The molecular formula of Rhodium(III) sulfate(10489-46-0) is Rh₂(SO₄)₃ and its formula weight is 494.
The density of Rhodium(III) sulfate(10489-46-0) is 1.217 g/mL at 25 °C(lit.) and it has a boiling point of 330 °C at 760 mmHg.
The chemical synonyms of Rhodium(III) sulfate(10489-46-0) are RHODIUM SULFATE;RHODIUM(III) SULFATE;rhodium(iii)sulfatesolution;sulfuricacid,rhodium(3++)salt(3:2);dirhodium trisulphate;Rhodium plating solution;Rhodium (III) sulphate - solution;RHODIUM(III) SULFATE SOLUTION, CA. 8% (W T/WT) RH IN WATER
The molecular structure of Rhodium(III) sulfate(10489-46-0):

The Rhodium(III) sulfate, with the CAS registry number 10489-46-0 and EINECS registry number 234-014-5, has the systematic name of rhodium(+2) cation trisulfate. It belongs to the following product categories: Inorganics; Metal and Ceramic Science; Rhodium Salts; Salts. And the molecular formula of this chemical is Rh₂S₃O₁₂. What's more, it is usually used as plating reagents and additives for noble metal.

The physical properties of Rhodium(III) sulfate are as followings: (1)#H bond acceptors: 12; (2)#H bond donors: 6; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 265.92 Å².  

Preparation: Heat the fourty hydrate for evaporation and concentration. Dissolve it in the water, and add caustic baryta to precipitate the excess sulfuric acid. After a series of filtration, concentration and drying, you can get hexahydrate.

You should be cautious while dealing with this chemical. It may cause cancer by inhalation, and may also cause burns. It is toxic by inhalation, in contact with skin and if swallowed. And if contact with combustible material, it may cause fireTherefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of accident or if you feel unwell, seek medical advice immediately (show label where possible); Avoid exposure - obtain special instruction before use; Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer).

You can still convert the following datas into molecular structure:
(1)SMILES: [Rh+2].[Rh+2].[O-]S(=O)(=O)[O-].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
(2)InChI: InChI=1/3H2O4S.2Rh/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+2/p-6
(3)InChIKey: PQOWTXOMLDJPBY-CYFPFDDLAH