Technetium(IV) chloride

Technetium(IV) chloride

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Names
IUPAC name Technetium(IV) chloride
Other names Technetium tetrachloride, Technetium chloride
Identifiers
CAS Number	14215-13-5 Y
Properties
Chemical formula	TcCl4
Molar mass	239.718 g/mol
Boiling point	300 °C (572 °F; 573 K)
Structure
Crystal structure	Orthorhombic, oP40
Space group	Pbca, No. 61
Lattice constant	a = 0.603 nm, b = 1.165 nm, c = 1.406 nm α = 90°, β = 90°, γ = 90°
Vapor pressure	{{{value}}}
Related compounds
Other anions	Technetium(VI) fluoride
Other cations	Manganese(II) chloride Rhenium(V) chloride Ruthenium(III) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Technetium(IV) chloride is the chemical compound composed of technetium and chlorine with the formula TcCl₄ which has been investigated as a method of separating technetium from other volatile chlorides. Colloidal solutions of technetium(IV) chloride are oxidized to form Tc(VII) ions when exposed to gamma rays.

Technetium trichloride

Technetium trichloride TcCl₃ was reported in 2010. It was prepared from ditechnetium(III) tetraacetate dichloride and HCl(g) at 300 °C as a black solid and consists of triangular Tc₃Cl₉ units with C_3V symmetry, with each Tc atom coordinated to two Tc neighbors and five chloride ligands (Tc-Tc bond length 2.44 angstrom).