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Berkelium(III) oxide

From Wikipedia, the free encyclopedia
Berkelium(III) oxide
Names
Other names
diberkelium trioxide, berkelium sequioxide
Identifiers
3D model (JSmol)
  • InChI=1S/2Bk.3O/q2*+3;3*-2
    Key: LIPRULCJHNQYDI-UHFFFAOYSA-N
  • [Bk+3].[Bk+3].[O-2].[O-2].[O-2]
Properties
Bk2O3
Molar mass542 g·mol−1
Appearanceyellow-green solid
Densityg/cm3
Melting point1,920 °C (3,490 °F; 2,190 K)
insoluble
Structure
cubic
Related compounds
Related compounds
Californium(III) oxide
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Berkelium(III) oxide is a binaryinorganic compound ofberkelium andoxygen with the chemical formulaBk
2O
3.[1]

Synthesis

[edit]

Berkelium(III) oxide can be prepared fromberkelium(IV) oxide by reduction withhydrogen:[2]

2BkO2 + H2 → Bk2O3 + H2O

Physical properties

[edit]

The compound forms a yellow-green solid with a melting point of 1920 °C. It forms a body-centered cubic crystal lattice with a = 1088.0 ± 0.5 pm.[3][4]

Insoluble in water.[5]

References

[edit]
  1. ^Seaborg, G. T.; Katz, Joseph J.; Morss, L. R. (6 December 2012).The Chemistry of the Actinide Elements: Volume 2.Springer Science & Business Media. p. 1004.ISBN 978-94-009-3155-8. Retrieved11 April 2023.
  2. ^Sabry, Fouad (15 October 2022).Americium: Future space missions can be powered for up to 400 years. One Billion Knowledgeable. Retrieved11 April 2023.
  3. ^Peterson, J. R.; Cunningham, B. B. (1 September 1967)."Crystal structures and lattice parameters of the compounds of berkelium I. Berkelium dioxide and cubic berkelium sesquioxide".Inorganic and Nuclear Chemistry Letters.3 (9):327–336.doi:10.1016/0020-1650(67)80037-0.ISSN 0020-1650. Retrieved11 April 2023.
  4. ^Baybarz, R. D. (1 August 1968)."The berkelium oxide system".Journal of Inorganic and Nuclear Chemistry.30 (7):1769–1773.doi:10.1016/0022-1902(68)80352-5.ISSN 0022-1902. Retrieved11 April 2023.
  5. ^Schweitzer, George K.; Pesterfield, Lester L. (14 January 2010).The Aqueous Chemistry of the Elements.Oxford University Press.ISBN 978-0-19-539335-4. Retrieved11 April 2023.
Bk(II)
Bk(III)
Organoberkelium(III) compounds
Bk(IV)
Mixed oxidation states
+1 oxidation state
+2 oxidation state
+3 oxidation state
+4 oxidation state
+5 oxidation state
+6 oxidation state
+7 oxidation state
+8 oxidation state
Related
Oxides are sorted byoxidation state.Category:Oxides


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