Actinium(III) sulfide

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

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]

References

"Diactinium trisulphide". WebElements. Retrieved 16 April 2021.
Zachariasen, W. H. (1949). "Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types". Acta Crystallographica. 2 (6): 388–390. doi:10.1107/S0365110X49001016.
the University of Michigan (1948). The Preparation of Actinium Compounds. U.S. Atomic Energy Commission, Technical Information Division. p. 4. Retrieved 16 April 2021.

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[1] "Diactinium trisulphide". WebElements. Retrieved 16 April 2021.

[2] Zachariasen, W. H. (1949). "Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types". Acta Crystallographica. 2 (6): 388–390. doi:10.1107/S0365110X49001016.

[3] the University of Michigan (1948). The Preparation of Actinium Compounds. U.S. Atomic Energy Commission, Technical Information Division. p. 4. Retrieved 16 April 2021.