What is a crystal structure in chemistry? In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystalline material. The lengths of the principal axes, or edges, of the unit cell and the angles between them are the lattice constants, also called lattice parameters or cell parameters. The ordered arrangement of atoms, molecules or ions in a three-dimensional space showing a definite pattern can be defined as a crystal lattice. A crystalline solid has a geometrical configuration where the atoms or molecules are placed as points in a three-dimensional space. A great example of the importance of crystal structure is the difference between two minerals; graphite and diamond. This shows us that it is not only important to know what elements are in the mineral, but it is also very important to know how those elements are stacked together.

Ridhi Kumari

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