium