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User:Praseodymium-141/Thulium dibromide

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Thulium dibromide
Names
Other names
Thulium(II) bromide
Identifiers
Properties
TmBr2
Molar mass 328.74
Appearance dark green solid[1]
Melting point 619 °C[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Thulium dibromide is an inorganic compound, with the chemical formula of TmBr2. It is a dark green solid that is easy to dissolve, with the SrI2 structure and it needs to be stored in an inert atmosphere.

Preparation

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Thulium dibromide can be prepared by reacting thulium with thulium tribromide at 800~900 °C in a vacuum.[1] At high temperatures, the alkali metals can also obtain bromide, but only lithium and sodium reactions obtain thulium dibromide, and the response to the participation of potassium, rubidium, and caesium.[2]

References

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  1. ^ a b c Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 1081.
  2. ^ Schilling, Gaby; Kunert, Christine; Schleid, Thomas; Meyer, Gerd. Metallothermic reduction of the tribromides and triiodides of thulium and ytterbium by alkali metals. Zeitschrift fuer Anorganische und Allgemeine Chemie, 1992. 618: 7-12. ISSN: 0044-2313.


Category:Lanthanide halides Category:Thulium compounds Category:Bromides