Pentaamminechlororhodium dichloride

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Pentaamminechlororhodium dichloride
Names
Other names
Claus' salt,
Pentaamminechlororhodium dichloride, chloropentaamminerhodium dichloride, chloropentaamminerhodium chloride, chloropentamminerhodium(III) dichloride, chloropentamminerhodium(III) chloride
Identifiers
3D model (
JSmol
)
ChemSpider
ECHA InfoCard
 100.034.082 Edit this at Wikidata
EC Number
  • 237-505-2
  • InChI=1S/3ClH.5H3N.Rh/h3*1H;5*1H3;/q;;;;;;;;+3/p-3
    Key: ICJGGTVWZZBROS-UHFFFAOYSA-K
  • [Cl-].Cl[Ru-3]([NH3+])([NH3+])([NH3+])([NH3+])[NH3+].[Cl-]
Properties
[RhCl(NH3)5]Cl2
Appearance yellow solid
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Pentamminechlororhodium dichloride is the dichloride salt of the coordination complex [RhCl(NH3)5]2+. It is a yellow, water-soluble solid. The salt is an intermediate in the purification of rhodium from its ores.

As shown by X-ray crystallography, the salt consists of the

rhodium trichloride and ammonia in ethanol.[2]
Two chloride anions are labile, whereas the coordinated chloride ligand is not.

Treatment of [RhCl(NH3)5]Cl2 with zinc dust in the presence of ammonia gives the hydride complex [RhH(NH3)5]2+.[2][3]

Related compounds

References

  1. doi:10.1021/ic00245a020
    .
  2. ^
    doi:10.1002/9780470132449.ch43
    .
  3. doi:10.1039/j19680001801
    .
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