Difference between revisions of "Thorium disulfide"
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| Section8 = {{Chembox Related | | Section8 = {{Chembox Related | ||
| OtherAnions = [[Thorium dioxide]]<br/>[[Thorium diselenide]]<br/>[[Thorium ditelluride]] | | OtherAnions = [[Thorium dioxide]]<br/>[[Thorium diselenide]]<br/>[[Thorium ditelluride]] | ||
| − | | OtherCations = | + | | OtherCations = [[Uranium disulfide]]<hr/>[[Zirconium disulfide]]<br/>[[Hafnium disulfide]] |
| OtherCpds = [[Thorium monosulfide]]<br/>[[Thorium sesquisulfide]] | | OtherCpds = [[Thorium monosulfide]]<br/>[[Thorium sesquisulfide]] | ||
}} | }} | ||
Latest revision as of 14:35, 9 January 2011
| Thorium disulfide | |
|---|---|
| Other names | Thorium(IV) sulfide |
| Identifiers | |
| InChI | InChI=1/2S.Th/q2*-2;+4 |
| InChIKey | VOHUFELWJQLMRX-UHFFFAOYAZ |
| Standard InChI | InChI=1S/2S.Th/q2*-2;+4 |
| Standard InChIKey | VOHUFELWJQLMRX-UHFFFAOYSA-N |
| CAS number | [] |
| EC number | |
| ChemSpider | |
| Properties[1][2] | |
| Chemical formula | ThS2 |
| Molar mass | 296.17 g mol−1 |
| Appearance | purple-brown solid |
| Density | 7.36 g cm−3 |
| Melting point |
1905 °C |
| Solubility in water | insoluble |
| Structure[2][3] | |
| Crystal structure | Lead dichloride |
| Space group | Pmnb |
| Lattice constant | a = 426.7 pm, b = 726.4 pm, c = 861.7 pm |
| Related compounds | |
| Other anions | Thorium dioxide Thorium diselenide Thorium ditelluride |
| Other cations | Uranium disulfide Zirconium disulfide Hafnium disulfide |
| Other compounds | Thorium monosulfide Thorium sesquisulfide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Thorium disulfide, ThS2, is one of the sulfides of thorium. Although it is said to melt at 1905 °C, considerable decomposition occurs above 1500 °C.[4] Heating the disulfide in vacuo yields the black Th7S12.[4][5]
Notes and references
Notes
References
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-158. ISBN 0-8493-0462-8
- ↑ 2.0 2.1 Wickleder, Mathias S.; Fourest, Blandine; Dorhout, Peter K. Thorium. In The Chemistry of the Actinide and Transactinide Elements, 3rd ed.; Morss, Lester R.; Edelstein, Norman M.; Fuger, Jean, Eds.; Springer: Dordrecht, the Netherlands, 2006; Vol. 1, Chapter 3, pp 52–160. doi:10.1007/1-4020-3598-5_3, <http://radchem.nevada.edu/classes/rdch710/files/thorium.pdf>.
- ↑ Zachariasen, W. H. Crystal chemical studies of the 5f-series of elements. X. Sulfides and oxysulfides. Acta Crystallogr. 1949, 2, 291–96. DOI: 10.1107/S0365110X49000758.
- ↑ 4.0 4.1 Eastman, E. D.; Brewer, Leo; Bromley, LeRoy A.; Gilles, Paul W.; Lofgren, Norman L. Preparation and Properties of the Sulfides of Thorium and Uranium. J. Am Chem. Soc. 1950, 72 (9), 4019–23. DOI: 10.1021/ja01165a051. Eastman, E. D.; Brewer, Leo; Bromley, LeRoy A.; Gilles, Paul W.; Lofgren, Norman I. Preparation and Tests of Refractory Sulfide Crucibles. J. Am. Ceram. Soc. 1951, 34 (4), 128–34. DOI: 10.1111/j.1151-2916.1951.tb11620.x.
- ↑ Zachariasen, W. H. Crystal chemical studies of the 5f-series of elements. IX. The crystal structure of Th7S12. Acta Crystallogr. 1949, 2, 288–91. DOI: 10.1107/S0365110X49000746.
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