Synthesis, structures and magnetic properties of two 2D→3D entangled Cobalt(II) coordination polymers

Synthesis, structures and magnetic properties of two 2D→3D entangled Cobalt(II) coordination... Two Co(II) coordination polymers, namely Co(HBTC)(4-bpdb)·H2O (1) and Co(HBTC)(3-bpdb)·H2O (2) (H3BTC = 1,3,5-benzenetricarboxylic acid, 4-bpdb = 1,4-bis-(4-pyridyl)-2,3-diaza-1,3-butadiene, 3-bpdb = 1,4-bis(3-pyridyl)-2,3-diaza-1,3- butadiene), have been hydrothermally synthesized and characterized both structurally and magnetically. Compound 1 exhibits a (2D → 3D) polythreaded architecture. It is assembled from HBTC2− ligands to form a 2D puckered (4,4) layer plus 4-bpdb ligands which are orientated above and below each layer. The structure of compound 2 consists of a 2D (3,5) wavelike sheet constructed from HBTC2− anions and 3-bpdb spacers. The uncoordinated carboxyl groups of the HBTC2− ligands protrude from both sides of the wavelike sheet to form a 2D → 3D interdigitated motif. The magnetic properties of both compounds are also investigated, indicating antiferromagnetic interactions between the adjacent metal centers. Transition Metal Chemistry Springer Journals

Synthesis, structures and magnetic properties of two 2D→3D entangled Cobalt(II) coordination polymers

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Springer International Publishing
Copyright © 2017 by Springer International Publishing AG
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry; Organometallic Chemistry
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