Rhodium(III) perchlorate

Rhodium(III) perchlorate refers to the inorganic compound with the formula Rh(H2O)6(ClO4)3. It is a hygroscopic yellow solid. It is the perchlorate salt of the tricationic aquo complex [Rh(H2O)6]3+. The compound is prepared by treating hydrated rhodium(III) chloride and perchloric acid at elevated temperatures:[1]

[Rh(H2O)6]Cl3 + 3 HClO4 → [Rh(H2O)6](ClO4)3 + 3 HCl
Rhodium(III) perchlorate
Identifiers
3D model (JSmol)
  • anhydrous: InChI=1S/3ClHO4.Rh/c3*2-1(3,4)5;/h3*(H,2,3,4,5);/q;;;+3/p-3
    Key: LCAWZYUJRNVLIG-UHFFFAOYSA-K
  • anhydrous: [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Rh+3]
Properties
[Rh(H2O)6](ClO4)3
Appearance yellow solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The reaction of rhodium(III) hydroxide with concentrated perchloric acid also produce rhodium(III) perchlorate.[2]

Rh(OH)3 + 3 HClO4 → Rh(ClO4)3 + 3 H2O

References
  1. Ayres, Gilbert H.; Forrester, John S. (1957). "The Preparation of Rhodium(III) Perchlorate Hexahydrate". Journal of Inorganic and Nuclear Chemistry. 3: 365-366. doi:10.1016/0022-1902(57)80042-6.
  2. Gilbert H. Ayres, John S. Forrester. The preparation of rhodium(III) perchlorate hexahydrate. Journal of Inorganic and Nuclear Chemistry, 1957. Vol.3, Iss.6, pp 365-366
Compounds containing perchlorate group
HClO4 He
LiClO4 Be(ClO4)2 B(ClO4)−4
B(ClO4)3		 ROClO3 N(ClO4)3
NH4ClO4
NOClO4		 H3OClO4 FClO4 Ne
NaClO4 Mg(ClO4)2 Al(ClO4)3
Al(ClO4)−4
Al(ClO4)2−5
Al(ClO4)3−6		 Si P S ClO−4
ClOClO3
Cl2O7		 Ar
KClO4 Ca(ClO4)2 Sc(ClO4)3 Ti(ClO4)4 VO(ClO4)3
VO2(ClO4)		 Cr(ClO4)3 Mn(ClO4)2 Fe(ClO4)2
Fe(ClO4)3		 Co(ClO4)2,
Co(ClO4)3		 Ni(ClO4)2 Cu(ClO4)2 Zn(ClO4)2 Ga(ClO4)3 Ge As Se Br Kr
RbClO4 Sr(ClO4)2 Y(ClO4)3 Zr(ClO4)4 Nb(ClO4)5 Mo Tc Ru Rh(ClO4)3 Pd(ClO4)2 AgClO4 Cd(ClO4)2 In(ClO4)3 Sn(ClO4)4 Sb TeO(ClO4)2 I Xe
CsClO4 Ba(ClO4)2   Lu(ClO4)3 Hf(ClO4)4 Ta(ClO4)5
TaO(ClO4)3
TaO2ClO4		 W Re Os Ir Pt Au Hg2(ClO4)2,
Hg(ClO4)2		 Tl(ClO4),
Tl(ClO4)3		 Pb(ClO4)2 Bi(ClO4)3 Po At Rn
FrClO4 Ra   Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
↓
La Ce(ClO4)x Pr(ClO4)3 Nd(ClO4)3 Pm Sm(ClO4)3 Eu(ClO4)3 Gd(ClO4)3 Tb(ClO4)3 Dy(ClO4)3 Ho(ClO4)3 Er(ClO4)3 Tm(ClO4)3 Yb(ClO4)3
Ac Th(ClO4)4 Pa UO2(ClO4)2 Np Pu Am Cm Bk Cf Es Fm Md No
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