Zinc selenide | SSHADE

Solid phase

Official name: Zinc selenide

Name and identifiers

CAS number: 1315-09-9

Family: metallic solid
Class: pseudometal (semi-conductor)
Compound type: selenide
Comments: There is also an hexagonal phase (wurtzite)

Chemical composition

Formula: $ZnSe$
Chemical formula: ZnSe
Elemental formula: Zn Se
Isotope mixture type: terrestrial abundance

4.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Zn$	Zinc	element	1	0.5	1	constituent element	main
	$Se$	Selenium	element	1	0.5	1	constituent element	main

Chemical functions and bonds

Chemical bonds

	Bond	Number
	$\geq Zn-Se-$	4

Class: pseudometals (14)
Type: homovalent bilayer pseudometals (14.02)

Crystallography

Phase name: Zincblende
Phase type: crystalline
Crystal system: isometric (cubic)
Crystal class: hextetrahedral
Crystal class symbol: -43m (Td)
Crystal spacegroup: F-43m

Physical properties

Molar mass: 144.35 $g/mol$
Density: 5.42 - 5.27 (calc.) $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-liquid	liquid	1525 °C (1798 K)

Optical properties

Refringence type: isotropic
Refraction index $n_{\alpha}$: 2.67 (550 nm)
Pure color: yellow
Color: light yellow, gray
Diaphaneity: translucent to opaque
Luster: metallic

Links and Publications

Links

Wikipedia