Themed collection Dalton Transactions HOT Articles

The progress in the design and synthesis of ruthenium-nitrosyl complexes, the role of photoinduced linkage isomerization in NO photorelease and possible medical and optical applications are discussed.

Lindqvist hexamolybdates with organoimido functionalization offer the possibility of developing new POM-based organic–inorganic hybrid materials.

Recent progress of noble metal-free electrocatalysts toward large-current-density water electrolysis has been summarized

A review covering the past five years of research into photoactive molecules that release a potential therapeutic upon light irradiation.

Rationally material-designed hot-electron transfer-type plasmonic photocatalysts and electrodes for the oxygen evolution reaction provide a playing field in artificial photosynthesis.

Smart drug delivery systems have been reported to target primary cancers or metastases, where the metallodrugs are released in a controlled and selective way triggered by specific tumour-related stimuli.

Over 200 publications report mechanisms that violate the principle of detailed balancing; a 10-step core mechanism is proposed that avoids these problems.

Pt(IV) complexes are promising antitumor prodrugs releasing active Pt(II) moieties. Multi-functional Pt(IV) complexes contain two or more synergistic moieties. Many Pt(IV) prodrugs show encouraging pharmacological profiles.

Active site environment of simultaneously bound heme and Cu with amyloid β (Aβ) peptides and its reactivities with small molecues like O_2, NO and NO_2^- associated with Alzheimer's disease.

Herein, recent advances of heterometallic complexes containing Mg- or Zn-metalloligands are reviewed. They consist of two parts: (i) synthetic approaches and (ii) stoichiometric and catalytic reactivities.

We summarize the development of Cu complexes with conformationally fluxional pyridinophane ligands as new organometallic tools to make versatile mechanoresponsive polymers, where mechanical action on the bulk material exerts an effect on molecular behavior, and vice versa.

This Frontiers article summarizes the reported computational research performed on ruthenium catalyzed methanol dehydrogenation reactions performed in the past decade, and serves as a guide for future research.

This review covers the recent developments of the molecular atomic and diatomic compounds of s- and p-block elements in formally zero-oxidation state. Their reactivity is highlighted, and their structure and bonding are described.

The calculation of X-ray absorption structures with relativistic multiconfiguration ab-initio wavefunction approaches helps elucidating metal-ligand bonding in lanthanide and actinide complexes.

Theoretical computation reveals busy electron transfer during NO reduction by a dinuclear copper complex.

Herein, we report a platinum(IV)-based fluorescent “turn on” sensor to investigate the reduction of platinum(IV) prodrugs by simply and conveniently testing the fluorescence intensity.

A ball milling strategy was developed to prepare a 28.3 wt% ultrahigh-loading single-site Zn catalyst with outstanding catalytic activity for the production of hydrogen from silanes.

Elucidating the bonding situation in a titanium complex with an anionic N-heterocyclic olefin ligand.

Four isostructural P2 chalcogenide clusters have been isolated via mixed-metal strategy. The continuous-regulation of optical limiting performance have been realized through precise controlled substitution of cations and anions.

The synthesis and characterization of the first homoleptic open-shell transition metal phosphinidenide is presented.

Fragments of F. nucleatum outer membrane proteins and their transition metal complexes cleave DNA and promote reactive oxygen species formation. Therefore, they are responsible for oxidative stress which consequently may lead to cell damage.

Hydride and proton sponges together form a Frustrated Lewis pair that cleaves NH₃, H₂O, PH₃, H₂S, H₂Se and HCN but not dihydrogen, although the formal dihydrogen adduct, obtained in a synthetic detour, is stable to air and moisture and up to 100 °C.

The tungsten dinitrogen complex [W(N₂)(P^Me₂PP^Ph₂)] is compared to its molybdenum analogue. Detailed (IR-spectro)electrochemical investigations were made. In the presence of SmI₂/H₂O the W complex mediates the conversion of N₂ to 2.75 equiv. ammonia.

A series of cyclo-N₅⁻-based energetic coordination polymers [Pb(OH)]₄(N₅)₄, [Pb(OH)]₄(N₅)₃(NO₃)(H₂O)₃, and [Pb(OH)]₄(N₅)₃(ClO₄)(H₂O) were self-assembled by in situ generated [Pb₄(OH)₄]⁴⁺ cubic cations trapping cyclo-N₅⁻.

A combination of high-resolution ¹H MAS NMR and molecular simulations is used to distinguish between two aggregation states of (1R,2S)-ephedrine occluded within microporous AFI materials.

High-yielding preparation of branched N-doping carbon nanotubes can be realized by carbonizing ZnCo-ZIF nanotubes. Due to the unique architecture and N-doping, such branched carbon nanotubes show excellent electrochemical K⁺ storage performance.

Ag(I) complexes derived from chiral imidazolium-based dicarboxylate ligands have shown good antimicrobial activity toward Gram-negative bacteria. A chirality-antimicrobial tendency has been revealed.

In recent years, copper-64 and copper-67 have been considered as a useful theranostic pair in nuclear medicine. Here, we report a photochemically-mediated approach for radiolabelling biologically relevant protein with copper radionuclides.

A novel cobalt(II) complex with a hydrogen-bonded diamond framework exhibited a spin-crossover behaviour with an asymmetric thermal hysteresis loop.

A facile approach was proposed to construct NiFe-MOF nanosheets on Fe foam (FF) that shows impressive electrocatalytic OER performance with an overpotential of 216 mV at 50 mA cm⁻², and outstanding stability (beyond 50 h at 200 mA cm⁻²).

A facile strategy toward the synthesis of theranostic curcumin–tryptanthrin–Zn(II) complexes for cancer-specific therapy is demonstrated.

The importance of London dispersion in heavy main group element chemistry is demonstrated for naphthyl-substituted dipnictanes using a combination of X-ray diffraction and quantum chemistry.

Chiral and racemic BEDT-TTF salts with spiroborate anions [B(mandelate)₂]⁻ and [B(2-chloromandelate)₂]⁻, where helical crystals are obtained when using spiroborate anions with enantiopure ligands.

Identification of spectral signals associated with neptunyl–neptunyl interactions from acid solutions using density functional theory.

Diprotonated cyclen stabilizes I₈²⁻ in the solid state showing unique I–I distances. A reappraisal of accepted threshold values for primary and secondary bonding in selected polyiodides is presented, with implications for their current validity.

The spin-crossover properties of [Fe(LR)L][ClO₄]₂ (LR = a chiral PyBox {L¹R} or ThioPyBox {L²R} derivative) show subtle differences depending on the tridentate ‘L’ co-ligand.

The heteroleptic mer-[Cr(L)(CN)₃] (L = tpy, ddpd, dqp) complexes with their C_2v-symmetrical [CrC₃N₃] luminescent chromophores represent the missing links between pseudo-octahedral [CrN₆] and [CrC₆] units found in their well-known homoleptic parents.

C–H bond activation in which reaction rates are correlated with the pK_a of C–H bonds proceeds via a PCET(PT) mechanism.

We offer a general method for tuning the photochromic functionality of a hybrid halometallate via inserting coplanar phenanthroline derivatives into the interchain voids of anionic chlorobismuthate chains.

The lithiophilic 3D mullite fiber sheet can guide and accommodate the lithium deposition inside the porous structure avoiding the accumulation of dead Li, thus promoting cell lifetime and stabilizing the cycling behavior.

Goethite and hematite with targeted morphologies dry mixed and cold-pressed with SrCO₃, with subsequent sintering to achieve highly aligned hexaferrite. Goethite needles offered the best alignment both magnetically and crystallographically.

Synthesis and studies of luminescent Ir(III) dipyrrinato complexes are reported. The ER targeting glycosylated Ir(III) dipyrrinato complexes are able to cause ER stress after singlet oxygen generation leading to cell apoptosis.

The synthesized Ru–MoP NWAS/CFP electrode exhibited distinguished electrocatalytic performance toward the HER over a broad pH range.

Despite the recent advancements in memory devices, the quest for building materials with low power consumption is still on, with the ultimate focus on the durability of the system and reliability and reproducibility of its performance.

[cis-Rh₂(OAc)₂(tfa)₂] has been synthesized and its reaction with RNase A and lysozyme was analyzed using a combination of different techniques, including fluorine NMR and X-ray crystallography.

The Au(I)-catalyzed intermolecular annulation of 2-(1-alkynyl)-2-alken-1-one 1a with N-allenamide 2a is driven by the higher reactivity of the gold all-carbon 1,3-dipole species A than the gold allylic carbocation B, rather than the easier access to A.

The ohmic heating synthesis, spectroscopic properties and thermal-behaviour of Zn(II), Cu(II) and Pd(II) complexes of heterocyclic-fused chlorins are described.

Layer-structured Ca_0.5CoO₂ nanofibers were synthesized using an electrospinning process, and the mass activity and intrinsic activity are dramatically enhanced with iron doping.

The ultrahigh oxygen vacancy content enhances the conductivity and CO₂ chemisorption of SnO₂ nanoparticles for an efficient conversion of CO₂ into formate.

A metal–acid bifunctional catalyst, cobalt nanoparticle inlaid cobalt phyllosilicate (CoSi-PS), was fabricated. CoSi-PS exhibited excellent catalytic performance for the hydrogenolysis reaction of HMF to produce liquid 2,5-dimethylfuran biofuel.

Reaction of Cu₂[(OH)₂CO₃], H₃BO₃ and oleum yields either inosilicate-analogous α-Cu[B₂(SO₄)₄] or the new phyllosilicate-analogous β-Cu[B₂(SO₄)₄], both subject to Jahn–Teller distortion; two polymorphs of Cu(HSO₄)₂ and Cu[S₂O₇] are also reported.

Nanoporous Z–Ge was fabricated via a mechanochemical reaction with Mg₂Ge and ZnCl₂, exhibiting long-term cycling stability in Li-ion batteries.

A family of pyridine dipyrrolide bismuth complexes have been prepared and investigated as initiators for the ring-opening polymerisation of lactide monomers.

The kinetics and mechanism of a rapid intermolecular ligand exchange between heteroleptic dinuclear gold(I) complexes with thiolate and halide ligands were investigated by variable-temperature NMR spectroscopy.

Rhenapyridinium complexes are synthesized from the reaction of ReCl₃(PMePh₂)₃ with o-ethynyl benzonitriles. These fused metallaaromatics contain both Hückel π-aromatic metallapyridinium rings and σ-aromatic rhenacyclopropene units.

A self-supported TiO_2−x@C membrane with superiorities relating to the presence of defects, its structure, and its components achieves efficient polysulfide adsorption and catalytic transformation performance, supporting its use in Li–S batteries.

A tumor microenvironment-responsive nanoplatform Co/ZIF-8/ICG/Pt (CZIP) was successfully constructed for chemodynamic therapy (CDT) and enhanced photodynamic therapy (PDT).

A simple ligand exchange method with polydopamine was used to synthesize PDA-MIL-88B with enhanced peroxidase-like activity.

MOF-derived carbon-supported bimetallic Ni–Co catalysts exhibited excellent catalytic activity and high stability for aqueous phase hydrodeoxygenation of vanillin.

The isolation and structural characterization of the [HRu₄(CO)₁₂]³⁻ carbonyl anion are reported for the first time, more than 40 years after its first spectroscopic evidence.

A coumarin based turn-on sensor for the selective detection of Hg(II) through oxidation of diselenide. The sensing mechanism supported with single crystal XRD of monoselenide. Sensitivity of the probe for the detection of Hg(II) confirmed with imaging in MCF-7 cells.

Ag/Co co-doped CaTiO₃ has more bulk defects, higher crystallinity and wider light-absorption range than pure CaTiO₃ and shows high light photoelectrocatalytic degradation activity and strong stability.

Given the promising advances of organoruthenium complexes in therapy, the possibility of exploiting furan-maleimide Diels–Alder linkages as a mean to modulate their biological properties was explored.

Amidotin(II) benzamidinates were prepared via addition of Sn[N(SiMe₃)₂]₂ to mono-, di- and trinitriles. A reversible addition of [PhC(NSiMe₃)₂]SnN(SiMe₃)₂ with an excess of benzonitrile to its homoleptic [PhC(NSiMe₃)₂]₂Sn was studied by NMR and DFT.

KBiNb₂O₇ adopts a polar, layered, (0, ½, z) stacked crystal structure, which exhibits many ‘axis switch’ stacking faults.

Cytochrome c accelerates the reduction of mitochondria-damaging platinum(IV) prodrugs in the presence of NADH, and the released Pt(II) product platinates the protein to empower proapoptotic peroxidase activity.

Multifunctional switching materials show great potential for applications in sensors, smart switches, and other fields due to their ability to integrate different physical channels in one single device.

We describe phosphino- and phosphazidoindenyl rare-earth metal complexes and their application in hydroamination catalysis.

Fluorescent diarylchlorostibane, distibane are utilized as precursors for syntheses of redox-active dimeric/trimeric alkali-metal antimonides by reductive dehalogenation. DFT and EDA-NOCV analysis are performed to shed light on the electron transfer mechanism.

Novel lead-free ferroelastic materials, (C₃N₂H₅)₃Sb₂I₉ and (C₃N₂H₅)₃Bi₂I₉, exhibit rich sequences of phase transitions and reveal semiconducting properties.