Titanium(IV) dioxide | SSHADE

Processing math: 100%

Solid phase

Official name: Titanium(IV) dioxide

Name and identifiers

Secondary names: Titania; dioxotitanium; Titanium dioxide; Rutile; Titania; TiO2
CAS number: 13463-67-7

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

Chemical composition

Formula: $TiO_2$
Chemical formula: TiO2
Elemental formula: Ti O2
Isotope mixture type: terrestrial abundance

6.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Ti$	Titanium	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
	$\geq Ti-O-$	6

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

Associated phases

Equivalent mineral: Rutile

Crystallography

Phase name: Rutile
Phase type: crystalline
Crystal system: tetragonal
Crystal class: ditetragonal-dipyramidal
Crystal class symbol: 4/mmm (D4h)
Crystal spacegroup: P4(2)/mnm

Physical properties

Molar mass: 79.866 $g/mol$
Density: 4.23 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-liquid	liquid TiO2	1843°C (2116 K)

Optical properties

Refringence type: uniaxial
Refringence sign: positive
Birefringence: 0.296
Refraction index $n_{\alpha}$: 2.613
Refraction index $n_{\beta}$: 2.909
Dispersion V: strong
Pure color: white
Color: white
Diaphaneity: translucent to opaque
Luster: adamantine

Links and Publications

Links