Linkage isomerism for 4-methylimidazole and a new coordination mode of pyrazine-2,3-dicarboxylate ligand in {[Cd(pzdc)(4-mim)(5-mim)2]·½H2O}n coordination polymer

Yeşılel, Okan Zafer; Günay, Güneş; Mutlu, Ahmet; Ölmez, Halıs; Büyükgüngör, Orhan

doi:10.1016/j.inoche.2010.06.042

Cited by 20 publications

(1 citation statement)

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“…18,19 Although many coordination polymers constructed by the pyrazine-2,3-dicarboxylate ligand have been reported, most of them focused on transition metals such as Co(II), Cu(II), Zn(II) and Cd(II), [20][21][22] whereas those using Ag(I) are very rare, and only seven silver(I) complexes, [Ag 2 (pzdc)(H 2 O)(hmt)]$2H 2 O, 23 [Ag(NH 3 ) 2 ][Ag 3 (pzdc) 2 (NH 3 ) 4 ], 11 [Ag 3 (pzdc)(Hpzdc)]n, 12 [Ag 2 (pzdc)], 24 [Ag 2 (pzdc)(H 2 O)], 25 We have long been interested in the coordination chemistry of the pyrazine-2,3-dicarboxylate ligand since pzdc acts a versatile ligand and it may coordinate to metals by means of its pyrazine nitrogen and carboxyl oxygen atoms. 10,20,28 In this study, we present a new mixed-ligand 3D silver(I)-pyrazine-2,3-dicarboxyl ate coordination polymer with ethylenediamine (en), namely {[Ag 4 (m 4 -pzdc) 2 (m-en) 2 ]$H 2 O} n (1).…”

Section: Introductionmentioning

confidence: 99%

An unusual 3D metal–organic framework, {[Ag4(μ4-pzdc)2(μ-en)2]·H2O}n: C–H⋯Ag, N–H⋯Ag and (O–H)⋯Ag interactions and an unprecedented coordination mode for pyrazine-2,3-dicarboxylate

et al. 2012

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Section: Introductionmentioning

confidence: 99%

An unusual 3D metal–organic framework, {[Ag4(μ4-pzdc)2(μ-en)2]·H2O}n: C–H⋯Ag, N–H⋯Ag and (O–H)⋯Ag interactions and an unprecedented coordination mode for pyrazine-2,3-dicarboxylate

et al. 2012

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Rare‐Earth–Transition‐Metal Organic–Inorganic Hybrids Based on Keggin‐type Polyoxometalates and Pyrazine‐2,3‐dicarboxylate

Zhang

Zhao

et al. 2012

Chemistry An Asian Journal

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Five rare-earth-transition-metal (RE-TM) heterometal organic-inorganic hybrids based on Keggin-type silicotungstates and mixed ligands H2pzda (pzda=pyrazine-2,3-dicarboxylate) and en (en=ethylenediamine) (enH2)[Cu(en)2(H2O)]2{[Cu(en)2][Cu(en)2(H2O)][(α-SiW11 O39)RE(H2O)(pzda)]}2·n H2O (n≈4; RE=YIII (1), DyIII (2), YbIII (3), and LuIII (4)) and [Cu(en)2(H2O)]2{[Cu(en)2]2[Cu(pzda)2][(α-H2SiW11O39)Ce(H2O)]2}·n H2O (5; n≈8) have been hydrothermally synthesized and structurally characterized. Compounds 1-5 all contain the dimeric mono-RE substituted Keggin [RE(α-SiW11O39)]210- subunits linked by H2pzda ligands. Interestingly, 1-4 exhibit discrete structures, in which the H2pzda ligand acts as a tetradentate ligand to bind the RE and Cu cations, whereas 5 displays a 1D double-chain architecture, in which the H2pzda ligand adopts a new pentadentate mode to connect the Ce and Cu cations. To our knowledge, 1-5 represent the first monovacant Keggin-type silicotungstates containing both RE-TM heterometals and mixed ligands. The luminescence of 2 is derived from the combination of the DyIII cations and H2pzda ligands, whereas the luminescence properties of 1 and 3-5 are attributable to the H2pzda ligands.

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Magnesium(II), Calcium(II), and Barium(II) Coordination Compounds Constructed by 1H‐Tetrazolate‐5‐acetic Acid Ligand

Yang

Shen

et al. 2012

Zeitschrift anorg allge chemie

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Reactions of H2tza (H2tza = 1H‐tetrazolate‐5‐acetic acid) with Mg(NO3)2·6H2O, Ca(NO3)2·4H2O, or Ba(NO3)2 with the presence of KOH under hydrothermal conditions, produced three new coordination compounds, [M(tza)(H2O)2] (M = Mg (1), Ca (2), Ba (3)). These compounds were structurally characterized by elemental analysis, IR spectroscopy, and single‐crystal X‐ray diffraction. Compounds 1 and 3 display 2D structures, whereas 2 reveals a 1D structure with bridging tza ligand molecules as linkers. Furthermore, the luminescence properties of 1–3 at room temperature in the solid state were also investigated. The results show that the nature of metal ions play an important role in governing the molecular frameworks of 1–3, and the strong coordinate abilities of carboxylate and tetrazolate group, endow tza with abundant coordination modes.

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Linkage isomerism for 4-methylimidazole and a new coordination mode of pyrazine-2,3-dicarboxylate ligand in {[Cd(pzdc)(4-mim)(5-mim)2]·½H2O}n coordination polymer

Cited by 20 publications

References 61 publications

An unusual 3D metal–organic framework, {[Ag4(μ4-pzdc)2(μ-en)2]·H2O}n: C–H⋯Ag, N–H⋯Ag and (O–H)⋯Ag interactions and an unprecedented coordination mode for pyrazine-2,3-dicarboxylate

An unusual 3D metal–organic framework, {[Ag4(μ4-pzdc)2(μ-en)2]·H2O}n: C–H⋯Ag, N–H⋯Ag and (O–H)⋯Ag interactions and an unprecedented coordination mode for pyrazine-2,3-dicarboxylate

Rare‐Earth–Transition‐Metal Organic–Inorganic Hybrids Based on Keggin‐type Polyoxometalates and Pyrazine‐2,3‐dicarboxylate

Magnesium(II), Calcium(II), and Barium(II) Coordination Compounds Constructed by 1H‐Tetrazolate‐5‐acetic Acid Ligand

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