Abstract
A new isophthalate manganese(II) coordination polymer, [Mn3(ip)3(bipy)2]n·2nH2O (1) (H2ip = isophthalic acid and bipy = 2,2′-bipyridine), with a 2D layer structure built up from isophthalato-linking trimanganese clusters, is obtained by refluxing a weakly basic solution containing bipy, Mn(OAc)2·4H2O, H2ip, and triethylamine. Both the complex and the dehydrated materials show irreversible water adsorption at room temperature, accompanied by facile single-crystal-to-single-crystal structural transformation forming a 1D chain-like coordination polymer upon rehydration, [Mn(ip)(bipy)(H2O)2]n·nH2O (2). The thermogravimetric behavior and magnetic properties of both the complexes are examined.
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