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| CAS No.: | 12166-29-9 |
|---|---|
| Name: | Scandium sulfide |
| Molecular Structure: | |
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| Formula: | S3Sc2 |
| Molecular Weight: | 186.11 |
| Synonyms: | Discandium trisulphide;Scandium sulfide (Sc2S3);scandium(+3) cation trisulfide; |
| EINECS: | 235-320-1 |
| Density: | 2.910 |
| Melting Point: | 1775°C |
| PSA: | 89.48000 |
| LogP: | 1.94460 |
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Specification
The Scandium sulfide, with the CAS registry number of 12166-29-9, is also known as Discandium trisulphide. Its EINECS registry number is 235-320-1. This chemical's molecular formula is S3Sc2 and molecular weight is 186.11. What's more, its IUPAC name is Scandium(3+) trisulfide. The crystal structure of Scandium sulfide 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, Scandium sulfide has one third of them vacant.
Physical properties about Scandium sulfide are: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 3; (3)Rotatable Bond Count: 0; (4)Exact Mass: 185.828032; (5)MonoIsotopic Mass: 185.828032; (6)Topological Polar Surface Area: 3; (7)Heavy Atom Count: 5; (8)Formal Charge: 0; (9)Complexity: 0; (10)Isotope Atom Count: 0; (11)Defined Atom StereoCenter Count: 0; (12)Undefined Atom StereoCenter Count: 0; (13)Defined Bond StereoCenter Count: 0; (14)Undefined Bond StereoCenter Count: 0; (15)Covalently-Bonded Unit Count: 5.
Preparation of Scandium sulfide: The normal way to make metal sulfides is simply to mix the two elements and heat them, but in the case of scandium, this method yields Scandium monosulfide, ScS. Sc2S3 can be prepared by heating Scandium(III) oxide and Hydrogen sulfide in a graphite crucible to 1550 °C or above for 2–3 hours.
Sc2O3 + 3H2S → Sc2S3 + 3H2O
You can still convert the following datas into molecular structure:
(1) SMILES: [Sc+3].[Sc+3].[S-2].[S-2].[S-2]
(2) InChI: InChI=1/3S.2Sc/q3*-2;2*+3
(3) InChIKey: KAYAWNAUDDJSHN-UHFFFAOYAL