Polythioantimonate flux synthesis of the low-dimensional compounds A2AuSbS4 (A=Rb, Cs)

Jason A. Hanko; Mercouri G. Kanatzidis

doi:10.1016/S0925-8388(98)00695-1

Polythioantimonate flux synthesis of the low-dimensional compounds A₂AuSbS₄ (A=Rb, Cs)

Jason A. Hanko, Mercouri G. Kanatzidis^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article

9 Scopus citations

Abstract

The reaction of Au with a molten mixture of A₂S/Sb/S (A=Rb, Cs) produced the isostructural quaternary compounds A₂AuSbS₄. The yellow-brown crystals of Rb₂AuSbS₄ (I) and yellow crystals of Cs₂AuSbS₄ (II) are stable in air and water for several days and for over a month for I and II, respectively. The structure of Rb₂AuSbS₄ crystallizes in the space group Pbcm (#57) and at 23°C a=6.804(3) Å, b=20.127(4) Å, c=7.195(4) Å, V=985(1) Å³, Z=8. Final R/R_w =4.5/6.6%. This structure consists of one-dimensional [AuSbS₄]^2n-_n chains separated by A⁺ cations. The chains are comprised of Au⁺ cations linearly coordinated to [SbS₄]^3- tetrahedra. The compounds were characterized with differential thermal analysis (DTA), far-IR, Raman, and solid-state UV/vis diffuse reflectance spectroscopy.

Original language	English (US)
Pages (from-to)	71-76
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	280
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(98)00695-1
State	Published - Oct 23 1998

Keywords

Polythioantimonate flux synthesis

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/S0925-8388(98)00695-1

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title = "Polythioantimonate flux synthesis of the low-dimensional compounds A2AuSbS4 (A=Rb, Cs)",

abstract = "The reaction of Au with a molten mixture of A2S/Sb/S (A=Rb, Cs) produced the isostructural quaternary compounds A2AuSbS4. The yellow-brown crystals of Rb2AuSbS4 (I) and yellow crystals of Cs2AuSbS4 (II) are stable in air and water for several days and for over a month for I and II, respectively. The structure of Rb2AuSbS4 crystallizes in the space group Pbcm (#57) and at 23°C a=6.804(3) {\AA}, b=20.127(4) {\AA}, c=7.195(4) {\AA}, V=985(1) {\AA}3, Z=8. Final R/Rw =4.5/6.6%. This structure consists of one-dimensional [AuSbS4]2n-n chains separated by A+ cations. The chains are comprised of Au+ cations linearly coordinated to [SbS4]3- tetrahedra. The compounds were characterized with differential thermal analysis (DTA), far-IR, Raman, and solid-state UV/vis diffuse reflectance spectroscopy.",

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author = "Hanko, {Jason A.} and Kanatzidis, {Mercouri G.}",

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Y1 - 1998/10/23

N2 - The reaction of Au with a molten mixture of A2S/Sb/S (A=Rb, Cs) produced the isostructural quaternary compounds A2AuSbS4. The yellow-brown crystals of Rb2AuSbS4 (I) and yellow crystals of Cs2AuSbS4 (II) are stable in air and water for several days and for over a month for I and II, respectively. The structure of Rb2AuSbS4 crystallizes in the space group Pbcm (#57) and at 23°C a=6.804(3) Å, b=20.127(4) Å, c=7.195(4) Å, V=985(1) Å3, Z=8. Final R/Rw =4.5/6.6%. This structure consists of one-dimensional [AuSbS4]2n-n chains separated by A+ cations. The chains are comprised of Au+ cations linearly coordinated to [SbS4]3- tetrahedra. The compounds were characterized with differential thermal analysis (DTA), far-IR, Raman, and solid-state UV/vis diffuse reflectance spectroscopy.

AB - The reaction of Au with a molten mixture of A2S/Sb/S (A=Rb, Cs) produced the isostructural quaternary compounds A2AuSbS4. The yellow-brown crystals of Rb2AuSbS4 (I) and yellow crystals of Cs2AuSbS4 (II) are stable in air and water for several days and for over a month for I and II, respectively. The structure of Rb2AuSbS4 crystallizes in the space group Pbcm (#57) and at 23°C a=6.804(3) Å, b=20.127(4) Å, c=7.195(4) Å, V=985(1) Å3, Z=8. Final R/Rw =4.5/6.6%. This structure consists of one-dimensional [AuSbS4]2n-n chains separated by A+ cations. The chains are comprised of Au+ cations linearly coordinated to [SbS4]3- tetrahedra. The compounds were characterized with differential thermal analysis (DTA), far-IR, Raman, and solid-state UV/vis diffuse reflectance spectroscopy.

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