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This article presents a table of the crystal structure of allotropic forms of metallic elements in terms of the Pearson symbol, space group, and prototype of the structure. The temperatures of the phase transformations are listed in degree Celsius and the pressures are in GPa. The lattice parameters of the unit cells are given in nanometers. The compilation of the table is restricted to changes in crystal structure that occur as a result of a change in temperature or pressure.

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Crystal Structures and Lattice Parameters of Allotropes of the Metallic Elements, Alloy Phase Diagrams, Vol 3, ASM Handbook, Edited By H. Okamoto, M.E. Schlesinger, E.M. Mueller, ASM International, 2016, p 763–766,

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