Niobium(IV) chloride

Niobium(IV) chloride
Names
IUPAC name
Niobium(IV) chloride
Other names
Niobium tetrachloride
Niobium chloride
Identifiers
Properties
NbCl4
Molar mass 234.718 g/mol
Appearance Violet-Black Crystals
Density 3.2 g/cm3
Melting point Dec. 800 °C
Boiling point Subl. 275 °C/10−4 mmHg
Reacts
Related compounds
Other anions
 Niobium(IV) bromide
Niobium(IV) iodide
Other cations
 Vanadium(IV) chloride
Tantalum(IV) chloride
Related niobium chlorides [1]
 Niobium(III) chloride
Niobium(V) 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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Niobium(IV) chloride, also known as niobium tetrachloride, is the chemical compound of formula NbCl4. This compound exists as dark violet crystals, is highly sensitive to air and moisture, and disproportiates into niobium(III) chloride and niobium(V) chloride when heated.[2]

  1. ^ CRC, Handbook of Chemistry and Physics, 89th Ed., 2008/09, editor D. Lide, Cleveland, OH: CRC Press, p. 4-36.
  2. ^ Macintyre, J.E.; Daniel, F.M.; Chapman and Hall; Stirling, V.M. Dictionary of Inorganic Compounds. 1992, Cleveland, OH: CRC Press, p. 2957