-
Article
Open AccessAggregation induced emission dynamic chiral europium(III) complexes with excellent circularly polarized luminescence and smart sensors
The synthesis of dynamic chiral lanthanide complex emitters has always been difficult. Herein, we report three pairs of dynamic chiral EuIII complex emitters (R/S-Eu-R-1, R = Et/Me; R/S-Eu-Et-2) with aggregation-...
-
Article
Lanthanide-Base Helical Chain Constructed by In Situ Schiff Base Reaction: Structures and Magnetic Properties
Schiff base ligands with multiple chelating coordination sites are usually able to quickly capture lanthanide metal ions to form complexes, and it is difficult to twist and construct helical chains. In this wo...
-
Article
Heterometallic 3d/4f-Metal Complexes: Structure and Magnetism
In the past two decades, tremendous progress has been made in the field of single-molecule magnets (SMMs), which not only achieves breakthroughs in various key indicators (flip** energy barrier and hysteresi...
-
Article
Sandglass-Shaped Ln9III Cluster Containing Two Quadrangular Pyramids (Ln5O5) Shared by Vertices: Structure, Magnetic and Photoresponsive Metal Ion Sensing
Based on the large ground state spin value and orbital quenching angular momentum of Dy(III) ions, significant magnetic anisotropy is generated. Most of the related studies of single-molecule magnets are carri...
-
Article
Open AccessAssembly of Dy60 and Dy30 cage-shaped nanoclusters
Rapid kinetics, complex and diverse reaction intermediates, and difficult screening make the study of assembly mechanisms of high-nuclearity lanthanide clusters challenging. Here, we synthesize a double-cage d...
-
Article
Stepwise Fragmentation of Asymmetric Triangular Shape Ln3 Cluster and Magnetocaloric Effect of Gd3 Analogue
N-Methylbenzimidazole-2-methanol (L) and Ln(NO3)3·6H2O are dissolved in a mixed solvent of methanol and acetonitrile and then reacted at 80 °C to obtain [Ln3(L)5(NO3)4] (Ln3, Ln = Gd, Tb). In Ln3, three L− are lo...
-
Article
Open AccessTracking the Multistep Formation of Ln(III) Complexes with in situ Schiff Base Exchange Reaction and its Highly Selective Sensing of Dichloromethane
Four complexes, namely, [Ln2(L2)2(NO3)4]. 2CH3OH (Ln = Tb (1), Dy (2), Ho (3), Er (4), and L2 = (E)-2-methoxy-6-(((pyridin-2-ylmethyl)imino)methyl)phenol), were obtained by reacting (E)-2-((3-methoxy-2-oxidobenzy...
-
Article
Two cobalt metal-organic frameworks constructed from mixed ligands and their magnetic properties
The reaction of the polycarboxylic acid ligand tri(2-carboxyethyl)-isocyanurate ( \(\hbox {H}_{3}\hbox {L}_{1}\) ...
-
Article
Oriented Synthesis of Chair-Shaped Ln3 + Ln3 Clusters and Magnetic Properties
2-Hydroxy-3-methoxybenzaldehyde (L1), 3-amino-1,2-propanediol (L2), trimethylacetic acid (pivalate) and Ln(NO3)3·6H2O were reacted at 80 °C to obtain two hexanuclear clusters [Ln6(HL)2(μ3-OH)2(μ3-OCH3)2(C5H9O2)10
-
Article
Synthesis, Structure and Magnetic Properties of a Series of Defective Dicubic Ln2Ni2 Clusters
The coupling reaction of 2-hydroxy-3-methoxybenzaldehyde with 3-amino-1,2-propanediol under solvothermal conditions gives Schiff-base ligand 3-[(2-hydroxy-3-methoxy)-phenylmethyleneamino]-1,2-propanediol (H3L). F...
-
Article
Synthesis, structures, and properties of a family of 3d-based MOFs constructed from mixed ligands
By the use of co-ligands tri(2-carboxyethyl)-isocyanurate) (H3tci) and 1H-3-(3-pyridyl)-5-(4-pyridyl)-1,2,4-triazole (3,4′-bpt), three coordination complexes, [Co3(tci)2(3,4′-bpt)2(H2O)4]·4H2O (1), [Cu3(tci)2(3,4...
-
Article
Structure and Magnetic Properties of a 3d–4f-Doped Hexagonal Heterometallic Cluster
2-(2,3-Dihydroxpropyliminomethyl)6-methoxyphenol (H3L), trimethylacetic acid (Hpiv), Dy(NO3)3·6H2O and Co(NO3)2·6H2O were reacted at 80 °C to obtain a heterometallic hexanuclear cluster [Dy2Co4(L)2(μ3-OH)2(piv)8]...
-
Article
A [Cu3] Cluster-Based Chain Featuring Linkages of Acylhydrazone N–N Single Bonds and Cl− Ions: Synthesis, Structure and Magnetic Properties
A Cu coordiantion polymer, namely, [Cu3(ovph)(Py)2Cl2] (1) [H4ovph = N,N′-bis(o-vanillidene)pyridine-2,6-dicarbohydrazide]; Py = Pyridine], was synthesized by solvothermal reaction of copper acetate and diacylhyd...
-
Article
A Family of \(\left\{ {{\text{Ni}}^{\text{II}}_{2} {\text{Ln}}^{\text{III}}_{2} } \right\}\) Butterfly Complexes: Lanthanide Contraction Effect on the Structures Magnetic Properties
Reactions of lanthanide nitrate, nickel nitrate, and polyhydroxyl Schiff-base ligand 2-(((2-hydroxy-3-methoxyphenyl)methylene)amino)-2-(hydroxymethyl)-1,3-propanediol (H4L) gave rise to a family of butterfly hete...
-
Article
Synthesis, Structure, and Magnetic Properties of a Twist Linear Tetranuclear Co 2 III Ln 2 III Complexes
A series of twist linear tetranuclear 3d–4f Co 2 III Ln 2 III [Ln = Gd (1), Tb (2), Dy (3), Ho (4), Er (5)...
-
Article
Structures and Magnetic Properties of Three Heterobimetallic 3d–4f Hexanuclear Complexes
Three butterfly heterhexanuclear 3d–4f clusters have been prepared under solvothermal conditions and structurally characterized by IR spectroscopy, elemental analyses, thermal analyses, and single-crystal X-ra...
-
Article
A series of 3d metal complexes prepared by in situ reactions of a flexible diacylhydrazine ligand: synthesis, structures and magnetic properties
The coordination reactions of 3d metal salts with malonic acid N,N′-bis(salicyloyl) bishydrazide (H6mbshz) afforded three complexes, namely [Cu2(H2bshz)(Py)4Cl2]·Py (1) (Py = pyridine), [Fe2(bshz)(Py)2] (2) and t...
-
Article
Synthesis, Crystal Structures and Properties of a Series of Lanthanide Adipates [Ln 2(ad)3(H2O)4] (Ln = Y3+, Ho3+, Er3+, Tm3+)
A series of lanthanides adipates [Ln 2(ad)3(H2O)4] [Ln = Y3+ (1), Ho3+ (2), Er3+ (3), Tm3+ (4); ad = adipate] have been hydrothermally synthesized and structurally characterized by elem...
-
Article
Solvothermal synthesis and structures of three novel heterometallic microporous coordination polymers assembled from 2-hydroxy-nicotinic acid
Three novel heterometallic microporous coordination polymers {M(Hnico)3M′} n (1, M = Co, M′ = K; 2, M = Ni, M′ = K; 3, M = Co, M′ = Na, Hnico is the anion of 2-hydroxy-nicot...
