Caesium oxide (
IUPAC
The International Union of Pure and Applied Chemistry (IUPAC ) is an international federation of National Adhering Organizations working for the advancement of the chemical sciences, especially by developing nomenclature and terminology. It is ...
name), or cesium oxide, describes
inorganic compound
In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemis ...
s composed of
caesium
Caesium (IUPAC spelling) (or cesium in American English) is a chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-golden alkali metal with a melting point of , which makes it one of only five elemental metals that a ...
and
oxygen
Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements ...
. Several binary (containing only Cs and O) oxides of caesium are known.
[.]
Caesium oxide may refer to:
*
Caesium suboxides (Cs
7O, Cs
4O, and Cs
11O
3)
*
Caesium monoxide (Cs
2O, the most common oxide)
*
Caesium peroxide (Cs
2O
2)
*
Caesium sesquioxide (Cs
2O
3)
*
Caesium superoxide
Caesium superoxide is the superoxide of caesium. It is an orange solid.
Preparation
Burning caesium in excess oxygen will produce caesium superoxide.
:
Properties
Caesium superoxide's crystal structure is same as calcium carbide. It contains ...
(CsO
2)
*
Caesium ozonide
Caesium ozonide (CsO3) is an oxygen-rich compound of caesium. It is an ozonide, meaning it contains the ozonide anion (O3−). It can be formed by reacting ozone with caesium superoxide:
:CsO2 + O3 -> CsO3 + O2
The compound will react strongly ...
(CsO
3)
References
{{Authority control
Caesium compounds