CAS number : 12166-29-9
Molecular weight :186.11
Molecular formula/chemical symbol :Sc2S3
Description :
Appearance:yellow crystals
Density:2.91 g/cm, solid
Melting point:1775°C
USES :
Scandium(III) sulfide is a chemical compound of scandium and sulfurwith the chemical formula Sc2S3.
he crystal structure of Sc2S3 is closely related to that of sodium chloride, in that it is based on a cubic close packed array of anions. Whereas NaCl has all the octahedral interstices in the anion lattice occupied by cations, Sc2S3 has one third of them vacant. The vacancies are ordered, but in a very complicated pattern, leading to a large, orthorhombic unit cell belonging to the space group Fddd.
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