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The first Fe(II) complex bearing end-to-end dicyanamide as a double bridging ligand: crystallography study and Hirshfeld surface analysis; completed with a CSD survey

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Open Access Status

  • Embargoed (until 17/07/19)

Author(s)

Zouaoui Setifi, David Geiger, Christian Jelsch, Thierry Maris, Christopher Glidewell, Masoud Mirzaei, Mina Arefian, Fatima Setifi

School/Research organisations

Abstract

Two new polymeric, one and two-dimensional compounds [Fe(dmbpy) (μ1,5-dca)2] (1) and [Fe(4,4′-bpy) (μ1,5-dca)2].0.24(4,4′-bpy).0.5(EtOH) (2), in which dmbpy = 5,5′-dimethyl-bipyridine, dca = dicyanamide and 4,4′-bpy = 4,4′-bipyridine, has been synthesized under solvothermal conditions and fully characterized by elemental analysis, FT-IR spectroscopy and X-ray single crystal diffraction. Compound 1, with a rare coordination environment, is the only well-known example in which end-to-end double bridged dca ligands and a bidentate bulky aromatic ligand (dmbpy) are coordinated simultaneously to the iron center. Structural analysis of compound 2 showed it is a novel two-dimensional coordination polymer, constructed from repetition of 4,4′-bpy and dca as a bidentate bridging ligand. Changing the co-ligand to 4,4′-bpy, lead to completely different structure geometry and network, which confirms the substantial effect of co-ligand. Furthermore, Hirshfeld surfaces analyses have been performed to help understand the packing.
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Details

Original languageEnglish
Pages (from-to)697-706
Number of pages10
JournalJournal of Molecular Structure
Volume1173
Early online date17 Jul 2018
DOIs
StatePublished - 5 Dec 2018

    Research areas

  • Crystal engineering, Iron, Dicyanamide, Double bridge, Hirshfeld surface analysis

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