Rubidium pertechnetate

Crystal structure
__ Rb +      __ Tc 7+      __ O 2−
Crystal system	tetragonal
Space group	I 4 1 / a
Lattice parameters	a = 576.2 pm c = 1354.3 pm
General
Surname	Rubidium pertechnetate
Ratio formula	RbTcO 4
Brief description	white solid
External identifiers / databases
CAS number 13597-49-4 Wikidata Q63441389
properties
Molar mass	246.37 g mol −1
Physical state	firmly
solubility	1.167 g 0.1 l −1
Hazard and safety information
Radioactive
GHS hazard labeling no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Rubidium pertechnetate, RbTcO ₄ is a chemical compound from the group of pertechnetates with rubidium .

Extraction and presentation

Rubidium pertechnetate can be obtained by reacting rubidium carbonate and ammonium pertechnetate .

${\displaystyle {\ce {Rb2CO3 + 2 NH4TcO4 -> 2 RbTcO4 + (NH4)2CO3}}}$

properties

The crystal structure of rubidium pertechnetate is tetragonal and has the space group I 4 ₁ / a . The lattice parameters are a = 576.2  pm and c = 1354.3 pm. The length of the Tc – O bond is 172.3 pm and the Rb – O bond is 302.1 pm. The angle of the O-Tc-O bond is 108.34 °.

Individual evidence

1. ↑ ^{a b} Klaus Schwochau: Technetium: Chemistry and Radiopharmaceutical Applications . John Wiley & Sons, 2008, ISBN 3-527-61337-4 , pp. 129 .
2. ↑ The hazards emanating from radioactivity do not belong to the properties to be classified according to the GHS labeling. With regard to other hazards, this substance has either not yet been classified or a reliable and citable source has not yet been found.
3. ^ ^{A b} Jamie Weaver, Chuck Z. Soderquist, Nancy M. Washton, Andrew S. Lipton, Paul L. Gassman, Wayne W. Lukens, Albert A. Kruger, Nathalie A. Wall, John S. McCloy: Chemical Trends in Solid Alkali pertechnetates . Inorg. Chem., February 2017, p. 2533-2544 , doi : 10.1021 / acs.inorgchem.6b02694 .