Thulium(III) oxide: Difference between revisions
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| verifiedrevid = 428987369 |
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| Name = Thulium(III) oxide |
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| ImageFile = Tl2O3structure.jpg |
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| ImageName = Thulium(III) oxide |
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| OtherNames = Thulium oxide, thulium sesquioxide |
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| IUPACName = Thulium(III) oxide |
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| Section1 = {{Chembox Identifiers |
| Section1 = {{Chembox Identifiers |
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| CASNo_Ref = {{cascite|correct|CAS}} |
| CASNo_Ref = {{cascite|correct|CAS}} |
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| CASNo = 12036-44-1 |
| CASNo = 12036-44-1 |
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| UNII_Ref = {{fdacite|correct|FDA}} |
| UNII_Ref = {{fdacite|correct|FDA}} |
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| UNII = DZJ5EE05EB |
| UNII = DZJ5EE05EB |
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| EC_number = 234-851-6 |
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| PubChem = 159411 |
| PubChem = 159411 |
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| InChI = 1S/3O.2Tm/q3*-2;2*+3 |
| InChI = 1S/3O.2Tm/q3*-2;2*+3 |
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| SMILES = [O-2].[O-2].[O-2].[Tm+3].[Tm+3] |
| SMILES = [O-2].[O-2].[O-2].[Tm+3].[Tm+3] |
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| Section2 = {{Chembox Properties |
| Section2 = {{Chembox Properties |
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| Formula = Tm<sub>2</sub>O<sub>3</sub> |
| Formula = Tm<sub>2</sub>O<sub>3</sub> |
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| MolarMass = 385.866 g/mol |
| MolarMass = 385.866 g/mol |
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| MagSus = +51,444·10<sup>−6</sup> cm<sup>3</sup>/mol |
| MagSus = +51,444·10<sup>−6</sup> cm<sup>3</sup>/mol |
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| Section3 = {{Chembox Structure |
| Section3 = {{Chembox Structure |
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| CrystalStruct = [[Cubic crystal system|Cubic]], [[Pearson symbol|cI80]] |
| CrystalStruct = [[Cubic crystal system|Cubic]], [[Pearson symbol|cI80]] |
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| SpaceGroup = Ia-3, No. 206 |
| SpaceGroup = Ia-3, No. 206 |
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| Section4 = {{Chembox Thermochemistry |
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| Section6 = {{Chembox Hazards |
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| ExternalSDS = [https://www.sigmaaldrich.com/US/en/sds/aldrich/289167?userType=anonymous Sigma-Aldrich] |
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| GHSPictograms = {{GHS07}} |
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| Section8 = {{Chembox Related |
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| OtherAnions = [[Thulium(III) chloride]] |
| OtherAnions = [[Thulium(III) chloride]] |
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| OtherCations = [[Erbium(III) oxide]]<br>[[Ytterbium(III) oxide]] |
| OtherCations = [[Erbium(III) oxide]]<br>[[Ytterbium(III) oxide]] |
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'''Thulium(III) oxide''' is a pale green solid compound, with the formula [[thulium|Tm]]<sub>2</sub>[[oxygen|O]]<sub>3</sub>. It was first isolated in 1879, from an impure sample of [[erbia]], by [[Sweden|Swedish]] [[chemist]] [[Per Teodor Cleve]], who named it ''thulia''. |
'''Thulium(III) oxide''' is a pale green solid compound, with the formula [[thulium|Tm]]<sub>2</sub>[[oxygen|O]]<sub>3</sub>. It was first isolated in 1879, from an impure sample of [[erbia]], by [[Sweden|Swedish]] [[chemist]] [[Per Teodor Cleve]], who named it ''thulia''. |
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It can be prepared in the laboratory by burning [[thulium]] metal in air, or by decomposition of |
It can be prepared in the laboratory by burning [[thulium]] metal in air, or by decomposition of thulium salts, such as [[thulium(III) nitrate]] or [[thulium(III) acetate]].<ref name="InorgChem">{{cite book |
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| title = Inorganic Chemistry, 3rd Edition |
| title = Inorganic Chemistry, 3rd Edition |
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| chapter = Chapter 25: The ''f''-block metals: lanthanoids and actinoids |
| chapter = Chapter 25: The ''f''-block metals: lanthanoids and actinoids |
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| isbn = 978-0-13-175553-6 |
| isbn = 978-0-13-175553-6 |
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| page = 864 |
| page = 864 |
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}}</ref><ref>{{Cite journal |last=Justice |first=Bruce |last2=Westrum |first2=Edgar |last3=Chang |first3=Elfreda |last4=Radebaugh |first4=Ray |date=February 1, 1969 |title=Thermophysical properties of the lanthanide oxides. IV. Heat capacities and thermodynamic properties of thulium(III) and lutetium(III) oxides. Electronic energy levels of several lanthanide(III) ions |url=https://pubs.acs.org/doi/10.1021/j100722a010 |journal=Journal of Physical Chemistry |volume=2 |issue=73 |pages=333-340 |via=ACSPublications}}</ref> |
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}}</ref> |
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==References== |
==References== |
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Revision as of 19:19, 30 June 2024
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| Names | |
|---|---|
| IUPAC name
Thulium(III) oxide
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| Other names
Thulium oxide, thulium sesquioxide
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| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.031.670 |
| EC Number |
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PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| Tm2O3 | |
| Molar mass | 385.866 g/mol |
| Appearance | greenish-white cubic crystals |
| Density | 8.6 g/cm3 |
| Melting point | 2,341 °C (4,246 °F; 2,614 K) |
| Boiling point | 3,945 °C (7,133 °F; 4,218 K) |
| slightly soluble in acids | |
| +51,444·10−6 cm3/mol | |
| Structure | |
| Cubic, cI80 | |
| Ia-3, No. 206 | |
| Hazards | |
| GHS labelling: | |
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| Safety data sheet (SDS) | Sigma-Aldrich |
| Related compounds | |
Other anions
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Thulium(III) chloride |
Other cations
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Erbium(III) oxide Ytterbium(III) oxide |
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(III) oxide is a pale green solid compound, with the formula Tm2O3. It was first isolated in 1879, from an impure sample of erbia, by Swedish chemist Per Teodor Cleve, who named it thulia. It can be prepared in the laboratory by burning thulium metal in air, or by decomposition of thulium salts, such as thulium(III) nitrate or thulium(III) acetate.[1][2]
References
- ^ Catherine E. Housecroft; Alan G. Sharpe (2008). "Chapter 25: The f-block metals: lanthanoids and actinoids". Inorganic Chemistry, 3rd Edition. Pearson. p. 864. ISBN 978-0-13-175553-6.
- ^ Justice, Bruce; Westrum, Edgar; Chang, Elfreda; Radebaugh, Ray (February 1, 1969). "Thermophysical properties of the lanthanide oxides. IV. Heat capacities and thermodynamic properties of thulium(III) and lutetium(III) oxides. Electronic energy levels of several lanthanide(III) ions". Journal of Physical Chemistry. 2 (73): 333–340 – via ACSPublications.
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