Actinium(III) sulfide

Actinium(III) sulfide is the radioactive compound of actinium with the formula Ac₂S₃. This salt was prepared by heating actinium(III) oxalate at 1400°C for 6 minutes in a mixture of carbon disulfide and hydrogen sulfide. The result was conformed to be actinium(III) sulfide by x-ray diffraction.^[3]

Actinium(III) sulfide^[1]

Names
Other names Diactinium trisulfide
Identifiers
CAS Number	50647-18-2
3D model (JSmol)	Interactive image
InChI InChI=1S/2Ac.3S/q2*+3;3*-2 Key: FBGRPVYTNBFOJK-UHFFFAOYSA-N
SMILES [S-2].[S-2].[S-2].[Ac+3].[Ac+3]
Properties
Chemical formula	Ac2S3
Molar mass	550.254 g/mol
Density	6.75 g/cm3
Structure
Crystal structure	Cubic, cl28[2]
Related compounds
Other anions	Actinium(III) oxide
Other cations	Lanthanum(III) sulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references