High Quality Content by WIKIPEDIA articles! Titanium disulfide is a golden yellow solid with high electrical conductivity. It belongs to a group of compounds called transition metal dichalcogenides, which are ionic compounds of a transition metal cation bonded to two Group 16 anions (usually sulfur, selenium or tellurium). It has a hexagonal close packed structure (hcp). Furthermore, the structure of titanium disulfide is analogous to Cadmium iodide (CdI2) structure, in which half of the octahedral holes are filled with a cation. Cadmium iodide structure is common of d-metal halides and d-metal chalcogenides. Additionally, titanium disulfide is a semimetal, meaning there is small overlap of the conduction band and valence band. The large scale structure is essential to understanding the properties of titanium disulfide. S-Ti-S sheets are formed through covalent bonds. The adjacent S-Ti-S sheets are bound together by van der Waals forces, which are relatively weak intermolecular...

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