Solid phase
Official name
Platinum dioxide
Secondary names
Adams' catalyst; Platinum(IV) oxide; Platinic oxide
CAS number
1314-15-4
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide
Chemical composition
Formula
$PtO_2$
Chemical formula
PtO2
Elemental formula
Pt O2
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Pt$ Platinum element 1 0.3333333333333333 1 constituent element main
$O$ Oxygen element 2 0.6666666666666666 1 constituent element main
Chemical bonds
  Bond Number
$=Pt=O$ 2
Class
tridimensional covalent networks (11)
Type
metal homonuclear tridimensional networks (elemental) (11.02)
Phase type
crystalline
Crystal system
tetragonal
Crystal class
ditetragonal-dipyramidal
Crystal class symbol
4/mmm (D4h)
Crystal spacegroup
P4(2)/mnm
Molar mass
227.08 $g/mol$
Density
11.8 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid decomposition liquid 450 °C (723 K)
Refringence type
uniaxial
Pure color
black
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