Tellurium tetrachloride

Tellurium tetrachloride
Names
	IUPAC names Tellurium(IV) chloride; Tetratellurium hexadecachloride
	Other names Tellurium chloride
Identifiers
CAS Number	10026-07-0 ;
3D model (JSmol)	monomer: Interactive image; tetramer: Interactive image;
ChemSpider	55367 ;
ECHA InfoCard	100.030.038
PubChem CID	61443;
UNII	DNY2R5498H ;
CompTox Dashboard (EPA)	DTXSID1064904 ;
	InChI InChI=1S/Cl4Te/c1-5(2,3)4 Key: SWLJJEFSPJCUBD-UHFFFAOYSA-N ; InChI=1/Cl4Te/c1-5(2,3)4 Key: SWLJJEFSPJCUBD-UHFFFAOYAL;
	SMILES 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
Chemical formula	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
Crystal structure	Monoclinic, mS80
Space group	C12/c1, No. 15
Coordination geometry	Distorted octahedral (Te)
Molecular shape	Seesaw (gas phase)
Dipole moment	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). verify (what is ?) Infobox references

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]

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

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

[1]

Names

IUPAC names Tellurium(IV) chloride Tetratellurium hexadecachloride
Other names Tellurium chloride
Identifiers
CAS Number	10026-07-0^N
3D model (JSmol)	monomer: Interactive image tetramer: Interactive image
ChemSpider	55367^Y
ECHA InfoCard	100.030.038
PubChem CID	61443
UNII	DNY2R5498H^N
CompTox Dashboard (EPA)	DTXSID1064904
InChI 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
SMILES 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
Chemical formula	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
Crystal structure	Monoclinic, mS80
Space group	C12/c1, No. 15
Coordination geometry	Distorted octahedral (Te)
Molecular shape	Seesaw (gas phase)
Dipole moment	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). N verify (what is ^YN ?) Infobox references

Tellurium tetrachloride

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