Issue 2, 2011

Controllable self-assembly of two novel metal–organic frameworks based on different tetradentate in situ ligands

Abstract

Two novel metal–organic frameworks (MOFs) based on different tetradentate in situ ligands, CuI3(L1)2(L2)[PMoVI8VV4O40(VIVO)2]·2H2O (1) and [CuI2Cl2(L3)] (2) (L1 = 1,4-bis(imidazol-1-ylmethyl)benzene, L2 = 1,2,4,5-tetra(4-pyridyl)-benzene L3 = a-1-hydroxy-e,e,e,e-1,2,4,5-tetra(4-pyridyl)cyclohexane) have been rationally hydrothermally synthesized and characterized by elemental analyses, IR spectroscopy, TG analyses, and single-crystal X-ray diffraction, respectively. Here, compound 1 represents the first example that dehydrogenative coupling has been employed to yield a novel tetradentate coplanar dye molecule in POM-based MOFs. It also exhibits unique 3D MOFs with two topologies (4284)(4283101)(86)2 and (4383)(4284)(446289)(4106183) due to different definitions of nodes. Compound 2 shows a two-fold diagonal/diagonal inclined interpenetration based on CuI ions and in situ synthesized ligands L3. Interestingly, reaction conditions play important roles in the domination of in situ ligands (L2 and L3) from the same precursor bpp (bpp = 1,3-bis(4-pyridyl)propane). Additionally, electrochemical and photocatalysis properties of compound 1 have also been minutely investigated.

Graphical abstract: Controllable self-assembly of two novel metal–organic frameworks based on different tetradentate in situ ligands

Supplementary files

Article information

Article type
Paper
Submitted
30 Jun 2010
Accepted
17 Aug 2010
First published
27 Sep 2010

CrystEngComm, 2011,13, 649-655

Controllable self-assembly of two novel metal–organic frameworks based on different tetradentate in situ ligands

J. Meng, Y. Li, H. Fu, X. Wang and E. Wang, CrystEngComm, 2011, 13, 649 DOI: 10.1039/C0CE00356E

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