Metal ions Directed Self‐assembly based on Mixed Ligands: From 2D hcb Net to 3D cds Framework

Zhang, Zhen; Sun, Hai; Du, Lin; Xie, Ming‐Jin; Zhou, Jie; Zhao, Qi‐Hua

doi:10.1002/zaac.202000290

Cited by 3 publications

(2 citation statements)

References 76 publications

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“…In our previous studies on the construction of bpdb/polycarboxylate mixed-ligands CPs, we found that metal ions have a strong regulatory effect on the skeleton of the frameworks. 50 In order to confirm the regulation roles of the substituents on the skeleton, and to determine whether metal ions or other factors also can affect the frameworks in this series of CPs, cobalt nitrate was selected as metal salts to react with 3-bpdb and 5-substituted isophthalic acid ligands with similar reactions with 1−4, and four Co(II)-based CPs were obtained (7−10). Single-crystal X-ray diffraction analysis revealed that the all the Co(II) ions in 7−10 are six coordinated in distorted octahedral coordination spheres with σ values of 0.647, 0.620, 0.636, and 0.620, respectively (Scheme S1).…”

Section: T H I S C O N T E N T Imentioning

confidence: 99%

“…As shown in Figure S5, there is an emission peak with maxima at 394 nm and a shoulder peak at 469 nm (λ ex = 254 nm) for 3-bpdb, which is consistent with that previously reported. 50 For carboxylic acid ligands, the best emission peaks of MeO-H 2 ip, EtO-H 2 ip, and n-PrO-H 2 ip are at 358, 361, and 363 nm (λ ex = 315 nm) respectively, and the best emission of n-BuO-H 2 ip is at 416 nm (λ ex = 345 nm) (Figure S6). These emissions may be due to the intraligand π* → n or π* → π transitions.…”

Section: T H I S C O N T E N T Imentioning

confidence: 99%

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R-Substituent-Induced Structural Diversity and Single-Crystal to Single-Crystal Transformation of Coordination Polymers: Synthesis, Luminescence, and Magnetic Behaviors

Zhang

Zhou

Sun

et al. 2021

Crystal Growth & Design

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Four Zn(II) coordination polymers (CPs), namely, [Zn(3-bpdb)(MeO-ip)] n (1), [Zn(3-bpdb)(EtO-ip)] n (2), {[Zn(3-bpdb)(n-PrO-ip)]•H 2 O} n (3), and [Zn(3-bpdb)(n-BuOip)] n (4), have been first prepared under solvothermal conditions on the basis of four 5-substituted isophthalic acid ligands including 5-methoxy-1,3-benzenedicarboxylate (MeO-H 2 ip), 5-ethoxy-1,3benzenedicarboxylate (EtO-H 2 ip), 5-propoxy-1,3-benzenedicarboxylate (n-PrO-H 2 ip), and 5-butoxy-1,3-benzenedicarboxylate (n-BuO-H 2 ip) with the help of 1,4-bis(3-pyridyl)-2,3-diaza-1,3butadiene (3-bpdb) as a secondary ligand. CPs 1 and 2 exhibit double pillared layered three-dimensional (3D) structures with non-interpenetrated fsc topology. CP 3 possesses a two-dimensional (2D) terrace layered structure with (4 2 .6)(4 2 .6 7 .8) topology, while CP 4 features a one-dimensional (1D) infinite tubular helical chain. Second, when the orange-yellow crystals of 4 were immersed in the mother liquor at room temperature, vivid bright yellow crystals of {[Zn(3-bpdb)(n-BuO-ip)]•2H 2 O} n (5) with a 2D terrace layered structure and bright yellow crystals of {[Zn(3-bpdb)(n-BuO-ip)(H 2 O)]•1.5H 2 O} n (6) with a single-layered 2D (4,4) grid network were obtained on the 8th and 20th days by single-crystalto-single-crystal (SCSC) phase transformation, respectively. These structural transformations were thoroughly studied by powder Xray diffraction (PXRD) analysis and field-emission scanning electron microscopy (FE-SEM) along with single-crystal X-ray diffraction. In order to clarify the structure control factors in this series of CPs, similar reactions with 1−4 were continuously carried out, except that Zn(NO 3 ) 2 •6H 2 O was replaced by Co(NO 3 ) 2 •6H 2 O, and four Co(II)-based CPs formulated as [Co(3-bpdb)(MeOip)] n (7), [Co(3-bpdb)(EtO-ip)] n (8), {[Co(3-bpdb)(n-PrO-ip)]•H 2 O} n (9), and [Co(3-bpdb)(n-BuO-ip)] n (10) were purposefully constructed. The whole structures of 7−10 are isostructural with 1−3 and 5, respectively. The present results reveal that substitutions of isophthalic acid ligands with different lengths exert significant effects on the architecture of the CPs. Besides, the fluorescent properties of 1−6 were also investigated. The magnetic measurements indicate that CP 7 exhibits weak antiferromagnetic interactions, and CPs 8−10 exhibit weak ferromagnetic interactions within the binuclear (Co II ) 2 units. Magnetostructure relationships were investigated as well.

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Section: T H I S C O N T E N T Imentioning

confidence: 99%

Section: T H I S C O N T E N T Imentioning

confidence: 99%

R-Substituent-Induced Structural Diversity and Single-Crystal to Single-Crystal Transformation of Coordination Polymers: Synthesis, Luminescence, and Magnetic Behaviors

Zhang

Zhou

Sun

et al. 2021

Crystal Growth & Design

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A Cobalt-Organic Framework with Sensitive Detection of Fe3+, Cr2O72–, and CrO42– Ions in Water

Zhang

Sun

et al. 2021

J Inorg Organomet Polym

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A six-coordinated 3D metal-organic framework (MOF), namely, [Co(BPDC)(3-bpdb)(H 2 O) 2 ] n (1) (H 2 BPDC = 4,4′-biphenyldicarboxylic acid, 3-bpdb = 1,4-bis(3-pyridyl)-2,3-diaza-1,3-butadiene) was purposefully constructed and characterized by single-crystal XRD, IR, elemental analyses, PXRD, SEM, and TGA. Crystal structural analysis revealed that the complex consists of a cds-type three-fold interpenetrated framework.Hirshfeld surface analysis yielded details of the surface characteristics of 1. Signi cant O−H•••O hydrogen bonding interactions, which could promote the stability of the framework, were found is extremely stable in aqueous solution and can resist acids and bases over an extensive pH range of 2 -13. 1 shows brilliant uorescent emission in the solid state and in aqueous solution. Fluorescence titration, cyclic, and antiinterference experiments demonstrated that 1 is an excellent probe for Fe 3+ , CrO 4 2and Cr 2 O 7 2in water.The K sv values of 1 for Fe 3+ , CrO 4 2-, and Cr 2 O 7 2-, which were as high as 1.06 × 10 4 M −1 , 1.50 × 10 4 M −1 , and 1.16 × 10 4 M −1 , respectively, were comparable with those of other sensors. The quenching mechanism of the novel probe was subsequently explained.

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Synthesis and structural characterization of lanthanide metal complexes by 2-fluorobenzoic acid with 2,2′:6′,2″-terpyridine, and their fluorescence properties

Geng

Ren

et al. 2022

Journal of Molecular Structure

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Metal ions Directed Self‐assembly based on Mixed Ligands: From 2D hcb Net to 3D cds Framework

Cited by 3 publications

References 76 publications

R-Substituent-Induced Structural Diversity and Single-Crystal to Single-Crystal Transformation of Coordination Polymers: Synthesis, Luminescence, and Magnetic Behaviors

R-Substituent-Induced Structural Diversity and Single-Crystal to Single-Crystal Transformation of Coordination Polymers: Synthesis, Luminescence, and Magnetic Behaviors

A Cobalt-Organic Framework with Sensitive Detection of Fe3+, Cr2O72–, and CrO42– Ions in Water

Synthesis and structural characterization of lanthanide metal complexes by 2-fluorobenzoic acid with 2,2′:6′,2″-terpyridine, and their fluorescence properties

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