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Acta Cryst. (2012). E68, m5  [ doi:10.1107/S1600536811051403 ]

Bis[5-(pyridin-2-yl)pyrazine-2-carbonitrile-[kappa]2N4,N5]silver hexafluoridophosphate

Z. J. Wang

Abstract: In the mononuclear title complex, [Ag(C10H6N4)2]PF6, two [kappa]2N,N'-chelating 5-(pyridin-2-yl)pyrazine-2-carbonitrile ligands surround the AgI atom, forming a distorted N4 tetrahedral coordination geometry. The mononuclear units are interconnected through [pi]-[pi] interactions [centroid-centroid distances = 3.801 (2) and 3.979 (3) Å] and the hexafluoridophosphate anions are embedded within the interstices. C[triple bond]N...[pi] interactions [N...centroid = 3.519 (2) Å] and C-H....N hydrogen-bonding interactions also occur.

Online 3 December 2011

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