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32
2-Aminopyrimidine silver(I) coordination polymers: solid-state structure and optical characteristics
2-Aminopyrimidines show a diverse coordination chemistry, ranging from classical Werner-type complexes and one-dimensional coordination polymers (CPs) to metal organic frameworks (MOFs). Responsible for the principal structure formation are the metal ions, however, hydrogen-bond pattern of coordinating anions - especially carboxylates - also control the final outcome by interaction with the amino group and the metal ions present. Substitution at the para-position with perfluorinated aromatic residues further increased the structural diversity due to additional interaction of the fluorinated residues. Crystallization with silver trifluoroacetate gave a coordination polymer with extremely short silver(I) – silver(I)-distances, while two polymorphic crystals could be obtained by use of silver nitrate. These two polymorphs, with visibly different color and luminescence emission, feature the cover of the journal CrystEngComm, volume 15, issue 21.

Jens Eberhard, Ion Stoll, Regina Brockhinke, Beate Neumann, Hans-Georg Stammler, Arthur Riefer, Eva Rauls, Wolf Gero Schmidt and Jochen Mattay, CrystEngComm, 2013, 15, 4225–4248. [dx.doi.org/10.1039/C2CE26388B]

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