What is coordination no. in solid state?
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However the solid-state structures of crystals often have less clearly defined bonds, and in these cases a count of neighboring atoms is employed. ... The usual value of the coordination number for a given structure refers to an atom in the interior of a crystal lattice with neighbors in all directions.
In a unit cell, an atom's coordination number is the number of atoms it is touching. The hexagonal closest packed (hcp) has a coordination number of 12 and contains 6 atoms per unit cell. The face-centered cubic (fcc) has a coordination number of 12 and contains 4 atoms per unit cells.
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In a unit cell, an atom's coordination number is the number of atoms it is touching. The hexagonal closest packed (hcp) has a coordination number of 12 and contains 6 atoms per unit cell. The face-centered cubic (fcc) has a coordination number of 12 and contains 4 atoms per unit cells.
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