Thulium dibromide
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| Names | |
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| Other names
Thulium(II) bromide
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| 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).
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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
[edit]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
[edit]- ^ 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.
- ^ 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
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