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Ytterbium(III) oxide

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Ytterbium(III) oxide
Ytterbium(III) oxide
Names
IUPAC name
Ytterbium(III) oxide.
Other names
Ytterbia
diytterbium trioxide
ytterbium sesquioxide
Identifiers
ChemSpider
ECHA InfoCard 100.013.850 Edit this at Wikidata
EC Number
  • 215-234-0
UNII
Properties
Yb2O3
Molar mass 394.08 g/mol
Appearance White solid.
Density 9.17 g/cm3, solid.
Melting point 2,355 °C (4,271 °F; 2,628 K)
Boiling point 4,070 °C (7,360 °F; 4,340 K)
Insoluble
Structure
Cubic, cI80
Ia-3, No. 206
Octahedral
Thermochemistry
133.05 J/mol·K [1]
-1814.600 kJ/mol [1]
-1726.844 kJ/mol [1]
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P305+P351+P338[2]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
1
0
1
Flash point Non-flammable.
Related compounds
Other anions
 Ytterbium(III) sulfide, Ytterbium(III) chloride
Other cations
 Thulium(III) oxide
Lutetium(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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Ytterbium(III) oxide is the chemical compound with the formula Yb2O3. It is one of the more commonly encountered compounds of ytterbium. It has the "rare-earth C-type sesquioxide" structure which is related to the fluorite structure with one quarter of the anions removed, leading to ytterbium atoms in two different six coordinate (non-octahedral) environments.[3]

Uses

See also

References

  1. ^ a b c R. Robie, B. Hemingway, and J. Fisher, “Thermodynamic Properties of Minerals and Related Substances at 298.15K and 1bar Pressure and at Higher Temperatures,” US Geol. Surv., vol. 1452, 1978.[1]
  2. ^ Sigma Aldrich; rev. 2012-09-19
  3. ^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
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