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Evolution of manganese–calcium cluster structures based on nitrogen and oxygen donor ligands

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Abstract

Several X-ray determined structures are described of ditopic clusters based on the Mn(m)Ca(n) motif where m = 2, n = 2; m = 6, n = 2. A cuboid arrangement of Ca2Mn2O6 is observed in three structures and they vary slightly in terms of Mn–O and Ca–O bond lengths. A “wheel and axle” like motif is observed in the final structure in which a calcium thread resides inside a Mn6 ring. Crystal packing features are also described for the cuboid structures and subtle structural changes are discussed in the framework of supramolecular chemistry and crystal engineering.

Graphical abstract: Evolution of manganese–calcium cluster structures based on nitrogen and oxygen donor ligands

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Publication details

The article was received on 16 May 2017, accepted on 15 Jun 2017 and first published on 16 Jun 2017


Article type: Paper
DOI: 10.1039/C7CE00931C
Citation: CrystEngComm, 2017, Advance Article
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    Evolution of manganese–calcium cluster structures based on nitrogen and oxygen donor ligands

    S. Melnic, S. Shova, A. C. Benniston and P. G. Waddell, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE00931C

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