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Issue 1, 2012
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A series of 1D, 2D and 3D coordination polymers based on a 5-(benzonic-4-ylmethoxy)isophthalic acid: syntheses, structures and photoluminescence

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Abstract

Seven new coordination polymers, namely, [Zn(HL)(H2O)] (1), [Zn(HL)(phen)]·1.5H2O (2), [Zn(HL)(L1)] (3), [Zn2(HL)2(L2)2]·2H2O (4), [Zn(HL)(L3)0.5] (5), [Zn(HL)(L4)] (6) and [Cu2(L)(OH)(H2O)]·0.5H2O (7) (H3L = 5-(benzonic-4-ylmethoxy) isophthalic acid, phen = 1,10-phenathroline, L1 = 1,2-bis(1,2,4-triazole-1-yl)ethane, L2 = 1,3-bis(1,2,4-triazole-1-yl)propane, L3 = 1,6-bis(1,2,4-triazole-1-yl)hexane and L4 = 4,4′-bis(1,2,4-triazole-1-ylmethyl)biphenyl), have been hydrothermally synthesized and characterized by single-crystal X-ray diffraction. In compounds 1–6, the H3L ligand is partially deprotonated to form HL2, while it is completely deprotonated in 7. Compound 1 shows a 3D framework with 4-connected (42·7·83)2 topology. Compound 2 displays a 1D ribbon structure. The neighboring ribbons are further linked by hydrogen-bonding interactions to form a 3D supramolecular architecture. Compound 3 exhibits a 2D undulated sheet. The sheets are further penetrated into each other to give rise to a 3D polycatenation structure. Compound 4 displays a 2D supramolecular layer structure. Compound 5 shows a 3D (3,6)-connected (4·8)(4·82·103) net. Compound 6 reveals a 3D four-fold interpenetrating diamondoid architecture. Compound 7 displays a (3,8)-connected (4·62)(44·68·812·104) topology. These compounds have been characterized by powder X-ray diffractions (PXRD) and thermal gravimetric analyses (TGA). In addition, the photoluminescent behaviours of 1–6 have been investigated in detail.

Graphical abstract: A series of 1D, 2D and 3D coordination polymers based on a 5-(benzonic-4-ylmethoxy)isophthalic acid: syntheses, structures and photoluminescence

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Publication details

The article was received on 28 May 2011, accepted on 08 Sep 2011 and first published on 18 Oct 2011


Article type: Paper
DOI: 10.1039/C1CE05639E
Citation: CrystEngComm, 2012,14, 169-177
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    A series of 1D, 2D and 3D coordination polymers based on a 5-(benzonic-4-ylmethoxy)isophthalic acid: syntheses, structures and photoluminescence

    Y. Liu, J. Li, J. Ma, J. Ma and J. Yang, CrystEngComm, 2012, 14, 169
    DOI: 10.1039/C1CE05639E

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