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
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. Bibcode:1949AcCry...2..388Z. 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. Bibcode:1949AcCry...2..388Z. 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.

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