A highly sensitive and selective fluorescent “off-on-off” relay chemosensor based on a new bis(salamo)-type tetraoxime for detecting Zn2+ and CN−

Liu, Ling-Zhi; Wang, Lan; Yu, Meng; Zhao, Qing; Zhang, Yang; Sun, Yin‐Xia; Dong, Wen‐Kui

doi:10.1016/j.saa.2019.117209

Cited by 91 publications

(16 citation statements)

References 67 publications

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“…Hirshfeld surface analysis is a advantageous means to discuss the intramolecular and intermolecular interactions of the molecular crystals. The size and shape of Hirshfeld surface visualize the intermolecular close contact in complexes . As shown in Figure , the Hirshfeld surfaces analysis of the ligand H 3 L and its complexes 1 – 3 was illustrated, showing surfaces that have been projected over d norm , d i and shape index.…”

Section: Resultsmentioning

confidence: 99%

Single‐armed salamo‐like dioxime and its multinuclear Cu (II), Zn (II) and Cd (II) complexes: Syntheses, structural characterizations, Hirshfeld analyses and fluorescence properties

Zhang

Pan

et al. 2019

Applied Organom Chemis

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with a single-armed salamo-like dioxime ligand H 3 L have been synthesized, and characterized by FT-IR, UV-vis, Xray crystallography and Hirshfeld surfaces analyses. The ligand H 3 L has a linear structure and C-H···π interactions between the two molecules. The complex 1 is a dinuclear Cu (II) complex, Cu1 and Cu2 are all five-coordinate possessing distorted square pyramidal geometries. The complex 2 also forms a dinuclear Zn (II) structure, and Zn1 and Zn2 are all five-coordinate bearing distorted trigonal bipyramidal geometries. The complex 3 is a symmetrical tetranuclear Cd (II) complex, and Cd1 is a hexa-coordinate having octahedral configuration and Cd2 is hepta-coordinate with a pentagonal bipyramidal geometry, and it has π···π interactions inside the molecule. In addition, fluorescence properties of the ligand and its complexes 1-3 have also been discussed.

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Section: Resultsmentioning

confidence: 99%

Single‐armed salamo‐like dioxime and its multinuclear Cu (II), Zn (II) and Cd (II) complexes: Syntheses, structural characterizations, Hirshfeld analyses and fluorescence properties

Zhang

Pan

et al. 2019

Applied Organom Chemis

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“…The fluorescence lifetime of H 2 L and the [Zn II 2 -Sm III 2 ] complex were measured using a FLS920 time-resolved fluorescence spectrometer (Edinburgh, United Kingdom). DFT calculations were performed on H 2 L and the [Zn II 2 -Sm III 2 ] complex using the Gaussian 09 software package [33,35,47,54]. The test methods of other instruments used in this paper are the same as those in the previous literature [27,66].…”

Section: General Detailsmentioning

confidence: 99%

“…Many homopolynuclear or heteropolynuclear complexes have been studied with salen-like or salamo-like complexes [9][10][11][12][13][14][15][16][17]. In addition to potential applications in the fields of magnetism [18][19][20][21][22][23][24][25], catalysis [26,27], biology [28][29][30][31][32], electrochemical research [33][34][35][36][37], functional [38][39][40] and nonlinear optical materials [41][42][43][44][45][46][47], such complexes also play an important role in the field of supramolecular building [48][49][50][51] and sensors [52][53][54][55][56]. The luminescence of rare-earth complexes has been a hot ar...…”

Section: Introductionmentioning

confidence: 99%

Fluorescence Properties and Density Functional Theory Calculation of a Structurally Characterized Heterotetranuclear [ZnII2–SmIII2] 4,4′-Bipy-Salamo-Constructed Complex

et al. 2019

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A new heterotetranuclear complex, [{Zn(L)Sm(NO3)3}2(4,4′-bipy)]·2CH3OH, was synthesized via an unsymmetrical single salamo-like ligand H2L: 6-methoxy-6′-ethoxy-2,2′-[ethylenedioxybis(azinomethyl)]diphenol, with Zn(OAc)2·2H2O, Sm(NO3)3·6H2O, and 4,4′-bipyridine by the one-pot method. The [ZnII2–SmIII2] complex was validated via elemental analysis, powder X-ray diffraction (PXRD) analysis, infrared spectroscopy, and ultraviolet–visible (UV–Vis) absorption spectroscopy. The X-ray single crystal diffraction analysis of the [ZnII2–SmIII2] complex was carried out via X-ray single-crystal crystallography. The crystal structure and supramolecular features were discussed. In addition, while studying the fluorescence properties of the [ZnII2–SmIII2] complex, the density functional theory (DFT) calculation of its structure was also performed.

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“…The salamo-like ligands and their metal complexes have special properties and potential applications. For example, they are widely used in the fields of magnetic materials [18][19][20][21], electrochemistry [22][23][24][25], catalysis [26][27][28][29][30], luminescence [31][32][33][34][35][36], ion recognition [37][38][39][40], biological antibacterial [41][42][43], and supramolecular architecture [44][45][46][47][48][49]. In addition, the potential applications of polynuclear metal N 2 O 2 -donor complexes in photoelectric, magnetic, and porous materials are interesting [50,51].…”

Section: Introductionmentioning

confidence: 99%

Unprecedented Dinuclear CuII N,O-Donor Complex: Synthesis, Structural Characterization, Fluorescence Property, and Hirshfeld Analysis

Sun

Pan

et al. 2019

Crystals

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An unprecedented dinuclear Cu II complex, [Cu 2 (L 2 ) 2 ], derived from a salamo-like chelating ligand H 2 L 2 , was produced by the cleavage of a newly synthesized, half-salamo-like ligand HL 1 (2-[O-(1-ethyloxyamide)]oxime-3,5-dichloro-phenol). This was synthesized and characterized by elemental analyses, IR, UV-Vis and fluorescent spectra, single crystal X-ray diffraction analysis, and Hirshfeld surface analysis. X-ray crystallographic analysis indicated that the two Cu II (Cu1 and Cu2) ions bore different (N 2 O 3 and N 2 O 2 ) coordination environments, the penta-coordinated Cu1 ion possessed a slightly twisted tetragonal pyramid geometry with the τ value τ = 0.004, and the tetra-coordinated Cu2 ion showed a slightly twisted square planar geometry. Interestingly, one oxime oxygen atom participated in the coordination reported previously. Moreover, an infinite two-dimensional layered supramolecular network was formed. Compared with HL 1 , the Cu II complex possessed the characteristic of fluorescence quenching.Crystals 2019, 9, 607 2 of 15 complexes, the participation of oxime oxygen atoms of salamo-like ligands in coordination should be constantly emerging.In order to study the structures and properties of metal salamo-like complexes, we have designed and synthesized a new half-salamo-like ligand, HL 1 , and a Cu II complex [Cu 2 (L 2 ) 2 ]. The Cu II complex [Cu 2 (L 2 ) 2 ] was obtained by the reaction of the ligand HL 1 with Cu(OAc) 2 ·H 2 O and contained no acetate ion. This contrasts with the salamo-like complexes previously reported [52,53], in which an acetate ion often accompanied and coordinated with metal ions. The fluorescence property and Hirshfeld surface analysis of the Cu II complex were studied [54]. Experimental Materials and Instrumentation2-Hydroxy-3,5-dichlorobenzaldehyde of 99% purity was obtained from the Alfa Aesar. The other reagents and solvents used in the experiment were purchased from the Tianjin Chemical Reagent Factory at the analytical reagent level and used without further purification [55]. Elemental analyses of metal element (Cu) and non-metallic elements (C, H, and N) were measured by an atomic emission spectrometer (IRIS ER/S·WP-1 ICP) and automatic elemental detection analyzer (GmbH VariuoEL V3.00) from Berlin, Germany, respectively, melting points were measured by the use of a microscopic melting point apparatus made by the Beijing Taike Instrument Limited Company (Beijing, China) and was uncorrected, 1H NMR (nuclear magnetic resonance) spectra were measured by German Bruker AVANCE DRX-400/600 spectroscopy (Bruker AVANCE, Billerica, MA, USA), single crystal X-ray structure data was collected by a CCD surface detecting diffractometer (Bruker, Germany), and Mo-Kα (λ = 0.71073 Å) ray radiation was monochromated with graphite, IR spectra were recorded on a VERTEX 70 spectrophotometer with samples prepared as KBr (500-4000 cm −1 ) from Bruker, Germany, UV-Vis spectra were measured on a UV-3900 spectrophotometer from Hitachi, Tokyo, Japan, fluorescence spectra were recorded ...

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A highly sensitive and selective fluorescent “off-on-off” relay chemosensor based on a new bis(salamo)-type tetraoxime for detecting Zn2+ and CN−

Cited by 91 publications

References 67 publications

Single‐armed salamo‐like dioxime and its multinuclear Cu (II), Zn (II) and Cd (II) complexes: Syntheses, structural characterizations, Hirshfeld analyses and fluorescence properties

Single‐armed salamo‐like dioxime and its multinuclear Cu (II), Zn (II) and Cd (II) complexes: Syntheses, structural characterizations, Hirshfeld analyses and fluorescence properties

Fluorescence Properties and Density Functional Theory Calculation of a Structurally Characterized Heterotetranuclear [ZnII2–SmIII2] 4,4′-Bipy-Salamo-Constructed Complex

Unprecedented Dinuclear CuII N,O-Donor Complex: Synthesis, Structural Characterization, Fluorescence Property, and Hirshfeld Analysis

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