Layered porphyrin coordination polymers based on zinc⋯nitro recognition: Reversible intercalation of nitrobenzene

Salimgerey Adilov, Venkat R. Thalladi

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A new coordination synthon, Zn⋯NO2 recognition, is used in the synthesis of a layered porphyrin coordination polymer (Zn-5,15-di(4-nitrophenyl)-10,20-di(p-tolyl)-porphyrin, 1-Zn) with 44 topology. This solid is thermally stable and incorporates nitrobenzene molecules between the layers to form 1-Zn-PhNO2. The Zn⋯NO2 recognition exists in 1-Zn and 1-Zn - PhNO2; it is formed by coordination bonding between a Zn2- ion embedded in a porphyrin core and one of the O-atoms of the nitro group. The structure of 1-Zn-PhNO2 is also layered and contains 44 networks such as those found in 1-Zn. The two structures, however, differ significantly in several intra- and interlayer parameters. Despite these differences, removal of nitrobenzene from the crystals of 1-Zn-PhNO2 yields crystalline 1-Zn. When soaked in nitrobenzene, these desolvated 1-Zn crystals yield crystalline 1-Zn-PhNO2. These reversible solid-to-solid transformations demonstrate the robustness of Zn⋯NO2 recognition in holding the 44 networks together in the solid state.

Original languageEnglish
Pages (from-to)481-484
Number of pages4
JournalCrystal Growth and Design
Volume7
Issue number3
DOIs
Publication statusPublished - Mar 2007
Externally publishedYes

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Nitrobenzene
nitrobenzenes
Porphyrins
Intercalation
coordination polymers
porphyrins
intercalation
Polymers
Crystalline materials
Crystals
crystals
interlayers
topology
solid state
Topology
Ions
synthesis
Atoms
Molecules
atoms

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Layered porphyrin coordination polymers based on zinc⋯nitro recognition : Reversible intercalation of nitrobenzene. / Adilov, Salimgerey; Thalladi, Venkat R.

In: Crystal Growth and Design, Vol. 7, No. 3, 03.2007, p. 481-484.

Research output: Contribution to journalArticle

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