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Themed collection Modern coordination chemistry

43 items
Editorial

Modern coordination chemistry

This special issue of Dalton Transactions is to mark the 60th birthday of Professor Dr. Annie K. Powell. The issue highlights advances in Modern Coordination Chemistry.

Graphical abstract: Modern coordination chemistry
From the themed collection: Modern coordination chemistry
Open Access Perspective

Metal-supported and -assisted stereoselective cooperative photoredox catalysis

In this perspective, we review those stereoselective photocatalytic reactions that use synergy between photoredox catalysts and transition metal catalysts.

Graphical abstract: Metal-supported and -assisted stereoselective cooperative photoredox catalysis
From the themed collection: 2019 Frontier and Perspective articles
Perspective

Spin-crossover in iron(II)-Schiff base complexes

A collective overview of iron(II)-Schiff base complexes, showing abrupt and hysteretic SCO suitable for device applications, and the structure–property relationships governing the SCO of the complexes in the solid-state is presented.

Graphical abstract: Spin-crossover in iron(ii)-Schiff base complexes
From the themed collection: 2019 Frontier and Perspective articles
Perspective

Recent developments in single-molecule toroics

An update overview of emerging single-molecule toroics (SMTs) is expounded to elucidate the strategy to design SMTs and ultimately inspire the seeking of SMTs with enhanced toroidal moment.

Graphical abstract: Recent developments in single-molecule toroics
From the themed collection: 2019 Frontier and Perspective articles
Communication

Field-induced slow magnetic relaxation in the first Dy(III)-centered 12-metallacrown-4 double-decker

The first double-decker Ga(III)/Dy(III) 12-MC-4 complex has been isolated and magnetic studies revealed its SMM properties.

Graphical abstract: Field-induced slow magnetic relaxation in the first Dy(iii)-centered 12-metallacrown-4 double-decker
From the themed collection: Modern coordination chemistry
Communication

Zinc–dysprosium functionalized amyloid fibrils

The heterometallic Zn2Dy2 entity bearing partially saturated metal centres covalently decorates a highly ordered amyloid fibril core and the functionalised assembly exhibits catalytic Lewis acid behaviour.

Graphical abstract: Zinc–dysprosium functionalized amyloid fibrils
From the themed collection: Modern coordination chemistry
Communication

Isostructural iron(III) spin crossover complexes with a tridentate Schiff base-like ligand: X-ray structures and magnetic properties

Two isostructural iron(III) spin crossover complexes show anion-size dependent spin crossover.

Graphical abstract: Isostructural iron(iii) spin crossover complexes with a tridentate Schiff base-like ligand: X-ray structures and magnetic properties
From the themed collection: Modern coordination chemistry
Open Access Paper

Magnetic anisotropy in trigonal planar Fe(II) bis(trimethylsilyl)amido complexes of the type [Fe{N(SiMe3)2}2L]—experiment and theory

The paper presents a combined experimental and theoretical study of the influence of the type of neutral ligand L on the electronic and magnetic properties of trigonal planar iron(II) bis(trimethylsilyl)amido complexes [Fe(N(SiMe3)2L].

Graphical abstract: Magnetic anisotropy in trigonal planar Fe(ii) bis(trimethylsilyl)amido complexes of the type [Fe{N(SiMe3)2}2L]—experiment and theory
From the themed collection: Modern coordination chemistry
Paper

Long-lived MLCT states for Ru(II) complexes of ferrocene-appended 2,2′-bipyridines

In this study, we present two ruthenium(II) diimine complexes appended with ferrocene which show metal to ligand charge transfer 3MLCT emission lifetimes around 630 ns.

Graphical abstract: Long-lived MLCT states for Ru(ii) complexes of ferrocene-appended 2,2′-bipyridines
From the themed collection: Modern coordination chemistry
Paper

Comparison of two field-induced ErIII single ion magnets

Herein we present the synthesis, and magnetic and photophysical properties of four mononuclear LnIII complexes, among which the two ErIII complexes 2 and 4 exhibit field-induced SIM behaviour that provides a new route towards air-stable erbium SIMs.

Graphical abstract: Comparison of two field-induced ErIII single ion magnets
From the themed collection: Modern coordination chemistry
Paper

Tetranuclear oxido-bridged thorium(IV) clusters obtained using tridentate Schiff bases

The reactions of tetravalent thorium, an element named after the Scandinavian God of thunder and war, with tridentate Schiff bases give tetranuclear complexes with the extremely rare {ThIV44-O)} unit and interesting properties.

Graphical abstract: Tetranuclear oxido-bridged thorium(iv) clusters obtained using tridentate Schiff bases
From the themed collection: Modern coordination chemistry
Paper

New examples of triangular terbium(III) and holmium(III) and hexagonal dysprosium(III) single molecule toroics

The synthesis, structures, magnetism and ab initio calculations are presented for three new triangular Ln3 single molecule toroidal species, Ln = Tb, Dy and Ho, and for a new hexagonal Dy6 wheel compound.

Graphical abstract: New examples of triangular terbium(iii) and holmium(iii) and hexagonal dysprosium(iii) single molecule toroics
From the themed collection: Modern coordination chemistry
Paper

Tetraoxolene-bridged rare-earth complexes: a radical-bridged dinuclear Dy single-molecule magnet

A radical bromanilate-bridged dinuclear Dy(III) complex exhibits improved single-molecule magnet performance over the parent compound with a diamagnetic bridge.

Graphical abstract: Tetraoxolene-bridged rare-earth complexes: a radical-bridged dinuclear Dy single-molecule magnet
From the themed collection: Modern coordination chemistry
Open Access Paper

Highly soluble fluorine containing Cu(I) AlkylPyrPhos TADF complexes

Newly luminescent Cu(I) AlkylPyrPhos complexes with a special focus on fluorine have been synthesized and comprehensively investigated by a variety of spectroscopic and theoretical methods.

Graphical abstract: Highly soluble fluorine containing Cu(i) AlkylPyrPhos TADF complexes
From the themed collection: Modern coordination chemistry
Paper

Biological evaluation of optically pure chiral binuclear copper(II) complexes based on a rosin derivative as highly potential anticancer agents

An optically pure binuclear copper(II) complex was prepared based on a rosin derivative, which is a DNA/BSA binder and a potential drug with multifunctional anticancer effects.

Graphical abstract: Biological evaluation of optically pure chiral binuclear copper(ii) complexes based on a rosin derivative as highly potential anticancer agents
From the themed collection: Modern coordination chemistry
Paper

Accessing γ-Ga2S3 by solventless thermolysis of gallium xanthates: a low-temperature limit for crystalline products

Alkyl-xanthato gallium(III) complexes, [Ga(S2COR)3] where R = Me, Et, iPr, nPr, nBu, sBu and iBu, have been synthesized and examined as potential precursors for gallium sulfides.

Graphical abstract: Accessing γ-Ga2S3 by solventless thermolysis of gallium xanthates: a low-temperature limit for crystalline products
From the themed collection: Modern coordination chemistry
Paper

Vibrational properties and cooperativity of the 3D spin crossover network [Fe(pyrazine)][Pt(CN)4]

Nuclear inelastic scattering experiments and DFT calculations have been performed to explore the vibrational properties and molecular modes for the high-spin and low-spin phases of the spin crossover network [Fe(pyrazine)][Pt(CN)4].

Graphical abstract: Vibrational properties and cooperativity of the 3D spin crossover network [Fe(pyrazine)][Pt(CN)4]
From the themed collection: Modern coordination chemistry
Paper

Synthesis, characterization and anti-cancer properties of water-soluble bis(PYE) pro-ligands and derived palladium(II) complexes

Water soluble bis(PYE) pro-ligands and derived Pd(II) complexes show activity against breast cancer cells.

Graphical abstract: Synthesis, characterization and anti-cancer properties of water-soluble bis(PYE) pro-ligands and derived palladium(ii) complexes
From the themed collection: Modern coordination chemistry
Paper

Polyoxometalate-based high-spin cluster systems: a NMR relaxivity study up to 1.4 GHz/33 T

Paramagnetic polyoxometalates are of special interest with regard to their application as alternative contrast agents in nonhuman magnetic resonance imaging which is increasingly used in materials science and process engineering.

Graphical abstract: Polyoxometalate-based high-spin cluster systems: a NMR relaxivity study up to 1.4 GHz/33 T
From the themed collection: Modern coordination chemistry
Paper

Design and photophysical studies of iridium(III)–cobalt(III) dyads and their application for dihydrogen photo-evolution

We report several new dyads constituted of cationic iridium(III) photosensitizers and cobalt(III) catalyst connected via free pendant pyridine on the photosensitizers.

Graphical abstract: Design and photophysical studies of iridium(iii)–cobalt(iii) dyads and their application for dihydrogen photo-evolution
From the themed collection: Modern coordination chemistry
Paper

Knock-on synthesis of tritopic calix[4]pyrrole host for enhanced anion interactions

Anion interactions have been optimized in a tritopic host prepared by using ‘knock-on’ synthesis of calix[4]pyrrole and their anion binding properties evaluated using different spectroscopic methods.

Graphical abstract: Knock-on synthesis of tritopic calix[4]pyrrole host for enhanced anion interactions
From the themed collection: Modern coordination chemistry
Paper

All about that base: investigating the role of ligand basicity in pyridyl complexes derived from a copper-Schiff base coordination polymer

Ligand pKa and Hammett parameter are key in rationalising the formation of complexes with a soluble copper(II) Schiff base unit.

Graphical abstract: All about that base: investigating the role of ligand basicity in pyridyl complexes derived from a copper-Schiff base coordination polymer
From the themed collection: Modern coordination chemistry
Open Access Paper

The influence of the FeCp(CO)2+ moiety on the dynamics of the metalloid [Ge9(Si(SiMe3)3)3] cluster in thf: synthesis and characterization by time-resolved absorption spectroscopy

Photoexcitation of a newly synthesized, neutral tetrasubstituted Ge9 cluster with a covalently bound transition metal substituent led to a complete ground state recovery within 150 ps indicating the strong influence of the Fe moiety.

Graphical abstract: The influence of the FeCp(CO)2+ moiety on the dynamics of the metalloid [Ge9(Si(SiMe3)3)3]− cluster in thf: synthesis and characterization by time-resolved absorption spectroscopy
From the themed collection: Modern coordination chemistry
Paper

Spin state solvomorphism in a series of rare S = 1 manganese(III) complexes

Structural, magnetic and spectroscopic data on four new spin triplet Mn3+ complexes reveals a large magnetic anisotropy. Spin state is sensitive to lattice contents as the spin quintet ground state is stabilized on co-crystallization with ethanol.

Graphical abstract: Spin state solvomorphism in a series of rare S = 1 manganese(iii) complexes
From the themed collection: Modern coordination chemistry
Open Access Paper

Synthesis, structure and electrochemical characterization of an isopolytungstate (W4O16) held by MnII anchors within a superlacunary crown heteropolyanion {P8W48}

The first example of an isopolyanion (W4O16) held by redox-active MnII anchors within an archetypal superlacunary heteropolyanion {P8W48}.

Graphical abstract: Synthesis, structure and electrochemical characterization of an isopolytungstate (W4O16) held by MnII anchors within a superlacunary crown heteropolyanion {P8W48}
From the themed collection: Modern coordination chemistry
Paper

Correlating magnetic anisotropy with [Mo(CN)7]4− geometry of MnII–MoIII magnetic frameworks

The magnetic coercivity of four new heptacyanomolybdate(III)-based coordination polymers is correlated with the geometry of the [MoIII(CN)7]4− anion and the cyanide bridging pattern of the framework.

Graphical abstract: Correlating magnetic anisotropy with [Mo(CN)7]4− geometry of MnII–MoIII magnetic frameworks
From the themed collection: Modern coordination chemistry
Paper

Ionic-liquid-based synthesis of tellurium–rhenium carbonyls with specific reaction control

The novel tellurium rhenium carbonyls [TeI2Re(CO)5][AlCl4] (1), [BMIm][Te2I4(μ-I)2Re(CO)4] (2), {Te3I2(μ-I)33-I)}Re(CO)3 (3) and [BMIm][(Te2)3{Re(CO)3}2{Re(CO)4}3] (4) were prepared by reacting TeI4 and Re2(CO)10 in ionic liquids (ILs).

Graphical abstract: Ionic-liquid-based synthesis of tellurium–rhenium carbonyls with specific reaction control
From the themed collection: Modern coordination chemistry
Paper

Spiropyrans for light-controlled drug delivery

The supramolecular assembly of acetylsalicylic acid to a merocyanine–Zn complex translates into a photo-controllable drug delivery system.

Graphical abstract: Spiropyrans for light-controlled drug delivery
From the themed collection: Modern coordination chemistry
Paper

Abrupt spin crossover in iron(III) complexes with aromatic anions

Two iron(III) complexes, [Fe(qsal-X)2]OTs·nH2O, are found to exhibit abrupt spin crossover with the spin transition temperature substituent dependent, and X⋯O halogen bonds linking the spin centres.

Graphical abstract: Abrupt spin crossover in iron(iii) complexes with aromatic anions
From the themed collection: Modern coordination chemistry
Paper

Field-induced slow magnetic relaxation in two-dimensional and three-dimensional Co(II) coordination polymers

Two two-dimensional and three-dimensional Co(II) coordination polymers with slow magnetic relaxation are reported, which enlarge the family of high-dimensional coordination polymers exhibiting single ion magnet behavior.

Graphical abstract: Field-induced slow magnetic relaxation in two-dimensional and three-dimensional Co(ii) coordination polymers
From the themed collection: Modern coordination chemistry
Paper

Photophysical and biological investigation of phenol substituted rhenium tetrazolato complexes

Rhenium tetrazolato complexes appended to phenol substituents are exploited for cell labelling.

Graphical abstract: Photophysical and biological investigation of phenol substituted rhenium tetrazolato complexes
From the themed collection: Modern coordination chemistry
Paper

Trivalent copper stabilised by acetylacetone dithiocarbazate Schiff base ligands: structural, spectroscopic and electrochemical properties

The copper coordination chemistry of bis(dithiocarbazate) Schiff base ligands derived from acetylacetone yields a diversity of products depending on the reaction conditions and presence of oxygen. Both di- and trivalent copper complexes have been isolated and characterised.

Graphical abstract: Trivalent copper stabilised by acetylacetone dithiocarbazate Schiff base ligands: structural, spectroscopic and electrochemical properties
From the themed collection: Modern coordination chemistry
Paper

A highly augmented, (12,3)-connected Zr-MOF containing hydrated coordination sites for the catalytic transformation of gaseous CO2 to cyclic carbonates

A Zr-MOF, which contains partially hydrated, 12-connected {Zr6} nodes and extended carboxylate ligands was synthesized, characterised and utilised in CO2 cycloaddition catalysis.

Graphical abstract: A highly augmented, (12,3)-connected Zr-MOF containing hydrated coordination sites for the catalytic transformation of gaseous CO2 to cyclic carbonates
From the themed collection: Modern coordination chemistry
Open Access Paper

Investigation of the magnetic anisotropy in a series of trigonal bipyramidal Mn(II) complexes

The trigonal symmetry around the MnII ion is fine-tuned to control the rhombic zero-field splitting.

Graphical abstract: Investigation of the magnetic anisotropy in a series of trigonal bipyramidal Mn(ii) complexes
From the themed collection: Modern coordination chemistry
Open Access Paper

High relaxation barrier in neodymium furoate-based field-induced SMMs

Two new neodymium molecular magnets of formula {[Nd(α-fur)3(H2O)2]·DMF}n (1) and {[Nd0.065La0.935(α-fur)3(H2O)2]}n (2), α-fur = C4H3OCOO, have been synthesized and characterized.

Graphical abstract: High relaxation barrier in neodymium furoate-based field-induced SMMs
From the themed collection: Modern coordination chemistry
Paper

Azamacrocycles and tertiary amines can be used to form size tuneable hollow structures or monodisperse oxide nanoparticles depending on the ‘M’ source

1,4,8,11-Tetraazacyclodecane plus (a) a silicon catecholate ion generates novel hollow tetragonal crystalline materials, and (b) tetramethoxysilane generates amorphous silica sols.

Graphical abstract: Azamacrocycles and tertiary amines can be used to form size tuneable hollow structures or monodisperse oxide nanoparticles depending on the ‘M’ source
From the themed collection: Modern coordination chemistry
Paper

Downsizing of robust Fe-triazole@SiO2 spin-crossover nanoparticles with ultrathin shells

Robust hybrid [Fe(Htrz)2(trz)](BF4)@SiO2 nanoparticles with reduced sizes (from ca. 90 to 28 nm) and ultrathin silica shells (<3 nm) have been obtained, presenting abrupt spin transition and reduced thermal hysteresis.

Graphical abstract: Downsizing of robust Fe-triazole@SiO2 spin-crossover nanoparticles with ultrathin shells
From the themed collection: Modern coordination chemistry
Paper

Synthesis of copper(I) cyclic (alkyl)(amino)carbene complexes with potentially bidentate N^N, N^S and S^S ligands for efficient white photoluminescence

Copper(I) complexes of cyclic (alkyl)(amino)carbenes coordinated to monodentate or hemilabile guanidinato and formamidinato complexes show intense photoluminescence including white emissions.

Graphical abstract: Synthesis of copper(i) cyclic (alkyl)(amino)carbene complexes with potentially bidentate N^N, N^S and S^S ligands for efficient white photoluminescence
From the themed collection: Modern coordination chemistry
Open Access Paper

Phosphine-functionalised tris(pyrazolyl)methane ligands and their mono- and heterobimetallic complexes

New phosphine-functionalised tris(pyrazolyl)methane ligands, their coordination flexibility and their ability to generate heterobimetallic complexes are presented.

Graphical abstract: Phosphine-functionalised tris(pyrazolyl)methane ligands and their mono- and heterobimetallic complexes
From the themed collection: Modern coordination chemistry
Paper

Heterometallic 3d–4d coordination polymers assembled from trans-[RuIII(L)(CN)2] tectons and 3d cations

Two families of magnetic heterometallic coordination polymers (1D and 2D) have been assembled using heteroleptic dicyanido-RuIII building blocks.

Graphical abstract: Heterometallic 3d–4d coordination polymers assembled from trans-[RuIII(L)(CN)2]− tectons and 3d cations
From the themed collection: Modern coordination chemistry
Paper

Dinuclear helicate and tetranuclear cage assembly using appropriately designed ditopic triazole-azine ligands

Architecture, helicate or cage, is controlled by choice of meta vs. para phenylene linker in new, robust, ditopic triazole-pyrimidine ligands.

Graphical abstract: Dinuclear helicate and tetranuclear cage assembly using appropriately designed ditopic triazole-azine ligands
From the themed collection: Modern coordination chemistry
Open Access Paper

Phosphine-substituted 1,2,3-triazoles as P,C- and P,N-ligands for photoluminescent coinage metal complexes

A series of homo- and hetero-polynuclear coinage metal complexes based on a phosphine-substituted 1,2,3-triazole system was synthesized.

Graphical abstract: Phosphine-substituted 1,2,3-triazoles as P,C- and P,N-ligands for photoluminescent coinage metal complexes
From the themed collection: Modern coordination chemistry
Paper

Correlating magnetic anisotropy with the subtle coordination geometry variation of a series of cobalt(II)-sulfonamide complexes

The distortion degree from the ideal tetrahedral geometry has been correlated with the zero-field splitting parameter in a series of mononuclear cobalt(II)-sulfonamide complexes with a CoN4 coordination environment.

Graphical abstract: Correlating magnetic anisotropy with the subtle coordination geometry variation of a series of cobalt(ii)-sulfonamide complexes
From the themed collection: Modern coordination chemistry
43 items

About this collection

This special collection of Dalton Transactions marks the 60th birthday of mentor, colleague and friend, Professor Annie Powell.

This collection of over 40 reports highlights emerging trends in modern coordination chemistry and serves to reflect the many diverse areas where Annie’s work has impacted upon the field of inorganic chemistry, including molecular magnetism, theoretical modelling, structure, spectroscopy, bioinorganic and supramolecular chemistry.

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