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(Nitrato-κO)bis-[5-(pyridin-2-yl)pyrazine-2-carbonitrile-κN,N]silver(I)

(Nitrato-κO)bis-[5-(pyridin-2-yl)pyrazine-2-carbonitrile-κN,N]silver(I)

Fan Zhang, Yong-Li Yang

Acta Crystallogr Sect E Struct Rep Online. 2011 Dec 1;67(Pt 12):m1863.

PMID: 22199631

Abstract:

In the mononuclear title complex, [Ag(NO(3))(C(10)H(6)N(4))(2)], two κ(2)N:N'-chelating 5-(pyridin-2-yl)pyrazine-2-carbonitrile ligands surround the Ag(I) atom, forming an N(4)O square-pyramidal coordination geometry with one nitrate anion bonding at the apical site. The two heterocyclic rings of the 5-(2-pyridin-2--yl)pyrazine-2-carbonitrile ligand are almost coplanar [dihedral angle = 5.63 (8)°], and the two chelating ligands are in an anti relationship. The mononuclear units are inter-connected along [010] through C-H⋯O(nitrate) and C-H⋯N(cyano) inter-actions, forming an infinite chain. The mononuclear units are stacked along the a axis and inter-connected via inter-molecular π-π stacking inter-actions between adjacent pyridine and pyrazine rings [centroid-centroid distances = 3.984 (2) and 3.595 (3) Å], thus forming a three-dimensional supra-molecular structure.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP290379	Pyrazine		290-37-9	Price

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