Isolation of a sulphur-rich indium polysulphide complex containing two different Sx 2- ligands. Synthesis and structure of [InS10Br]2-

Sandeep Dhingra, Mercouri G Kanatzidis

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Abstract

The reaction of InBr3 with K2S5 (or K2S4 and K2S6) and Ph4PBr afforded yellow (Ph4P)2[In(S4)(S6)Br] (I). Complex I crystallizes in the monoclinic space group P21/c with a = 14.355(7), b = 17.723(4), c = 20.974(7) Å, β = 108.5(1)°, V = 5060.6(4) Å3 (at 23°C), Z = 4. The [In(S4)(S6)Br]2- anion features a trigonal bipyramidal indium centre coordinated by four sulphur atoms and one bromine atom. The latter occupies an axial position. The In3+ centre is chelated by two bidentate polysulphide S4 2- and S6 2- ligands. The S6 2- ligand occupies two equatorial positions. The remaining one equatorial and one axial positions are occupied by the S4 2- ligand. The average In-S distance is 2.535(35) Å. The In-Br distance is 2.615(3) Å. Complex I shows no absorptions in the UV-vis spectrum. Two strong absorptions at 490 and 457 cm-1 in the IR spectrum are attributed to S-S vibrations.

Original languageEnglish
Pages (from-to)1069-1073
Number of pages5
JournalPolyhedron
Volume10
Issue number10
DOIs
Publication statusPublished - 1991

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polysulfides
Polysulfides
Indium
Sulfur
indium
S 6
isolation
sulfur
Ligands
ligands
synthesis
Bromine
Atoms
bromine
Vibration
Anions
atoms
Negative ions
anions
vibration

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Isolation of a sulphur-rich indium polysulphide complex containing two different Sx 2- ligands. Synthesis and structure of [InS10Br]2- . / Dhingra, Sandeep; Kanatzidis, Mercouri G.

In: Polyhedron, Vol. 10, No. 10, 1991, p. 1069-1073.

Research output: Contribution to journalArticle

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abstract = "The reaction of InBr3 with K2S5 (or K2S4 and K2S6) and Ph4PBr afforded yellow (Ph4P)2[In(S4)(S6)Br] (I). Complex I crystallizes in the monoclinic space group P21/c with a = 14.355(7), b = 17.723(4), c = 20.974(7) {\AA}, β = 108.5(1)°, V = 5060.6(4) {\AA}3 (at 23°C), Z = 4. The [In(S4)(S6)Br]2- anion features a trigonal bipyramidal indium centre coordinated by four sulphur atoms and one bromine atom. The latter occupies an axial position. The In3+ centre is chelated by two bidentate polysulphide S4 2- and S6 2- ligands. The S6 2- ligand occupies two equatorial positions. The remaining one equatorial and one axial positions are occupied by the S4 2- ligand. The average In-S distance is 2.535(35) {\AA}. The In-Br distance is 2.615(3) {\AA}. Complex I shows no absorptions in the UV-vis spectrum. Two strong absorptions at 490 and 457 cm-1 in the IR spectrum are attributed to S-S vibrations.",
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N2 - The reaction of InBr3 with K2S5 (or K2S4 and K2S6) and Ph4PBr afforded yellow (Ph4P)2[In(S4)(S6)Br] (I). Complex I crystallizes in the monoclinic space group P21/c with a = 14.355(7), b = 17.723(4), c = 20.974(7) Å, β = 108.5(1)°, V = 5060.6(4) Å3 (at 23°C), Z = 4. The [In(S4)(S6)Br]2- anion features a trigonal bipyramidal indium centre coordinated by four sulphur atoms and one bromine atom. The latter occupies an axial position. The In3+ centre is chelated by two bidentate polysulphide S4 2- and S6 2- ligands. The S6 2- ligand occupies two equatorial positions. The remaining one equatorial and one axial positions are occupied by the S4 2- ligand. The average In-S distance is 2.535(35) Å. The In-Br distance is 2.615(3) Å. Complex I shows no absorptions in the UV-vis spectrum. Two strong absorptions at 490 and 457 cm-1 in the IR spectrum are attributed to S-S vibrations.

AB - The reaction of InBr3 with K2S5 (or K2S4 and K2S6) and Ph4PBr afforded yellow (Ph4P)2[In(S4)(S6)Br] (I). Complex I crystallizes in the monoclinic space group P21/c with a = 14.355(7), b = 17.723(4), c = 20.974(7) Å, β = 108.5(1)°, V = 5060.6(4) Å3 (at 23°C), Z = 4. The [In(S4)(S6)Br]2- anion features a trigonal bipyramidal indium centre coordinated by four sulphur atoms and one bromine atom. The latter occupies an axial position. The In3+ centre is chelated by two bidentate polysulphide S4 2- and S6 2- ligands. The S6 2- ligand occupies two equatorial positions. The remaining one equatorial and one axial positions are occupied by the S4 2- ligand. The average In-S distance is 2.535(35) Å. The In-Br distance is 2.615(3) Å. Complex I shows no absorptions in the UV-vis spectrum. Two strong absorptions at 490 and 457 cm-1 in the IR spectrum are attributed to S-S vibrations.

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