Tin(IV) bromide

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Tin(IV) bromide
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Names
IUPAC name
tetrabromostannate
Other names
tin tetrabromide, stannic bromide, bromostannic acid
Identifiers
7789-67-5 YesY
ChemSpider 23018 N
EC Number 232-184-5
Jmol 3D model Interactive image
PubChem 24616
  • InChI=1S/4BrH.Sn/h4*1H;/q;;;;+4/p-4 N
    Key: LTSUHJWLSNQKIP-UHFFFAOYSA-J N
  • InChI=1/4BrH.Sn/h4*1H;/q;;;;+4/p-4
    Key: LTSUHJWLSNQKIP-XBHQNQODAB
  • Br[Sn](Br)(Br)Br
Properties
SnBr4
Molar mass 438.33 g/mol
Appearance colourless [1]
Density 3.340 g/cm3 (at 35 °C)[1]
Melting point 31 °C (88 °F; 304 K)[1]
Boiling point 205 °C (401 °F; 478 K)[1]
soluble
Vapor pressure {{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Tin(IV) bromide is the chemical compound SnBr4. It is a colourless low melting solid.[1] SnBr4 can be prepared by reaction of the elements at normal temperatures:[2]

Sn + 2Br2 → SnBr4

In aqueous solution Sn(H2O)64+ is the principal ionic species amongst a range of 6 coordinate ions with from 0-6 bromide ligands (e.g. Sn(H2O)64+, SnBr(H2O)53+)[3] In basic solution the Sn(OH)62− ion is present.[3]
SnBr4 forms 1:1 and 1:2 complexes with ligands, e.g. with trimethylphosphine the following can be produced, SnBr4.P(CH3)3 and SnBr4.2P(CH3)3.[4]
SnBr4 crystallises in a monoclinic form with molecular SnBr4 units that have distorted tetrahedral geometry.[5]

References

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  1. ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Egon Wiberg, Arnold Frederick Holleman (2001) Inorganic Chemistry, Elsevier ISBN 0-12-352651-5
  3. ↑ 3.0 3.1 Sn NMR and vibrational spectroscopy, Taylor M. J. ; Coddington J. M., Polyhedron 1992, 11, 12, 1531-1544, doi:10.1016/S0277-5387(00)83148-4
  4. ↑ Preparation, Infrared and Raman Spectra, and Stereochemistries of Pentacoordinate Trimethylphosphine Complexes, MX4•P(CH3)3 and MX4•P(CD3)3 where M = Ge or Sn and X = Cl or Br, Frieson D. K., Ozin G. A., Can. J. Chem. 51(16): 2697–2709 (1973) doi:10.1139/v73-406
  5. ↑ Die Kristallstruktur von SnBr4 , Brand P., Sackmann H., Acta Crystallographica ( 1963), 16, 446-451, doi:10.1107/S0365110X63001250
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