Vanadium(III) oxide | SSHADE

Processing math: 100%

Solid phase

Official name: Vanadium(III) oxide

Name and identifiers

Secondary names: Vanadium trioxide; Divanadium trioxide; Vanadic oxide; Vanadium sesquioxide; oxo(oxovanadiooxy)vanadium; karelianite
CAS number: 1314-34-7

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

Chemical composition

Formula: $V_2O_3$
Chemical formula: V2O3
Elemental formula: V2 O3
Isotope mixture type: terrestrial abundance

10.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$V$	Vanadium	element	2	0.4	1	constituent cation	main
	$O$	Oxygen	element	3	0.6	1	constituent anion	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$V-O$	6

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

Associated phases

Equivalent mineral: Karelianite

Crystallography

Phase type: crystalline
Crystal system: trigonal
Crystal class: ditrigonal-scalenohedral
Crystal class symbol: -3m (D3d)
Crystal spacegroup: R-3c

Physical properties

Molar mass: 149.881 $g/mol$
Density: 4.87 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-liquid	liquid V2O3	1940°C (2210 K)

Optical properties

Refringence type: uniaxial
Refringence sign: unknown
Refraction index $n_{\alpha}$: 2.36 - 2.38
Pure color: black
Color: black
Diaphaneity: opaque
Luster: metallic

Links and Publications

Links