Relation between covalent radius and crystal radius
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Covalent radius is one half the distance between the nuclei of two covalently bonded atoms of the same element in a molecule.
rcovalent = 1/2(Internuclear distance between two bonded atoms)
ionic radius or crystal radius Half the distance between the ‘centres’ of two ions of the same element. Although no precise measurement can be made of the size of individual ions, in practice various techniques (e.g. X-ray diffraction) can be used to estimate ionic radii in particular crystal structures.
rcovalent = 1/2(Internuclear distance between two bonded atoms)
ionic radius or crystal radius Half the distance between the ‘centres’ of two ions of the same element. Although no precise measurement can be made of the size of individual ions, in practice various techniques (e.g. X-ray diffraction) can be used to estimate ionic radii in particular crystal structures.
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