Solid phase
Official name
Dysprosium oxide
Secondary names
Dysprosium(III) oxide
CAS number
1308-87-8
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide
Chemical composition
Formula
$Dy_{2}O_{3}$
Chemical formula
Dy2O3
Elemental formula
Dy2 O3
Isotope mixture type
terrestrial abundance
10.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Dy$ Dysprosium element 2 0.4 1 constituent element main
$O$ Oxygen element 3 0.6 1 constituent element main
Chemical bonds
  Bond Number
$>Dy-O-$ 6
Class
tridimensional covalent networks (11)
Type
two non-metal (or one metalloid and one non-metal) atoms tridimensional networks (Ceramics) (11.03)
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
diploidal
Crystal class symbol
m-3 (Th)
Crystal spacegroup
Ia-3
Molar mass
372.998 $g/mol$
Density
7.8 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid $Dy_{2}O_{3}$ 2408 °C (2681 K)
Pure color
yellow
Color
pastel yellowish-greenish
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