Vanadium(III) chloride

Vanadium(III) chloride

Anhydrous
Plan view of a single layer in the crystal structure of vanadium(III) chloride
Names
IUPAC names
Vanadium(III) chloride
Vanadium trichloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.859 Edit this at Wikidata
EC Number
  • 231-744-6
RTECS number
  • YW2800000
UN number 2475
  • InChI=1S/3ClH.V/h3*1H;/q;;;+3/p-3 checkY
    Key: HQYCOEXWFMFWLR-UHFFFAOYSA-K checkY
  • InChI=1/3ClH.V/h3*1H;/q;;;+3/p-3
    Key: HQYCOEXWFMFWLR-DFZHHIFOAB
  • anhydrous: Cl[V](Cl)Cl
  • hexahydrate: Cl[V-3](Cl)([OH2+])([OH2+])([OH2+])[OH2+].[Cl-].O.O
Properties
VCl3
Molar mass 157.30 g/mol
Appearance violet crystals (anhydrous)
green crystals (hexahydrate)[1]
Density 2.8 g/cm3 (anhydrous)
1.84 g/cm3 (hexahydrate)
Melting point 350 °C (662 °F; 623 K)[2] (decomposes, anhydrous)
soluble
+3030.0·10−6 cm3/mol
Structure
Trigonal, hR24[3]
R3, No. 148[3]
a = 6.012 Å, b = 6.012 Å, c = 17.34 Å
α = 90°, β = 90°, γ = 120°[3]
(anhydrous)
Thermochemistry[4]
93.2 J mol−1 K−1
131.0 J mol−1 K−1
-580.7 kJ/mol
-511.2 kJ/mol
Hazards
GHS labelling:[5]
GHS05: CorrosiveGHS07: Exclamation mark
Danger
H302, H314
P260, P264, P270, P280, P301+P312+P330, P301+P330+P331, P303+P361+P353, P304+P340+P310, P305+P351+P338+P310, P363, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazards (white): no code
3
0
2
Flash point Non-flammable
Safety data sheet (SDS) Vanadium(III) Chloride
Related compounds
Other anions
Vanadium(III) fluoride
Vanadium(III) bromide
Vanadium(III) iodide
Other cations
Titanium(III) chloride
Chromium(III) chloride
Niobium(III) chloride
Tantalum(III) chloride
Related compounds
Vanadium(II) chloride
Vanadium(IV) 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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Vanadium(III) chloride describes the inorganic compound with the formula VCl3 and its hydrates. It forms a purple anhydrous form and a green hexahydrate [VCl2(H2O)4]Cl·2H2O. These hygroscopic salts are common precursors to other vanadium(III) complexes and is used as a mild reducing agent.[6]

  1. ^ Cite error: The named reference aquo was invoked but never defined (see the help page).
  2. ^ Yajima Akimasa; Matsuzaki Ryoko; Saeki Yuzo (1979). "The Thermal Decomposition of Vanadium(III) Chloride Oxide and Its Reaction with Oxygen". Bulletin of the Chemical Society of Japan. 52 (11): 3292–3295. doi:10.1246/bcsj.52.3292.
  3. ^ a b c Cite error: The named reference crys was invoked but never defined (see the help page).
  4. ^ John Rumble (June 18, 2018). CRC Handbook of Chemistry and Physics (99 ed.). CRC Press. pp. 5–40. ISBN 978-1-138-56163-2.
  5. ^ "Vanadium(III) Chloride SDS". American Elements. Retrieved 2018-08-17.
  6. ^ Holleman, A. F.; Wiberg, E. Inorganic Chemistry Academic Press: San Diego, 2001. ISBN 0-12-352651-5.