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Belamri Y, Setifi F, Francuski BM, et al. Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate. Acta Crystallogr Sect E Struct Rep Online. 2014;70:544-6doi: 10.1107/S1600536814024982.
Belamri, Y., Setifi, F., Francuski, B. M., Novaković, S. B., & Zouaoui, S. (2014). Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate. Acta crystallographica. Section E, Structure reports online, 70544-6. https://doi.org/10.1107/S1600536814024982
Belamri, Yamine, et al. "Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate." Acta crystallographica. Section E, Structure reports online vol. 70 (2014): 544-6. doi: https://doi.org/10.1107/S1600536814024982
Belamri Y, Setifi F, Francuski BM, Novaković SB, Zouaoui S. Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate. Acta Crystallogr Sect E Struct Rep Online. 2014 Nov 21;70:544-6. doi: 10.1107/S1600536814024982. eCollection 2014 Dec 01. PMID: 25552988; PMCID: PMC4257445.
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Acta Crystallogr Sect E Struct Rep Online. 2014 Nov 21;70:544-6. doi: 10.1107/S1600536814024982. eCollection 2014 Dec 01.

Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate.

Acta crystallographica. Section E, Structure reports online

Yamine Belamri, Fatima Setifi, Bojana M Francuski, Sladjana B Novaković, Setifi Zouaoui

Affiliations

  1. Laboratoire de Chimie, Ingénierie Moléculaire et Nanostructures (LCIMN), Université Ferhat Abbas Sétif 1, Sétif 19000, Algeria.
  2. Vin?a Institute of Nuclear Sciences, Laboratory of Theoretical Physics and Condensed Matter Physics, PO Box 522, University of Belgrade, 11001 Belgrade, Serbia.
  3. Département de Technologie, Faculté de Technologie, Université 20 Août 1955-Skikda, BP 26, Route d'El-Hadaiek, Skikda 21000, Algeria ; Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université Constantine 1, Constantine 25000, Algeria.

PMID: 25552988 PMCID: PMC4257445 DOI: 10.1107/S1600536814024982

Abstract

In the title compound, [Fe(C12H12N2)(H2O)4]SO4, the central Fe(II) ion is coordinated by two N atoms from the 5,5'-dimethyl-2,2'-bi-pyridine ligand and four water O atoms in a distorted octa-hedral geometry. The Fe-O coordination bond lengths vary from 2.080 (3) to 2.110 (3) Å, while the two Fe-N coordination bonds have practically identical lengths [2.175 (3) and 2.177 (3) Å]. The chelating N-Fe-N angle of 75.6 (1)° shows the largest deviation from an ideal octa-hedral geometry; the other coordination angles deviate from ideal values by 0.1 (1) to 9.1 (1)°. O-H⋯O hydrogen bonding between the four aqua ligands of the cationic complex and four O-atom acceptors of the anion leads to the formation of layers parallel to the ab plane. Neighbouring layers further inter-act by means of C-H⋯O and π-π inter-actions involving the laterally positioned bi-pyridine rings. The perpen-dicular distance between π-π inter-acting rings is 3.365 (2) Å, with a centroid-centroid distance of 3.702 (3) Å.

Keywords: 5,5′-dimethyl-2,2′-dipyrid­yl; bi­pyridine ligand; crystal structure; hydrogen bonding; sulfate; tetra­aqua­iron(II) complex; π–π inter­actions

References

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