Terbium (IV) oxide

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Crystal structure
Crystal structure of terbium (IV) oxide
__ Tb 4+      __ O 2−
General
Surname Terbium (IV) oxide
other names

Terbium dioxide

Ratio formula TbO 2
Brief description

dark red solid

External identifiers / databases
CAS number 12036-15-6
PubChem 19784835
Wikidata Q19309891
properties
Molar mass 190.92 g mol −1
Physical state

firmly

safety instructions
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 .

Terbium (IV) oxide is a chemical compound of terbium from the group of oxides .

Extraction and presentation

Terbium (IV) oxide cannot be obtained by reacting lower terbium oxides with oxygen . The compound could be obtained for the first time by reacting terbium (III, IV) oxide with atomic oxygen at 350 ° C. Later it could be represented by the decomposition of terbium oxides in aqueous solutions.

properties

Terbium (IV) oxide is a dark red solid. It has a crystal structure of fluorite and decomposes in air at temperatures at 350 ° C.

Individual evidence

  1. a b c d H. Harry Julius Emeleus, AG Sharpe: ADVANCES IN INORGANIC CHEMISTRY AND RADIOCHEMISTRY . Academic Press, 1977, ISBN 978-0-08-057869-9 , pp. 73 ( limited preview in Google Book search).
  2. This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.