Solid phase
Official name
Platinum dioxide
Secondary names
Adams' catalyst; Platinum(IV) oxide; Platinic oxide
CAS number
1314-15-4
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide
Formula
PtO2
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/cm3
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