Solid phase
Official name
Rhodium(III) oxide
Secondary names
Rhodium oxide; Rhodium sesquioxide; Rh2O3
CAS number
12036-35-0
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide
Formula
Rh2O3
Chemical formula
Rh2O3
Elemental formula
Rh2 O3
Isotope mixture type
terrestrial abundance
10.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Rh Rhodium element 2 0.4 1 constituent element main
O Oxygen element 3 0.6 1 constituent element main
Class
tridimensional covalent networks (11)
Type
one metal and one non-metal (or metalloid) tridimensional networks (11.04)
Phase type
crystalline
Crystal system
trigonal
Crystal class
ditrigonal-scalenohedral
Crystal class symbol
-3m (D3d)
Crystal spacegroup
R-3c
Molar mass
253.809 g/mol
Density
8.2 g/cm3
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid decomposition liquid 1100°C (1370 K)
Refringence type
uniaxial
Pure color
gray
Color
gray, dark gray
Diaphaneity
transparent