Rubidium sulfide
| Crystal structure | ||||||||||
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| __ Rb + __ S 2− | ||||||||||
| Crystal system |
cubic |
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| Space group |
Fm 3 m (No. 225) |
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| Lattice parameters |
a = 765.0 pm |
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| General | ||||||||||
| Surname | Rubidium sulfide | |||||||||
| Ratio formula | Rb 2 S | |||||||||
| Brief description |
white to pale yellow crystals |
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| External identifiers / databases | ||||||||||
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| properties | ||||||||||
| Molar mass | 203.00 g · mol -1 | |||||||||
| Physical state |
firmly |
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| density |
2.912 g cm −3 |
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| Melting point |
530 ° C (decomposition) |
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| solubility |
soluble in water |
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| safety instructions | ||||||||||
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | ||||||||||
Rubidium sulfide is a rubidium salt of the hydrogen sulfide acid.
Manufacturing
Rubidium sulfide can be produced by introducing hydrogen sulfide into rubidium hydroxide solution. Rubidium hydrogen sulfide is formed as an intermediate product .
properties
Physical Properties
Rubidium sulfide crystallizes in the cubic crystal system in the space group Fm 3 m (space group no. 225) with the lattice parameter a = 765.0 pm and 4 formula units per unit cell .
Chemical properties
Rubidium sulfide reacts with sulfur in a hydrogen atmosphere to form rubidium pentasulfide .
Individual evidence
- ↑ a b c d Jean D'Ans, Ellen Lax: Pocket book for chemists and physicists. 3. Elements, inorganic compounds and materials, minerals . 4th edition. tape 3 . Springer, 1997, ISBN 978-3-540-60035-0 , pp. 692 ( limited preview in Google Book search).
- ^ Dale L. Perry, Sidney L. Phillips: Handbook of inorganic compounds . CRC Press, 1995, ISBN 978-0-8493-8671-8 , p. 336 ( limited preview in Google book search).
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ↑ Wilhelm Blitz, Ernst Wilke-Dörfurt: About sulfides of rubidium and cesium . In: Journal of Inorganic Chemistry . tape 48 , no. 1 , December 1905, p. 297-317 , doi : 10.1002 / zaac.19060480122 ( full text ).
- ↑ a b R. Abegg, F. Auerbach: Handbuch der inorganic Chemie . tape 2 . S. Hirzel, 1908, p. 430 ( full text ).
- ^ Wilhelm Blitz, Ernst Wilke-Dörfurt: About the pentasulfides of rubidium and cesium . In: Reports of the German Chemical Society . tape 38 , no. 1 , 1905, pp. 123-130 , doi : 10.1002 / cber.19050380114 .