Syntheses and structures of piperazin-1-ium it ABr2 (it A = Cs or Rb): hybrid solids containing `curtain wall' layers of face- and edge-sharing it ABr6 trigonal prisms

Kirstie A. Rickaby; Alexandra M. Z. Slawin; William T. A. Harrison

doi:10.1107/S2056989019010375

Syntheses and structures of piperazin-1-ium it ABr₂ (it A = Cs or Rb): hybrid solids containing `curtain wall' layers of face- and edge-sharing it ABr6 trigonal prisms

Kirstie A. Rickaby, Alexandra M. Z. Slawin, William T. A. Harrison^* (Corresponding Author)

^*Corresponding author for this work

Chemistry

University of St Andrews

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Abstract

The isostructural title compounds, poly[piperazin-1-ium [di-μ-bromido-caesium]], {(C₄H₁₁N₂)[CsBr₂]}n, and poly[piperazin-1-ium [di-μ-bromido-rubidium]], {(C₄H₁₁N₂)[RbBr₂]}_n, contain singly-protonated piperazin-1-ium cations and unusual ABr₆ (A = Cs or Rb) trigonal prisms. The prisms are linked into a distinctive `curtain wall' arrangement propagating in the (010) plane by face and edge sharing. In each case, a network of N—H⋯N, N—H⋯Br and N—H⋯(Br,Br) hydrogen bonds consolidates the structure.

Original language	English
Pages (from-to)	1249-1252
Number of pages	4
Journal	Acta Crystallographica Section E: Crystallographic Communications
Volume	75
Issue number	8
Early online date	26 Jul 2019
DOIs	https://doi.org/10.1107/S2056989019010375
Publication status	Published - 1 Aug 2019

Keywords

crystal structure
hybrid solid
caesium
rubidium
trigonal prism

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Syntheses and structures of piperazin-1-ium ABr2 (A = Cs or Rb): hybrid solids containing `curtain wall' layers of face- and edge-sharing ABr6 trigonal prisms
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Syntheses and structures of piperazin-1-ium it ABr₂ (it A = Cs or Rb): hybrid solids containing `curtain wall' layers of face- and edge-sharing it ABr6 trigonal prisms. / Rickaby, Kirstie A.; Slawin, Alexandra M. Z.; Harrison, William T. A. (Corresponding Author).
In: Acta Crystallographica Section E: Crystallographic Communications, Vol. 75, No. 8, 01.08.2019, p. 1249-1252.

Research output: Contribution to journal › Article › peer-review

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title = "Syntheses and structures of piperazin-1-ium it ABr2 (it A = Cs or Rb): hybrid solids containing `curtain wall' layers of face- and edge-sharing it ABr6 trigonal prisms",

abstract = "The isostructural title compounds, poly[piperazin-1-ium [di-μ-bromido-caesium]], {(C4H11N2)[CsBr2]}n, and poly[piperazin-1-ium [di-μ-bromido-rubidium]], {(C4H11N2)[RbBr2]}n, contain singly-protonated piperazin-1-ium cations and unusual ABr6 (A = Cs or Rb) trigonal prisms. The prisms are linked into a distinctive `curtain wall' arrangement propagating in the (010) plane by face and edge sharing. In each case, a network of N—H⋯N, N—H⋯Br and N—H⋯(Br,Br) hydrogen bonds consolidates the structure.",

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AB - The isostructural title compounds, poly[piperazin-1-ium [di-μ-bromido-caesium]], {(C4H11N2)[CsBr2]}n, and poly[piperazin-1-ium [di-μ-bromido-rubidium]], {(C4H11N2)[RbBr2]}n, contain singly-protonated piperazin-1-ium cations and unusual ABr6 (A = Cs or Rb) trigonal prisms. The prisms are linked into a distinctive `curtain wall' arrangement propagating in the (010) plane by face and edge sharing. In each case, a network of N—H⋯N, N—H⋯Br and N—H⋯(Br,Br) hydrogen bonds consolidates the structure.

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KW - rubidium

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Syntheses and structures of piperazin-1-ium it ABr₂ (it A = Cs or Rb): hybrid solids containing `curtain wall' layers of face- and edge-sharing it ABr6 trigonal prisms

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