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Synthesis, crystal structure and magnetic properties of poly[[diaqua{μ6-2-[bis-(carboxyl-atometh-yl)amino]-terephthalato}-dicobalt(II)] 1.6-hydrate].

ABSTRACT: The asymmetric unit of the polymeric title compound {[Co2(C12H7NO8)(H2O)2]·1.6H2O} n comprises two CoII ions, which are coordinated by fully deprotonated 2-aminodi-acetic terephthalic acid (adtp4-) and terminal water mol-ecules in distorted octa-hedral N1O5 and O6 coordination environments. The title compound features tetra-nuclear CoII units bridged by κ 3 O:O:O'- and κ 3 O:O,O'-carboxyl-ate groups, which are joined into ribbons via syn-anti carboxyl-ate bridges. The parallel adtp4- ligands with an alternately reversed arrangement further link adjacent CoII ribbons into (010) layers, which are assembled into a three-dimensional supra-molecular network via inter-molecular hydrogen bonds. The disordered water solvent mol-ecules are situated in channels parallel to [100]. Magnetic measurements and analyses reveal that the title compound displays anti-ferromagnetic behaviour. The purity of the title compound was characterized by X-ray powder diffraction.

SUBMITTER: Ma J 

PROVIDER: S-EPMC8423006 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Synthesis, crystal structure and magnetic properties of poly[[diaqua{μ<sub>6</sub>-2-[bis-(carboxyl-atometh-yl)amino]-terephthalato}-dicobalt(II)] 1.6-hydrate].

Ma Jie J   Zhang Wen-Zhi WZ   Liu Yong Y   Yi Wen-Tao WT  

Acta crystallographica. Section E, Crystallographic communications 20210817 Pt 9

The asymmetric unit of the polymeric title compound {[Co<sub>2</sub>(C<sub>12</sub>H<sub>7</sub>NO<sub>8</sub>)(H<sub>2</sub>O)<sub>2</sub>]·1.6H<sub>2</sub>O} <sub><i>n</i></sub> comprises two Co<sup>II</sup> ions, which are coordinated by fully deprotonated 2-aminodi-acetic terephthalic acid (adtp<sup>4-</sup>) and terminal water mol-ecules in distorted octa-hedral N<sub>1</sub>O<sub>5</sub> and O<sub>6</sub> coordination environments. The title compound features tetra-nuclear Co<sup>II</sup>  ...[more]

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