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Two new adenine-based Co(II) coordination polymers: Synthesis, crystal structure, coordination modes, and reversible hydrochromic behavior

AutorBurneo, Iván; Stylianou, Kyriakos C.; Rodríguez-Hermida, Sabina; Imaz, Inhar ; Maspoch, Daniel
Fecha de publicación2015
EditorAmerican Chemical Society
CitaciónCrystal Growth and Design 15(7): 3182-3189 (2015)
ResumenWe report the synthesis of two new three-dimensional coordination polymers (CPs) based on Co(II), adenine, and aromatic tetracarboxylate linkers. Adenine exhibits bidentate binding modes in both CPs, coordinating through the N3 and N9 sites in a first compact CP and through the more rare N3 and N7 sites in a second open, flexible, and H2O-responsive CP. These differences together with an analysis of the extended coordination structures made of adenine reported in the Cambridge Structural Database illustrate the rich coordination versatility of adenine as a building block for CPs. Although the latter CP is nonporous to N2 or CO2, it shows a reversible and detectable color change from pink to purple, and vice versa, upon hydration and dehydration, respectively.
Identificadoresdoi: 10.1021/acs.cgd.5b00218
issn: 1528-7483
e-issn: 1528-7505
Aparece en las colecciones: (CIN2) Artículos
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