Bis[tris(pyridin-2-yl)amine]iron(II) tris(dicyanomethylidene)methanediide

FS gratefully acknowledges the Algerian MESRS (Ministere de l’Enseignement Superieur et de la Recherche Scientifique), the DGRSDT (Direction Generale de la Recherche Scientifique et du Developpement Technologique), as well as the Universite Ferhat Abbas Setif 1 for financial support.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 3 and 32 symmetry, respectively, and the Fe---N bond lengths indicate low-spin FeII. 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 molecules 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].Publisher PDFPeer reviewe