Constituent IrO2 (nanoparticles) | SSHADE

Constituent

Name: IrO2 (nanoparticles)
Official name: Iridium(IV) oxide

Family: covalent network solid
Class: tridimentional covalent network solid
Compound type: oxide

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass fraction: 1.0
Mole fraction: 1.0

Chemical composition

Formula: $IrO_2$
Chemical formula: IrO2
Elemental formula: Ir O2
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Ir$	Iridium	element	1	0.3333333333333333	1	constituent element	main
	$O$	Oxygen	element	2	0.6666666666666666	1	constituent element	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$\geq Ir-O-$	6

Class: tridimensional covalent networks (11)
Type: one metal and one non-metal (or metalloid) tridimensional networks (11.04)

Phase type: crystalline

Crystallography

Crystal system: tetragonal
Crystal class: ditetragonal-dipyramidal
Crystal class symbol: 4/mmm (D4h)
Crystal spacegroup: P4(2)/mnm

Texture: polycrystalline

Physical properties

Molar mass: 224.22 $g/mol$
Density: 11.66 $g/cm^3$

Optical properties

Refringence type: uniaxial
Color: dark blue, blue-black