Californium(III) chloride

Californium(III) chloride is an inorganic compound with a chemical formula CfCl₃. As in californium(III) oxide (Cf₂O₃) and other californium halides, including californium(III) fluoride (CfF₃) and iodide (CfI₃), the californium atom has an oxidation state of +3.

Californium(III) chloride

Names
IUPAC name Californium(III) chloride
Identifiers
CAS Number	13536-90-8 249Cf: 89759-77-3
3D model (JSmol)	Interactive image
PubChem CID	249Cf: 135990930
InChI InChI=1S/Cf.3ClH/h;3*1H/q+3;;;/p-3/i1-2;;; Key: SXTGCRCJBXYIFT-LBCWAVLQSA-K
SMILES [Cl-].[Cl-].[Cl-].[Cf+3]
Properties
Chemical formula	CfCl3
Molar mass	357 g·mol−1
Appearance	emerald-green solid
Structure
Crystal structure	hexagonal
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Preparation

Californium(III) chloride can prepared by reacting californium(III) oxide with hydrogen chloride.

Cf₂O₃ + 6 HCl → 2 CfCl₃ + 3 H₂O

Properties

Chemical properties

When heating californium(III) chloride until 500 °C, it can hydrolyse to produce californium oxychloride.

Physical properties

Californium(III) chloride is soluble in water, giving Cf³⁺ and Cl⁻ ions. This salt has an emerald-green color. Its crystal structure is hexagonal.^[1] It is strongly radioactive.

See also

• Californium
• Californium compounds