Divalent nickel and monovalent copper pseudohalide coordination polymers incorporating the kinked organodiimine 4,4′-dipyridylamine

From a (4,4)-type lamellar motif to an unprecedented staircase morphology

Warren R. Knapp, Justin G. Thomas, David P. Martin, Maxwell A. Braverman, Ryan Trovitch, Robert L. LaDuca

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The divalent nickel isothiocyanate coordination polymer [Ni(NCS) 2(dpa)2] (1) has been prepared in high yield via the hydrothermal combination of Ni(SCN)2 with the kinked tethering ligand 4,4′-dipyridylamine (dpa), and characterized via single crystal X-ray diffraction, infrared spectroscopy and elemental and thermal analysis. 1 manifests offset stacked 2-D (4,4)-topology layered motifs organized into 3-D via interlamellar supramolecular N-H⋯S hydrogen bonding. Hydrothermal reaction of CuCl2·2H2O, NaSCN, and dpa afforded the copper (1) thiocyanate coordination polymer [Cu2(SCN) 2(dpa)] (2), whose single crystal structure revealed unprecedented 1-D [Cu2(SCN)2] zig-zag staircase motifs constructed via connection of the Cu2S2 "stair steps" at their adjacent sides via μ3-1,1,3-SCN anions. The 3-D structure of 2 is propagated by covalent linkage of each [Cu2(SCN)2] staircase to four others through dipodal dpa tethering ligands, enhanced by N-H⋯S and C-H⋯S supramolecular interactions to two other staircases.

Original languageEnglish
Pages (from-to)575-581
Number of pages7
JournalZeitschrift fur Anorganische und Allgemeine Chemie
Volume633
Issue number4
DOIs
Publication statusPublished - 2007

Fingerprint

Nickel
Copper
Polymers
Single crystals
Ligands
Stairs
Thermoanalysis
Anions
Infrared spectroscopy
Hydrogen bonds
Crystal structure
Topology
X ray diffraction
Chemical analysis
isothiocyanic acid
thiocyanate
sodium thiocyanate

Keywords

  • Coordination polymer
  • Copper
  • Crystal structure
  • Hydrothermal synthesis
  • Isothiocyanate
  • Nickel
  • Thermogravimetric analysis
  • Thiocyanate

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

Divalent nickel and monovalent copper pseudohalide coordination polymers incorporating the kinked organodiimine 4,4′-dipyridylamine : From a (4,4)-type lamellar motif to an unprecedented staircase morphology. / Knapp, Warren R.; Thomas, Justin G.; Martin, David P.; Braverman, Maxwell A.; Trovitch, Ryan; LaDuca, Robert L.

In: Zeitschrift fur Anorganische und Allgemeine Chemie, Vol. 633, No. 4, 2007, p. 575-581.

Research output: Contribution to journalArticle

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abstract = "The divalent nickel isothiocyanate coordination polymer [Ni(NCS) 2(dpa)2] (1) has been prepared in high yield via the hydrothermal combination of Ni(SCN)2 with the kinked tethering ligand 4,4′-dipyridylamine (dpa), and characterized via single crystal X-ray diffraction, infrared spectroscopy and elemental and thermal analysis. 1 manifests offset stacked 2-D (4,4)-topology layered motifs organized into 3-D via interlamellar supramolecular N-H⋯S hydrogen bonding. Hydrothermal reaction of CuCl2·2H2O, NaSCN, and dpa afforded the copper (1) thiocyanate coordination polymer [Cu2(SCN) 2(dpa)] (2), whose single crystal structure revealed unprecedented 1-D [Cu2(SCN)2] zig-zag staircase motifs constructed via connection of the Cu2S2 {"}stair steps{"} at their adjacent sides via μ3-1,1,3-SCN anions. The 3-D structure of 2 is propagated by covalent linkage of each [Cu2(SCN)2] staircase to four others through dipodal dpa tethering ligands, enhanced by N-H⋯S and C-H⋯S supramolecular interactions to two other staircases.",
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