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[Display omitted] • Six 5,5′-(1,2-phenylenebis(methoxy))diisophthalate coordination polymers were prepared. • The tetracarboxylic acid displays seven types of coordination modes. • These complexes exhibit 2D networks and 3D porous MOFs. • Mn(II) complexes 1 and 2 have antiferromagnetic couplings. Mn(II)/Cd(II) nitrates react with 5,5′-(1,2-phenylenebis(methoxy))diisophthalic acid (H 4 L) and four dipyridyl-typed N -donor ligands to afford six coordination polymers, {[Mn 2 (L)(bpee) 2 ]·DMF} n (1), {[Mn 3 (H 2 L) 3 (bpmp)(H 2 O) 2 ]·2DMF·2H 2 O} n (2), {[(CH 3) 2 NH 2 ] 2 [Cd(L)]·2H 2 O} n (3), [Cd 2 (L)(H 2 O) 2 (DMF)] n (4), {[Cd(L) 0.5 (bpdb)]·DMF} n (5) and [Cd(H 2 L)(bpp)(H 2 O)] n (6) [bpee = 1,2-bis(4-pyridyl)ethylene, bpmp = 1,4-bis(4-pyridylmethyl)piperazine, bpdb = 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene, bpp = 1,3-bis(4-pyridyl)propane]. These complexes were characterized by elemental analyses, IR spectra, PXRD, thermogravimetry and X-ray structural analysis. H 4 L displays seven types of coordination modes in them. Four complexes are 3D coordination polymers, except 2D wave-like network of complex 3 and 1D double-chain polymer of complex 6. Cd(II) complexes 3 , 4 and 6 display strong blue luminescence. Complex 1 exhibits weak antiferromagnetic coupling in [Mn 2 (μ 2 -COO) 2 (COO) 2 ] dimer, while complex 2 shows antiferromagnetic coupling in [Mn 3 (μ 2 -COO) 6 ] trinuclear cluster. [ABSTRACT FROM AUTHOR]

Three Co(II)/Zn(II) coordination polymers containing μ 3 -hydroxide metal clusters are constructing from 3,5-bis(4-carboxybenzyloxy)benzoic acid. Compound 1 is a 3D porous MOF containing [Co 4 (µ 3 -OH) 2 (μ 2 -COO) 4 (μ 3 -COO) 2 ] cluster. Compound 2 is a 1D ribbon coordination polymer containing [Co 3 (µ 3 -OH)(μ 2 -COO) 2 ] cluster. Compound 3 is a 3D porous MOF containing [Zn 4 (µ 3 -OH) 2 (μ 2 -COO) 6 ] cluster. Compounds 1 and 2 exhibit dominant antiferromagnetic interactions accompanied by weak ferromagnetic interactions. [Display omitted] • Three coordination polymers are assembled by 3,5-bis(4-carboxybenzyloxy)benzoic acid. • Complexes 1 and 3 are 3D porous metal–organic frameworks. • Three coordination polymers contain different μ 3 -hydroxide-metal clusters. • Co(II) complexes 1 and 2 exhibit dominant antiferromagnetic interactions accompanied by weak ferromagnetic interactions. Co(II)/Zn(II) nitrates react with 3,5-bis(4-carboxybenzyloxy)benzoic acid (H 3 L) to afford three coordination polymers, [Co 2 (μ 3 -OH)(L)(H 2 O)] n · n H 2 O (1), [Co 3 (μ 3 -OH) 2 (HL) 2 (H 2 O) 4 ] n · n bpmp (2) and [Zn 2 (μ 3 -OH)(L)] n (3) (bpmp = 1,4-bis(4-pyridylmethyl)piperazine). These compounds are characterized by elemental analysis, infrared spectra, thermogravimetry and single crystal X-ray structural analysis. Three coordination polymers contain μ 3 -hydroxide metal clusters. Coordination polymer 1 is a 3D porous metal–organic framework (MOF) containing tetranuclear cluster [Co 4 (µ 3 -OH) 2 (μ 2 -COO) 4 (μ 3 -COO) 2 ]. Coordination polymer 2 shows a 1D ribbon structure constructing from trinuclear cluster [Co 3 (µ 3 -OH)(μ 2 -COO) 2 ] and Y-shaped HL2− ligand. Coordination polymer 3 is a 3D porous MOF containing tetranuclear cluster [Zn 4 (µ 3 -OH) 2 (μ 2 -COO) 6 ] with 23.7 % porosity. Cobalt coordination polymers 1 and 2 exhibit dominant antiferromagnetic coupling (Weiss constant θ = − 40 K), accompanied by ferromagnetic interactions at low temperature. [ABSTRACT FROM AUTHOR]