Eu3(AsS4)2 and AxEu 3-yAs5-zS10 (A = Li, Na)

Compounds with simple and complex thioarsenate building blocks

Tarun K. Bera, Ratnasabapathy G. Iyer, Christos D. Malliakas, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Eu3(AsS4)2 and AxEu 3-yAs5-zS10 (A = Li, Na) are the members of a new thioarsenate family. They feature As5+ and As3+ centers, respectively. The rhombohedral Eu3(AsS4) 2 features a new structure type consisting of eight-coordinate Eu2+ centers and AsS4 3- anions, whereas the monoclinic AxEu3-yAs5-zS10 (Li 0.73Eu3As4.43S10 and Na 0.66Eu2.86As4.54S10) belong to the rathite sulfosalt family and are comprised of apparent [As10S 20]10- segments linked with Eu2+ ions to give a three-dimensional network. They appear to be alkali-metal-stabilized derivatives of the putative parent phase "Eu3-As 5S10".

Original languageEnglish
Pages (from-to)8466-8468
Number of pages3
JournalInorganic Chemistry
Volume46
Issue number21
DOIs
Publication statusPublished - Oct 15 2007

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Alkali Metals
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  • Inorganic Chemistry

Cite this

Eu3(AsS4)2 and AxEu 3-yAs5-zS10 (A = Li, Na) : Compounds with simple and complex thioarsenate building blocks. / Bera, Tarun K.; Iyer, Ratnasabapathy G.; Malliakas, Christos D.; Kanatzidis, Mercouri G.

In: Inorganic Chemistry, Vol. 46, No. 21, 15.10.2007, p. 8466-8468.

Research output: Contribution to journalArticle

Bera, Tarun K. ; Iyer, Ratnasabapathy G. ; Malliakas, Christos D. ; Kanatzidis, Mercouri G. / Eu3(AsS4)2 and AxEu 3-yAs5-zS10 (A = Li, Na) : Compounds with simple and complex thioarsenate building blocks. In: Inorganic Chemistry. 2007 ; Vol. 46, No. 21. pp. 8466-8468.
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AB - Eu3(AsS4)2 and AxEu 3-yAs5-zS10 (A = Li, Na) are the members of a new thioarsenate family. They feature As5+ and As3+ centers, respectively. The rhombohedral Eu3(AsS4) 2 features a new structure type consisting of eight-coordinate Eu2+ centers and AsS4 3- anions, whereas the monoclinic AxEu3-yAs5-zS10 (Li 0.73Eu3As4.43S10 and Na 0.66Eu2.86As4.54S10) belong to the rathite sulfosalt family and are comprised of apparent [As10S 20]10- segments linked with Eu2+ ions to give a three-dimensional network. They appear to be alkali-metal-stabilized derivatives of the putative parent phase "Eu3-As 5S10".

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