Extended layered networks in which [M(egta)]2− is eight-coordinate and Mn2+ six-coordinate are present in the title compounds. In the case of the Mn2 compound this leads to the novel two-dimensional lattice sketched on the right; short range antiferromagnetic exchange interactions between the MnII ions were found. H4egta = ethylenedioxybis(ethylenenitrilo)tetraacetic acid; the circles represent the magnetically nonequivalent MnII ions.
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Borrás-Almenar et al. (1993) studied this question.
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