Gold(i) bridged dimeric and trimeric heterometallic {Cr₇Ni}-based qubit systems and their characterization

Abstract

Gold(I) bridged dimeric and trimeric structures of a ground state spin S=1/2 heterometallic {Cr7Ni} wheel have been prepared and studied by continuous wave (CW) and pulsed wave EPR spectrometry. The...

Lanthanide induced variability in localised CoII geometries of four triangular L3Co3IILnIII complexes

“…Heterometallic polynuclear complexes have been explored in many elds of science from antibacterial agents [9][10][11] and molecular machines, [12][13][14][15] to heterogenous catalysts, [16][17][18][19] molecular magnets, [20][21][22][23][24][25] and spintronic devices. [26][27][28][29][30] A hexa-phenolate macrocycle, templated with an all-in-plane tetranuclear Zn 3 LaO 6 3d/4f core, was rst reported by Nabeshima. 31 This metal cation templated route provided a vast improvement in yield over their previous metal-free attempts to perform 3 + 3 Schiff base condensations of 1,4diformylbenzene-2,3-diol with various diamine linkers.…”

“…Heterometallic polynuclear complexes have been explored in many fields of science from antibacterial agents 9–11 and molecular machines, 12–15 to heterogenous catalysts, 16–19 molecular magnets, 20–25 and spintronic devices. 26–30…”

The First Tetranuclear Iron(II)‐Gadolinium(III) Carboxylate Complex [Fe2Gd2(piv)10(bpy)2]: Synthesis, Structure Elucidation and Magnetic Properties

“…[22][23][24] One of the promising ligands in the coordination chemistry of 3d-4f-heterometallic complexes is carboxylate ligands (benzoates, acetates, pivalates etc.). [25][26][27][28][29][30] Our investigations in this area are aimed to disclose the structure-properties relationship in the coordination chemistry of heterometallic carboxylates [31][32][33][34][35][36] including polynuclear heterometallic lanthanide derivatives of the types {M 2 Ln} (e. g., M=Zn, Ln=Tb, Eu; M=Co, Ln=La, Gd; M=Cd, Ln=Sm, Eu, Tb, Dy, Ho, Er, Yb) [37][38][39][40][41] and {M 2 Ln 2 } (e. g., M=Zn, Cd, Ln=La; Eu, Nd, Gd, Tb, Dy; M=Cu, Ln=Gd, Tb, Dy, Ho, Yb) [42][43][44][45] supported mainly by different donor ligands: pyridine, [37,40,42] 2,2'-bipyridine, 1,10phenanthroline, [37,40,[42][43][44] triphenylphosphine, [39] N-heterocyclic carbene. [38] Trinuclear {Co 2 Gd} complexes based on pivalic acid and supported by substituted pyridine ligands were found to demonstrate a ferromagnetic exchange Co II À Gd III (J CoÀ Gd = 0.15-0.18 cm À 1 ) which is only weakly affected by the structural changes depending on the type of pyridine ligand.…”

“…One of the promising ligands in the coordination chemistry of 3d–4f‐heterometallic complexes is carboxylate ligands (benzoates, acetates, pivalates etc.) [25–30] . Our investigations in this area are aimed to disclose the structure‐properties relationship in the coordination chemistry of heterometallic carboxylates [31–36] including polynuclear heterometallic lanthanide derivatives of the types {M 2 Ln} (e. g., M=Zn, Ln=Tb, Eu; M=Co, Ln=La, Gd; M=Cd, Ln=Sm, Eu, Tb, Dy, Ho, Er, Yb) [37–41] and {M 2 Ln 2 } (e. g., M=Zn, Cd, Ln=La; Eu, Nd, Gd, Tb, Dy; M=Cu, Ln=Gd, Tb, Dy, Ho, Yb) [42–45] supported mainly by different donor ligands: pyridine, [37,40,42] 2,2′‐bipyridine, 1,10‐phenanthroline, [37,40,42–44] triphenylphosphine, [39] N‐heterocyclic carbene [38] .…”