1-D, 2-D and 3-D coordination polymers assembled from polynuclear Co II units based on the isophthalate(-2) ligand

Eun Young Kim, Young Joo Song, Hyo Geun Koo, Ju Hoon Lee, Hyun Min Park, Cheal Kim, Tae Hwan Kwon, Seong Huh, Sung Jin Kim, Youngmee Kim

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Three polymeric complexes containing polynuclear CoII units, [Co2(Cbtp)2(ip)2] (1), [N(CH3) 4]2[Co3(ip)4] (2), and [{Co 7(ip)5(μ-OH)4}(μ-bpp)2] ·2(H2O) (3), have been prepared by solvothermal synthesis. Isophthalic acid (H2ip) has been used for the construction of polynuclear CoII units, and three auxiliary ligands, namely Cbtp, quinazoline, and bpp, have also been employed to change nuclearity of Co II unit and the dimensionality of polymeric CoII compounds: 1-D structure containing dinuclear CoII units with Cbtp, 2-D structure containing trinuclear CoII units without quinazoline, and 3-D structure containing heptanuclear CoII units with bpp. The gas sorption study of 3 revealed a relative high uptake of CO2 over N2 because of small dimension of channels. The thermal stabilities and magnetic properties of these complexes were also examined.

Original languageEnglish
Pages (from-to)3335-3341
Number of pages7
JournalPolyhedron
Volume29
Issue number18
DOIs
StatePublished - 7 Dec 2010

Keywords

  • Co complexes
  • Coordination polymers
  • Gas sorption
  • Isophthalic acid
  • Polynuclear Co units

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