Cesium bromide packs into a regular pattern in a three dimensional lattice. The unit cell is the smallest repeating unit of an ionic packing structure. Assume the edge length of the CsBr unit cell is 4.39 angstroms. Calculate the volume of this unit cell in cm3. Remember, there are 1.00x10 Å per 1.00 cm.

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Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.