Caesium rhenium oxide | SSHADE

Processing math: 50%

Solid phase

Official name: Caesium rhenium oxide

Name and identifiers

Secondary names: Cesium rhenium oxide; cesium perrhenate
CAS number: 13768-49-5

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

Chemical composition

Formula: $Cs^+.(ReO_4)^-$
Chemical formula: CsReO4
Elemental formula: (Cs+) Re O3 (O-)
Isotope mixture type: terrestrial abundance

4.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Cs^+$	Caesium cation	element	1	0.5	1	constituent cation	main
	$(ReO_4)^-$	Rhenate anion	chemical function	1	0.5	1	anionic radical	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$(ReO_4)^-$	1

Chemical bonds

	Bond	Number
	$Cs^+ \cdot O^-$	1
	$\dddot - \dddot - \dddot - Re \dddot - O^{-1/4}$	1

Class: normal salts (07)
Type: simple normal salts (07.01)

Crystallography

Phase name: $\beta-CsReO4$
Phase type: crystalline
Crystal system: orthorhombic
Crystal class: dipyramidal
Crystal class symbol: mmm (D2h)
Crystal spacegroup: Pnma

Physical properties

Molar mass: 383.11 $g/mol$
Density: 5.15 - 5.19 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-solid	$\alpha-CsReO4$	T > 182°C

Optical properties

Refringence type: biaxial
Pure color: colorless
Color: colorless, white
Diaphaneity: transparent to translucent

Links and Publications

Links

The Materials Project: CsReO4