Vanadium(II) bromide

Vanadium(II) bromide
Names
IUPAC name
Vanadium(II) bromide
Other names
Vanadium dibromide
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/2BrH.V/h2*1H;/q;;+2/p-2
    Key: WSJLOGNSKRVGAD-UHFFFAOYSA-L
  • Br[V]Br
Properties
VBr2
Molar mass 210.750 g/mol
Appearance light-brown solid
Density 4.58 g/cm3
Melting point 827 °C (1,521 °F; 1,100 K)
Boiling point 1,227 °C (2,241 °F; 1,500 K)
reacts
+3230.0·10−6 cm3/mol
Structure
trigonal
Related compounds
Other anions
 vanadium(II) chloride, vanadium(II) iodide
Related compounds
 vanadium(III) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Vanadium(II) bromide is a inorganic compound with the formula VBr2. It adopts the cadmium iodide structure, featuring octahedral V(II) centers.[1] A hexahydrate is also known. The hexahydrate undergoes partial dehydration to give the tetrahydrate. Both the hexa- and tetrahydrates are bluish in color.[2] The compound is produced by the reduction of vanadium(III) bromide with hydrogen.

Further reading

  • Stebler, A.; Leuenberger, B.; Guedel, H. U. "Synthesis and crystal growth of A3M2X9 (A = Cs, Rb; M = Ti, V, Cr; X = Cl, Br)" Inorganic Syntheses (1989), volume 26, pages 377–85.

References

  1. ^ Klemm, Wilhelm; Grimm, Ludwig (1942). "Zur Kenntnis der Dihalogenide des Titans und Vanadins". Zeitschrift für Anorganische und Allgemeine Chemie. 249 (2): 198–208. doi:10.1002/zaac.19422490204.
  2. ^ Seifert, Hans-Joachim; Gerstenberg, Burkhard (1962). "Darstellung von Vanadin(II)-Verbindungen aus wäßriger Lösung". Zeitschrift für Anorganische und Allgemeine Chemie. 315 (1–2): 56–63. doi:10.1002/zaac.19623150108.

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