Tellurium tetrachloride

Tellurium tetrachloride
Tellurium tetrachloride
Names
IUPAC names
Tellurium(IV) chloride
Tetratellurium hexadecachloride
Other names
Tellurium chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.038 Edit this at Wikidata
UNII
  • InChI=1S/Cl4Te/c1-5(2,3)4 checkY
    Key: SWLJJEFSPJCUBD-UHFFFAOYSA-N checkY
  • InChI=1/Cl4Te/c1-5(2,3)4
    Key: SWLJJEFSPJCUBD-UHFFFAOYAL
  • monomer: Cl[Te](Cl)(Cl)Cl
  • tetramer: [Cl+2]12[Te-2](Cl)(Cl)(Cl)3[Cl+2]4[Te-2](Cl)(Cl)(Cl)1[Cl+2]5[Te-2](Cl)(Cl)(Cl)2[Cl+2]3[Te-2]45(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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Tellurium tetrachloride is the inorganic compound with the empirical formula TeCl4. The compound is volatile, subliming at 200 °C at 0.1 mmHg.[1] Molten TeCl4 is ionic, dissociating into TeCl3+ and Te2Cl102−.[1]

  1. ^ a b Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.