Self-assembly of Co(II) coordination polymers with dicarboxylic acids and 4-pyridylamidoxime

Coropceanu Eduard; Meriacri Maria; Vitiu (Boldişor) Aliona; Bourosh Pavlina

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2023-12-08 04:35

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COROPCEANU, Eduard, MERIACRI, Maria , VITIU (BOLDIŞOR), Aliona, BOUROSH, Pavlina. Self-assembly of Co(II) coordination polymers with dicarboxylic acids and 4-pyridylamidoxime. In: Materials Science and Condensed Matter Physics, Ed. 7, 16-19 septembrie 2014, Chișinău. Chișinău, Republica Moldova: Institutul de Fizică Aplicată, 2014, Editia 7, p. 198.

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Materials Science and Condensed Matter Physics
Editia 7, 2014

Conferința "Materials Science and Condensed Matter Physics"
7, Chișinău, Moldova, 16-19 septembrie 2014

Self-assembly of Co(II) coordination polymers with dicarboxylic acids and 4-pyridylamidoxime

Pag. 198-198

Coropceanu Eduard¹, Meriacri Maria ², Vitiu (Boldişor) Aliona³, Bourosh Pavlina³

¹ Institute of Chemistry of the Academy of Sciences of Moldova,
² University of the Academy of Sciences of Moldova,
³ Institute of Applied Physics, Academy of Sciences of Moldova

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Menționat în lucrare: 14.518.02.04A INGINERIA CRISTALELOR LA CREAREA MATERIALELOR METALOORGANICE CU PROPRIETĂŢI COOPERATIVE

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Disponibil în IBN: 7 martie 2019

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Aiming to create coordinative polymers of different dimensions there have been assembled two new coordinative polymers of the cobalt(II) with dicarboxylic acids and 4-pyridylamidoxime with the following fo1mulas: [Co(adi)(4-pyamo)2]n (1) and {[Co(tph)(4-pyamo)2]-2dmf.2H20}n (2) (H2adi - adipic acid, H2tph - terephthalic acid; 4-pyamo - 4-pyridylamidoxime). The X-ray study has established that both compounds c1ystallize in the triclinic P-1 space group. Each metal atom in both compounds have the octahedral coordination polyhedron, consisting of 04N2 donor atoms set going from two bideprotonated adipato anions and two neutral 4-pyamo ligands in 1, and two bideprotonated terephthalate and two neutral 4-pyamo ligands and two coordinated water molecules in 2. The 4-pyamo molecule coordinates to the Co(II) center in monodentate mode via the pyridine N-binding site, while the adipato anion coordinates in bis-chelating bridging mode and terephthalate anion in bridging bis-monodentate mode. Such coordinating mode of adipic acid dete1minated in 1, was established in some of the compounds with dicarboxylic acids and 4-pyridilaldoxime [1]. The bridging adi anions are responsible for ID z

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