Crystal and molecular structure of and magnetic coupling in two complexes containing gadolinium(III) and copper(II) ions

Bencini, Alessandro; Benelli, C.; Caneschi, Andréa; Carlin, Richard L.; Dei, Andrea; Gatteschi, Dante

doi:10.1021/ja00312a054

Cited by 533 publications

(327 citation statements)

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“…Some of the Schiff-base complexes possess interesting nonlinear optical [5,6] and magnetic properties [7,8]. On the other hand, fluorescent complexes have been extensively studied mainly because they may be good candidates for fluorescent sensors and electroluminescent (EL) devices [9,10].…”

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confidence: 99%

Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes

et al. 2013

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Two novel zinc Schiff-base complexes, bis-(N-(2-hydroxybenzidene)-p-aminodimethylaniline)zinc(II) (2) and bis-(N-(2-hydroxy-1-naphthidene)-p-aminodimethylaniline)zinc(II) (4) were designed and synthesized. Both the complexes exhibit good solubility in organic solvents and excellent thermal stabilities. A single crystal of 2 was grown and its crystalline structure was determined from X-ray diffraction data. Analysis of the electronic structures of both the zinc complexes calculated by density functional theory reveals a localization of orbital. The UV-Vis absorption and photoluminescence profiles of 4 in thin film are similar to those of 2, but the emission for 4 is red-shifted compared to 2. Three-layered devices with a configuration of ITO/NPB/2/Alq 3 /LiF/Al and ITO/NPB/4/Alq 3 /LiF/Al show a yellow and red emission, respectively. zinc complexes, Schiff-base ligands, electroluminescence Citation:Wang L P, Jiao S B, Zhang W F, et al. Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes.

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confidence: 99%

Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes

et al. 2013

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“…Little information is obtained from the room temperature polycrystalline powder EPR spectrum. The EPR spectrum of liquid nitrogen temperature in DMF solution of complex (2) exhibits an anisotropic broad signal around ∼ 2.03 which may suggest a weak magnetic spin-exchange interaction between Gd(III) and Cu(II) ions [39] as shown in Figure 7.…”

Section: Magnetic Moment and Eprmentioning

confidence: 97%

Synthesis and Characterization of Heteronuclear Copper(II)-Lanthanide(III) Complexes of N,N′-1,3-Propylenebis(Salicylaldiminato) Where Lanthanide(III) = Gd or Eu

Singh

2013

International Journal of Inorganic Chemistry

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Three complexes, namely, [Cu(salbn)] (1), [Cu(salbn)Gd(NO 3 ) 3 ⋅H 2 O] (2), and [Cu(salbn)Eu(NO 3 ) 3 ⋅H 2 O] (3) where salbn = N,N -1,3-propylenebis (salicylaldiminato) have been synthesized and characterized by elemental analyses, ICP-AES, IR, UV, NMR, MS, EDX, powder XRD, and EPR spectroscopies. The EDX results suggest the presence of two different metal ions in heteronuclear complexes (2) and (3). The ligand(salbn), complex (1), and complex (3) crystallize in triclinic system while complex (2) crystallizes in monoclinic system. The EPR studies suggest that [Cu(salbn)] complex is tetragonally coordinated monomeric copper(II) complex with unpaired electron in the 2 − 2 orbital and spectral features that are the characteristics of axial symmetry while complex (2) in DMF solution at liquid nitrogen temperature exhibits an anisotropic broad signal around g ∼ 2.03 which may suggest a weak magnetic spin-exchange interaction between Gd(III) and Cu(II) ions. The fluorescence intensity of Eu(III) decreased markedly in the complex (3).

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“…8 The family of complexes with aza-macrocyclic ligands has remained a focus of scientific attention for many decades. 9 Schiff base polyazamacrocyclic complexes have under gone a phenomenal growth during the recent years because of the versatility offered by these complexes in the field of industries, catalysis and in biological systems [10][11][12][13][14][15] etc.…”

Section: 2mentioning

confidence: 99%

Synthesis and Characterization of Homo Binuclear Complexes of UO₂(VI), Th(IV), ZrO(IV) and VO(IV) with Polyaza Macrocyclic Schiff-Bases

Mohapatra¹,

Rout²,

Dash³

2011

Journal of the Korean Chemical Society

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Crystal and molecular structure of and magnetic coupling in two complexes containing gadolinium(III) and copper(II) ions

Cited by 533 publications

References 1 publication

Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes

Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes

Synthesis and Characterization of Heteronuclear Copper(II)-Lanthanide(III) Complexes of N,N′-1,3-Propylenebis(Salicylaldiminato) Where Lanthanide(III) = Gd or Eu

Synthesis and Characterization of Homo Binuclear Complexes of UO₂(VI), Th(IV), ZrO(IV) and VO(IV) with Polyaza Macrocyclic Schiff-Bases

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Crystal and molecular structure of and magnetic coupling in two complexes containing gadolinium(III) and copper(II) ions

Cited by 533 publications

References 1 publication

Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes

Synthesis, structure, optoelectronic properties of novel zinc Schiff-base complexes

Synthesis and Characterization of Heteronuclear Copper(II)-Lanthanide(III) Complexes of N,N′-1,3-Propylenebis(Salicylaldiminato) Where Lanthanide(III) = Gd or Eu

Synthesis and Characterization of Homo Binuclear Complexes of UO2(VI), Th(IV), ZrO(IV) and VO(IV) with Polyaza Macrocyclic Schiff-Bases

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Synthesis and Characterization of Homo Binuclear Complexes of UO₂(VI), Th(IV), ZrO(IV) and VO(IV) with Polyaza Macrocyclic Schiff-Bases