Solid phase
Official name
Cadmium oxide
Secondary names
Cadmium(II) oxide; Cadmium monoxide; oxocadmium
CAS number
1306-19-0
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide
Comments
the equivalet mineral is Monteponite
Chemical composition
Formula
$CdO$
Chemical formula
CdO
Elemental formula
Cd O
Isotope mixture type
terrestrial abundance
4.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Cd$ Cadmium element 1 0.5 1 constituent element main
$O$ Oxygen element 1 0.5 1 constituent element main
Chemical bonds
  Bond Number
$Cd-O-$ 6
Class
tridimensional covalent networks (11)
Type
metal homonuclear tridimensional networks (elemental) (11.02)
Phase name
beta-cadmium oxide
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Crystal class symbol
m-3m (Oh)
Crystal spacegroup
Fm-3m
Molar mass
128.413 $g/mol$
Density
8.15 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-gas gas 1559 °C (1832 K)
Phase transitions comments
an alpha-form and an amorphous form also exist
Refringence type
isotropic
Refraction index $n_{\alpha}$
2.49
Pure color
red brown
Color
red brown, black
Diaphaneity
opaque
Luster
metallic
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