Yttrium(III) oxide facts for kids
Quick facts for kids Yttrium(III) oxide |
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IUPAC name | Yttrium(III) oxide. |
Other names | Yttria, diyttrium trioxide, yttrium sesquioxide |
Identifiers | |
CAS number | |
PubChem | |
EC number | 215-233-5 |
RTECS number | ZG3850000 |
SMILES | O=[Y]O[Y]=O |
Properties | |
Molecular formula | |
Molar mass | 0 g mol-1 |
Appearance | White solid. |
Density | 5.010 g/cm3, solid |
Melting point | |
Boiling point | |
insoluble | |
Solubility in alcohol acid |
soluble |
Structure | |
Crystal structure | Cubic (bixbyite), cI80 |
Space group | Ia-3, No. 206 |
Coordination geometry |
Octahedral |
Thermochemistry | |
Std enthalpy of formation ΔfH |
-1905.310 kJ/mol |
Standard molar entropy S |
99.08 J/mol·K |
Hazards | |
EU classification | None listed. |
R-phrases | Not hazardous |
S-phrases | Template:S24/25 |
Related compounds | |
Other cations | Scandium(III) oxide, Lanthanum(III) oxide |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
Yttrium oxide is Y2O3. It is an air-stable, white solid substance. Yttrium oxide is used as a common starting material for both materials science as well as inorganic compounds.
See also
In Spanish: Óxido de itrio(III) para niños
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Yttrium(III) oxide Facts for Kids. Kiddle Encyclopedia.