Tellurium tetrachloride

Tellurium tetrachloride is the inorganic compound with the empirical formula TeCl4. The compound is volatile, subliming at 200 °C at 0.1 mmHg. Molten TeCl4 is ionic, dissociating into TeCl3+ and Te2Cl102.

Tellurium tetrachloride
Names
IUPAC names
Tellurium(IV) chloride
Tetratellurium hexadecachloride
Other names
Tellurium chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.038
UNII
  • InChI=1S/Cl4Te/c1-5(2,3)4 Y
    Key: SWLJJEFSPJCUBD-UHFFFAOYSA-N Y
  • InChI=1/Cl4Te/c1-5(2,3)4
    Key: SWLJJEFSPJCUBD-UHFFFAOYAL
  • Cl[Te](Cl)(Cl)Cl
Properties
TeCl4
Molar mass 269.41 g/mol
Appearance hygroscopic pale yellow solid
(if fused, maroon liquid)
Density 3.26 g/cm3, solid
Melting point 224 °C (435 °F; 497 K)
Boiling point 380 °C (716 °F; 653 K)
Structure
Monoclinic, mS80
C12/c1, No. 15
Distorted octahedral (Te)
Seesaw (gas phase)
2.59 D (gas phase)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Toxic, corrosive,
respiratory irritant
Related compounds
Other anions
Tellurium tetrafluoride
Tellurium tetrabromide
Tellurium tetraiodide
Other cations
Selenium tetrachloride
Polonium tetrachloride
Related compounds
Tellurium dichloride
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
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