SEARCH Articles Figures Tables Comparison of Interstitial Sites in the Metallic Lattices Eight-coordinate interstitial sites Five-coordinate interstitial sites Four-coordinate interstitial sites Hydrogen tetrahedral interstitial sites Interstitial Sites in the Face-Centered Cubic Lattice Interstitial Sites in the Hexagonal Close-Packed Lattice Octahedral interstitial site Site occupancy interstitial Sites normal/interstitial Six-coordinate interstitial sites Tetrahedral interstitial site Three-coordinate interstitial sites