A rational synthesis of ladder-like motif in zinc-methylphosphonate from a preformed coordination assembly

Ravi Shankar, Swati Mendiratta, Ekta Jakhar, Rohit Singh, Amanpreet Kaur Jassal, Gabriele Kociok-Köhn

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The study describes the synthesis of new hybrid zinc phosphonates, {Zn(O3PMe)(4,4′-bipy)0.5}·2H2O (2), {Zn(O3PMe)(1,2-bpe)0.5}·H2O (3) and Zn(O3PMe)(Im) (4) [4,4′-bipyridine (4,4′-bipy), 1,2-bis(4-pyridyl)ethane (1,2-bpe) and imidazole (Im)] by hydro(solvo)thermal reaction (140–150 °C, 3 days) of a preformed coordination polymer, zinc bis(O-methyl methylphosphonate), Zn{OP(O)(OMe)Me}2 (1) with an appropriate N-donor ligand. X-ray crystallographic studies reveal structural transformation of a linear chain zinc-phosphonate framework in 1 to a ladder motif in 2–4 which is constructed by corner sharing of ZnO3N and CPO3 tetrahedra. For 2 and 3, the bifunctional N-donor ligands act as linkers to afford the formation of a layered structure. The lattice water molecules in 2 form an infinite array of cyclic tetramers via O–H⋯O2(P) hydrogen bonding interactions and occupy the interlayer region.

Original languageEnglish
Pages (from-to)681-686
Number of pages6
JournalInorganica Chimica Acta
Volume482
Early online date10 Jul 2018
DOIs
Publication statusPublished - 1 Oct 2018

Keywords

  • Hydro(solvo)thermal
  • Ladder framework
  • Methylphosphonate
  • Zinc

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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