Tungsten(VI) oxytetrachloride

Tungsten(VI) oxytetrachloride

Chembox new
Name = Tungsten(VI) oxytetrachloride
ImageFile = WOCl4.png ImageSize = 160px
ImageName = Tungsten oxytetrachloride
OtherNames =
Section1 = Chembox Identifiers
CASNo = 13520-78-0

Section2 = Chembox Properties
Formula = WOCl4
MolarMass = 341.65 g/mol
Appearance = red crystals
Density = 11.92 g/cm³, solid
MeltingPt = 211 °C
BoilingPt = 227.55 °C
Solubility = reacts

Section3 = Chembox Structure
CrystalStruct =

Solubility
reacts with water
soluble in benzene, CS2
-
Heat of fusion
131.714 J/g
-
Heat of vaporization
198.449 J/g
-
Section7 = Chembox Hazards
EUClass = not listed

Tungsten(VI) oxytetrachloride is the inorganic compound with the formula WOCl4. This diamagnetic solid is used to prepare other complexes of tungsten. The orange-coloured compound is soluble in nonpolar solvents but it reacts with alcohols and water and forms adducts with Lewis bases. The solid consists of weakly associated square pyramidal monomers.

WOCl4 is prepared from tungsten trioxide: [cite journal | isbn = 0-471-81873-9 | author = Nielson, A. J. | title = Tungsten and Molybdenum Tetrachloride Oxides | journal = Inorg. Synth. | year = 1985 | volume = 23 | pages = 195-198] :WO3 + 2 SOCl2 → WOCl4 + 2 SO2

References


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