Rubidium pertechnetate

Rubidium pertechnetate is a pertechnetate of rubidium, with the chemical formula RbTcO₄.

Rubidium pertechnetate

Identifiers
CAS Number	13597-49-4 Y
3D model (JSmol)	Interactive image
PubChem CID	139036958
InChI InChI=1S/4O.Rb.Tc/q4*-2;+1;+7 Key: XBKKTBUGAOIDLF-UHFFFAOYSA-N
SMILES [Rb+].[O-][Tc](=O)(=O)=O
Properties
Chemical formula	O4RbTc
Molar mass	247 g·mol−1
Appearance	white solid[1]
Solubility in water	1.167 g/100mL[1]
Structure
Crystal structure	tetragonal
Space group	I41/a
Lattice constant	a = 576.2 pm, c = 1354.3 pm
Related compounds
Other anions	Rubidium perchlorate Rubidium permanganate
Other cations	Pertechnate Lithium pertechnetate Sodium pertechnetate Potassium pertechnetate Caesium pertechnetate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Preparation

Rubidium pertechnetate can be prepared by reacting rubidium carbonate with ammonium pertechnetate:^[2]

Rb₂CO₃ + 2 NH₄TcO₄ → 2 RbTcO₄ + (NH₄)₂CO₃

Properties

Rubidium pertechnetate crystallizes in the tetragonal crystal system, with space group I41/a, and lattice parameters a = 576.2 pm and c = 1354.3 pm. In its structure, the Tc–O bond length is 172.3 pm, O–Tc–O bond angle is 108.34°.^[2]