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Mn(ii) metal–organic frameworks based on Mn3 clusters: from 2D layer to 3D framework by the “pillaring” approach

2012; Royal Society of Chemistry; Volume: 15; Issue: 8 Linguagem: Inglês

10.1039/c2ce26734a

1466-8033

Yong‐Qiang Chen, Sui‐Jun Liu, Yun‐Wu Li, Guorong Li, Kun-Huan He, Ze Chang, Xian‐He Bu,

Lanthanide and Transition Metal Complexes

Two complexes {[Mn3(btcit)2(H2O)2(DMF)2]·2DMF}∞ (1) and {[Mn3(btcit)2(bib)2]·2DMF}∞ (2) (H3btcit = 4,4′,4′′-[1,3,5-benzenetriyltris(carbonylimino)]trisbenzoic acid, bib = 1,4-bis(imidazol-1-yl)benzene) were obtained under the same reaction condition. Complex 1 is a two dimensional (4,4) network constructed from linear Mn3 units and btcit ligands. Complex 2, which presents an interesting two-fold interpenetrating three dimensional framework with fsf topology, was obtained by modifying complex 1 with a "pillaring" approach. Moreover, the magnetic properties of 1 and 2 have been investigated and both of them show antiferromagnetic behaviour.