Bis[tris-(pyridin-2-yl)amine]-iron(II) tris-(di-cyano-methyl-idene)methane-diide

Zouaoui Setifi; Fatima Setifi; Necmi Dege; Mohammed Hadi Al-Douh; Christopher Glidewell

doi:10.1107/S241431462001278X

Bis[tris-(pyridin-2-yl)amine]-iron(II) tris-(di-cyano-methyl-idene)methane-diide

IUCrdata. 2020 Sep 25;5(Pt 9):x201278. doi: 10.1107/S241431462001278X. eCollection 2020 Sep.

Authors

Zouaoui Setifi^{1

2}, Fatima Setifi², Necmi Dege³, Mohammed Hadi Al-Douh⁴, Christopher Glidewell⁵

Affiliations

¹ Département de Technologie, Faculté de Technologie, Université 20 Août 1955-Skikda, BP 26, Route d'El-Hadaiek, Skikda 21000, Algeria.
² Laboratoire de Chimie, Ingénierie Moléculaire et Nanostructures (LCIMN), Université Ferhat Abbas Sétif 1, Sétif 19000, Algeria.
³ Ondokuz Mayıs University, Arts and Sciences Faculty, Department of Physics, 55139 Atakum-Samsun, Turkey.
⁴ Chemistry Department, Faculty of Science, Hadhramout University, Mukalla, Hadhramout, Yemen.
⁵ School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.

Abstract

In the title compound, [Fe{(C₅H₄N)₃N}₂][C{C(CN)₂}₃], both ions lie across centres of inversion, with the anion being statistically disordered over two sets of atomic sites having equal occupancy. The cation and anion have approximate and 32 symmetry, respectively, and the Fe-N bond lengths indicate low-spin Fe^II. A combination of two-centre C-H⋯N and three-centre C-H⋯(N)₂ hydrogen bonds link the ions into complex sheets. Several low-occupancy water mol-ecules are present, whose H atoms could not be located: accordingly, the reflection data were subjected to the SQUEEZE procedure [Spek (2015 ▸). Acta Cryst. C71, 9-18].

Keywords: crystal structure; disorder; molecular structure; synthesis.

Grants and funding

FS gratefully acknowledges the Algerian MESRS (Ministére de l’Enseignement Supérieur et de la Recherche Scientifique), the DGRSDT (Direction Générale de la Recherche Scientifique et du Développement Technologique), as well as the Université Ferhat Abbas Sétif 1 for financial support.