Solid phase
Official name
Ytterbium oxide
Secondary names
Ytterbium(III) oxide; Diytterbium trioxide; Ytterbium sesquioxide
CAS number
1314-37-0
Type
Family
ionic solid
Class
normal salt
Compound type
oxide
Chemical composition
Formula
$Yb^{3+}_2 \cdot O^{2-}_3$
Chemical formula
Yb2O3
Elemental formula
(Yb3+)2 (O2-)3
Isotope mixture type
terrestrial abundance
10.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Yb^{3+}$ Ytterbium cation element 2 0.4 1 constituent cation main
$O^{2-}$ Oxide anion element 3 0.6 1 constituent anion main
Chemical bonds
  Bond Number
$\cdot (\cdot) Yb^{3+} \cdot O^{-}-$ 6
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
diploidal
Crystal class symbol
m-3 (Th)
Crystal spacegroup
Ia-3
Molar mass
394.08 $g/mol$
Density
9.17 (calc: 8.52) $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid Yb2O3 (or decompose YbO + O2) 2355 °C (2628 K)
Refringence type
isotropic
Pure color
colorless
Color
white
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