The unique structure of [(C4H9)4N]3[Pb(NO3)5]—one step forward in understanding transport properties in tetra-n-butylammonium-based solid electrolytes

Nargiz B. Asanbaeva, Denis A. Rychkov, Pavel Yu Tyapkin, Sergey G. Arkhipov, Nikolay F. Uvarov

Research output: Contribution to journalArticlepeer-review

Abstract

The crystal and molecular structure of tris(tetrabutylammonium) pentanitratoplumbate(II) was determined and characterized by single-crystal and powder X-ray diffraction and IR spectroscopy. The structure is compared to other tetra-n-butylammonium-based metal complexes with inorganic ligands, showing a significant difference in space group and local surroundings. The Pb2+ cation is surrounded by five NO3 groups, forming a stable complex only in the crystal field. Part of (C4H9)4N+ cations are distorted significantly changing geometry from tetrahedra to almost flat (square) at room temperature. Discussion on possible reorientational motion of organic groups at high temperatures and its influence on ion transport processes within the crystal structure of tetra-n-butylammonium-based organic ionic plastic crystals is provided.

Original languageEnglish
JournalStructural Chemistry
DOIs
Publication statusAccepted/In press - 2021

Keywords

  • Crystal structure
  • High-temperature conductivity
  • Organic ionic plastic crystals
  • Tetra-n-butylammonium
  • Tris(tetrabutylammonium) pentanitratoplumbate(II)

OECD FOS+WOS

  • 1.04.DY CHEMISTRY, MULTIDISCIPLINARY
  • 1.04.EI CHEMISTRY, PHYSICAL
  • 1.04.FI CRYSTALLOGRAPHY
  • 1.03.UK PHYSICS, CONDENSED MATTER

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