Neodymium(III) oxide | SSHADE

Solid phase

Official name: Neodymium(III) oxide

Name and identifiers

Secondary names: Neodymium oxide; Neodymium sesquioxide; Neodymium trioxide; Dineodymium trioxide; Nd2O3
CAS number: 1313-97-9

Family: ionic solid
Class: alkali salt
Compound type: oxide

Chemical composition

Formula: $Nd{3+}_2 \cdot O^{2-}_3$
Chemical formula: Nd2O3
Elemental formula: (Nd3+)2 (O2-)3
Isotope mixture type: terrestrial abundance

10.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Nd^{3+}$	Neodymium cation	element	2	0.4	1	constituent cation	main
	$O^{2-}$	Oxide anion	element	3	0.6	1	constituent anion	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$\cdot (\cdot) Nd^{3+} \cdot O^{2-} \cdot$	7

Class: alkali salts (06)
Type: simple alkali salts (06.01)

Crystallography

Phase name: A-Nd2O3
Phase type: crystalline
Crystal system: trigonal
Crystal class symbol: -3m (D3d)
Crystal spacegroup: P-3m1
Comments: crystal class: Ditrigonal scalenohedral

Physical properties

Molar mass: 336.48 $g/mol$
Density: 7.24 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-solid	X-Nd2O3 (cubic)	below ? K

Optical properties

Refringence type: uniaxial
Color: light bluish gray

Links and Publications

Links