Synthesis and Crystal Structure of Coordination Polymer [Sc 2 (HOCH 2 CH 2 OH) 4 (tFBDC) 3 ] · 2HOCH 2 CH 2 OH

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Abstract

The heating of a mixture of as-precipitated scandium hydroxide and tetrafluoroterephthalic acid in ethylene glycol leads to the formation of the complex [Sc 2 (HOCH 2 CH 2 OH) 4 (tFBDC) 3 ]·2HOCH 2 CH 2 OH (tFBDC 2− = tetrafluoroterephthalate) (1). According to the X-ray data, compound 1 is a chain coordination polymer. Sc(III) cations and tFBDC 2− anions form double chains (ribbons). The coordination number of Sc(III) is completed to seven by ethylene glycol molecules acting as chelate ligands. There is a complex system of hydrogen bonding interactions induced by oxygen atoms of carboxylic groups of perfluorinated ligands and coordinated and lattice ethylene glycol.

Original languageEnglish
Pages (from-to)289-293
Number of pages5
JournalJournal of Structural Chemistry
Volume60
Issue number2
DOIs
Publication statusPublished - 1 Feb 2019

Keywords

  • crystal structure
  • metal-organic coordination polymer
  • scandium complexes
  • tetrafluoroterephthalic acid
  • FRAMEWORKS

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