Europium (II) carbonate

Crystal structure
Blue: Europium , Red: Oxygen Black: Carbon Black triangles: Carbonate groups
Space group	Pmcn (No. 62, position 5)
General
Surname	Europium (II) carbonate
Ratio formula	EuCO 3
Brief description	yellow solid
External identifiers / databases
CAS number 5772-74-7 EC number 227-298-7 ECHA InfoCard 100.024.817 PubChem 165346 ChemSpider 144949 Wikidata Q15628186
properties
Molar mass	212.0 g mol −1
Physical state	firmly
density	5.61 g cm −3
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 .

Europium (II) carbonate is a chemical compound of europium from the group of carbonates .

Extraction and presentation

Europium (II) carbonate can be obtained by reacting europium (II) sulfate with a sodium carbonate solution .

${\displaystyle \mathrm {EuSO_{4}+Na_{2}CO_{3}\longrightarrow EuCO_{3}+Na_{2}SO_{4}} }$

properties

Europium metal oxidized in the air covered with a yellow layer consisting of EuCO ₃

Europium (II) carbonate is a yellow solid that is not sensitive to air and is sparingly soluble in water. Its crystal structure is isotypic to that of aragonite and orthorhombic with the space group Pmcn (space group no. 62, position 5) .

Individual evidence

1. ↑ ^{a b c d} Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 1091.
2. ^ ^{A b} I. Mayer, E. Levy, A. Glasner: The crystal structure of EuSO4 and EuCO3. In: Acta Crystallographica. 17, 1964, pp. 1071-1072, doi : 10.1107 / S0365110X64002699 .
3. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
4. ↑ Angel Vegas: Inorganic 3D Structures . Springer, 2011, ISBN 3-642-20340-X , p. 43 ( limited preview in Google Book search).