Syntheses and structures of piperazin-1-ium A Br 2 ( A = Cs or Rb): hybrid solids containing 'curtain wall' layers of face- and edge-sharing A Br 6 trigonal prisms

The isostructural title compounds, poly[piperazin-1-ium [di-μ-bromido-caesium]], {(C H N )[CsBr ]} , and poly[piperazin-1-ium [di-μ-bromido-rubidium]], {(C H N )[RbBr ]} , contain singly-protonated piperazin-1-ium cations and unusual Br ( = Cs or Rb) trigonal prisms. The prisms are linked into a dis...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2019-08, Vol.75 (Pt 8), p.1249-1252
Main Authors: Rickaby, Kirstie A, Slawin, Alexandra M Z, Harrison, William T A
Format: Article
Language:English
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Summary:The isostructural title compounds, poly[piperazin-1-ium [di-μ-bromido-caesium]], {(C H N )[CsBr ]} , and poly[piperazin-1-ium [di-μ-bromido-rubidium]], {(C H N )[RbBr ]} , contain singly-protonated piperazin-1-ium cations and unusual Br ( = 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.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989019010375