Pentaamminechlororhodium dichloride

Pentaamminechlororhodium dichloride
Names
Other names
Claus' salt,
Pentaamminechlororhodium dichloride, chloropentaamminerhodium dichloride, chloropentaamminerhodium chloride, chloropentamminerhodium(III) dichloride, chloropentamminerhodium(III) chloride
Identifiers
CAS Number
  • 13820-95-6
3D model (JSmol)
  • Interactive image
ChemSpider
  • 62779325
ECHA InfoCard 100.034.082 Edit this at Wikidata
EC Number
  • 237-505-2
PubChem CID
  • 159699
CompTox Dashboard (EPA)
  • DTXSID00930015 Edit this at Wikidata
InChI
  • 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
Chemical formula
 [RhCl(NH3)5]Cl2
Appearance yellow solid
Hazards
GHS labelling:
Pictograms
 GHS07: Exclamation mark
Warning
Hazard statements
 H315, H319, H335
Precautionary statements
 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).
Infobox references
Chemical compound

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 octahedral complex [RhCl(NH3)5]2+ and two chloride counterions.[1] It forms from the reaction of 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]

  • Chloropentamminecobalt chloride

References

  1. ^ Hambley, Trevor W.; Lay, Peter A. (1986). "Comparisons of pi-Bonding and Hydrogen Bonding in Isomorphous Compounds: [M(NH3)5Cl]Cl2 (M = Cr, Co, Rh, Ir, Ru, Os)". Inorganic Chemistry. 25 (25): 4553–4558. doi:10.1021/ic00245a020.
  2. ^ a b Osborn, J. A.; Thomas, K.; Wilkinson, G. (1972). "Pentaamminechlororhodium(III) Dichloride and Pentaamminehydridorhodium(III) Sulfate". Inorganic Syntheses. 13: 213–215. doi:10.1002/9780470132449.ch43.
  3. ^ Thomas, K.; Osborn, J. A.; Powell, A. R.; Wilkinson, G. (1968). "The Preparation of Hydridopentammine- and Hydridoaquotetramminerhodium(III) Sulphates and Other Salts; the Formation of Alkyl and Fluoroalkyl Derivatives". Journal of the Chemical Society A: 1801. doi:10.1039/j19680001801.
  • v
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Rhodium compounds
Rh(0)
Organorhodium(0) compounds
  • Rh4(CO)12
  • Rh6(CO)16
Rh(I)
  • RhCl(P(C6H5)3)3
Organorhodium(I) compounds
  • ((C2H4)2RhCl)2
  • ((C8H12)RhCl)2
  • ((C8H14)2RhCl)2
  • ((CO)2RhCl)2
  • HRh(P(C6H5)3)4
  • HRh(CO)(P(C6H5)3)3
Rh(II)
  • Rh2(CH3CO2)4
Organorhodium(II) compunds
  • Rh(C5H5)2
Rh(III)
  • RhBr3
  • Rh(C5H5N)4Cl3
  • RhCl3
  • Rh(ClO4)3
  • RhF3
  • Rh(OH)3
  • RhI3
  • Rh(NH3)5ClCl2
  • Rh(NO3)3
  • Rh2O3
  • Rh2S3
  • Rh2(SO4)3
  • YbRh2Si2
Organorhodium(III) compunds
  • ((CH3)5C5RhCl2)2
  • Rh(O2C5H7)3
    • Rh(IV)
    • RhO2
    • RhF4
    Rh(V)
    • RhF5
    • XeRhF6
    Rh(VI)
    • RhF6