Rhodium(III) hydroxide explained

Rhodium(III) hydroxide is a chemical compound with the formula Rh(OH)₃.

Various compounds of rhodium(III) with hydroxide ligands are known.^[1]

Some double hydroxides called rhodium(III) hydrogarnets are known to exist. They include BaNaRh(OH)₆, Ca₃Rh₂(OH)₁₂, Sr₃Rh₂(OH)₁₂.^[2] and Ba₃[Rh(OH)₆]₂ ⋅ H₂O.^[3]

Ga[Rh(OH)₆(Mo₆O₁₈)](H₂O)₁₆ is a complex molybdate hydroxide.^[4]

Notes and References

1. Spiccia. Leone. July 2004. Homopolynuclear and heteropolynuclear Rh(III) aqua ions – a review. Inorganica Chimica Acta. en. 357. 10. 2799–2817. 10.1016/j.ica.2003.12.036.
2. Cook. Daniel S.. Clarkson. Guy J.. Dawson. Daniel M.. Ashbrook. Sharon E.. Fisher. Janet M.. Thompsett. David. Pickup. David M.. Chadwick. Alan V.. Walton. Richard I.. 2018-09-04. Alkaline-Earth Rhodium Hydroxides: Synthesis, Structures, and Thermal Decomposition to Complex Oxides. Inorganic Chemistry. en. 57. 17. 11217–11224. 10.1021/acs.inorgchem.8b01797. 30106569. 52004001 . 0020-1669. 10023/18311. free.
3. Albrecht . Ralf . Bretschneider . Vincent . Doert . Thomas . Ruck . Michael . Ba 3 [Rh(OH) 6 ] 2 ⋅ H 2 O – a Precursor to Barium Oxorhodates with One‐dimensional Hydrogen Bonding Systems . Zeitschrift für anorganische und allgemeine Chemie . 2021-04-08 . 647 . 18 . 1702–1708 . 10.1002/zaac.202100016. free .
4. Kaziev. G. Z.. Osminkina. I. V.. Kin'ones. Saul' O.. Bel'skij. V. K.. Zavodnik. V. E.. 2002. Synthesis, thermal analysis, IR spectra, and crystal structure of gallium hexamolybdorhodate(3). Zhurnal Neorganicheskoj Khimii. Russian. 47. 1. 18–22. 0044-457X.