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Tungsten(IV) chloride

Catalog Number
ACM13470138-1
Product Name
Tungsten(IV) chloride
Structure
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CAS
13470-13-8
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Synonyms
Tungsten tetrachloride
IUPAC Name
Tetrachlorotungsten
Molecular Weight
325.6
Molecular Formula
WCl4;Cl4W;
Canonical SMILES
Cl[W](Cl)(Cl)Cl
InChI
InChI=1S/4ClH.W/h4*1H;/q;+4/p-4
InChI Key
YOUIDGQAIILFBW-UHFFFAOYSA-J
Boiling Point
338.99 °C
Purity
99%+
Density
4.624 g/cm³
Appearance
Gray powder
Complexity
19.1
Covalently-Bonded Unit Count
1
Exact Mass
325.823394
Heavy Atom Count
5
Monoisotopic Mass
323.826344
Topological Polar Surface Area
0 Ų
Application
Tungsten(IV) chloride, WCl4, is a black diamagnetic solid with a polymeric structure, characterized by linear chains of tungsten atoms in octahedral geometry. It serves as a crucial precursor reactant in the preparation of highly conductive tungsten diselenide nanosheets. In this solid, each tungsten center is linked by six chloride ligands, four of which act as bridging ligands, resulting in alternating bonding and nonbonding tungsten-tungsten separations. Typically produced by reducing WCl6, WCl4 can be synthesized using various reductants such as red phosphorus, tungsten hexacarbonyl, gallium, tin, and optimally, antimony. This compound is sensitive to moisture and can decompose when heated, highlighting the need for careful handling during its use in advanced material synthesis.
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