Themed collection Main Group Element Compounds in Materials and Catalysis


Amidinato silylene-based inorganic aromatic rings
Aromaticity is a key concept that applies to organic as well as inorganic chemistry and it finds a huge role in chemical reactivity and stability. Herein, we present a series of aromatic rings prepared from amidinato silylene.
Dalton Trans., 2024,53, 19058-19074
https://doi.org/10.1039/D4DT02790F
Lessons from recent theoretical treatments of Al–M bonds (M = Fe, Cu, Ag, Au) that capture CO2
A survey of recent theoretical treatments of Al–M bonds that activate CO2 is given, with an emphasis on extracting lessons to guide future studies.
Dalton Trans., 2024,53, 13709-13715
https://doi.org/10.1039/D4DT02018A
Monomeric tri-coordinated bis(ferrocenyl)haloalumanes
The reactions of the bulky ferrocenyl lithium dimer (Fc*Li)2 (Fc* = 2,5-bis(3,5-di-tBu-C6H3)-1-ferrocenyl) with aluminum trihalides (AlCl3, AlBr3, and AlI3) to furnish the corresponding monomeric bis(ferrocenyl)haloalumanes are reported.
Dalton Trans., 2025,54, 1360-1364
https://doi.org/10.1039/D4DT03233K
A hydrogen-bridged bis(silylene) complex as a platform for small molecule activation via adjacent metal–ligand cooperation
A hydrogen-bridged bis(silylene) complex showed high performance in the activation of small molecules via dehydrogenative O–H bond cleavage or hydro-bis(silylation).
Dalton Trans., 2025,54, 915-919
https://doi.org/10.1039/D4DT03226H

Amplifying Lewis acidity by oxidation: leveraging the redox-activity of bis(3,6-di-tert-butyl-catecholato)silane
Oxidation boosts the potential of bis(catecholato)silanes, transforming them into Lewis superacidic radical cations with remarkable catalytic activity in dimerization, hydrodeoxygenation, and carbonyl-olefin metathesis.
Dalton Trans., 2025,54, 65-69
https://doi.org/10.1039/D4DT03176H
Unprecedented C–F bond cleavage in perfluoronaphthalene during cobaltocene reduction
The reduction of octafluoronapthalene by cobaltocene in preence of NHC led to a distinct Co(I) species with the cleavage of the C–F bond and the formation of Co–C bond.
Dalton Trans., 2024,53, 17789-17793
https://doi.org/10.1039/D4DT02791D

Analogous carbene-stabilised [MI-(η6-tol)]+ cations (M = Fe, Co, Ni): synthetic access and [carbene·MI]+ transfer
An analogous series of [NHC·MI]+ complexes is reported for Fe, Co, and Ni, featuring a labile toluene ligand which is readily exchanged.
Dalton Trans., 2024,53, 15795-15800
https://doi.org/10.1039/D4DT02372B
Mechanochemical synthesis of iron aluminyl complexes
A series of molecular iron aluminyl complexes with unsupported Al–Fe bonds have been prepared in the solid state by mechanochemical synthesis.
Dalton Trans., 2024,53, 12450-12454
https://doi.org/10.1039/D4DT01774A
Functionalized organotellurium macrocycles: Tuning optical bandgap and investigation of catalytic activity
Dalton Trans., 2025, Accepted Manuscript
https://doi.org/10.1039/D4DT03388D
Synthesis of a dilithiobutadiene bearing extremely bulky silyl substituents and its reactivity toward functionalized silanes
A 1,4-dilithio-1,3-butadiene bearing extremely bulky silyl substituents was synthesized and its reactions with functionalized silanes followed by the reduction afforded a bulky dilithiosilole.
Dalton Trans., 2025,54, 4030-4038
https://doi.org/10.1039/D4DT03537B
Copper(III) organometallic complexes of non (anti)aromatic and aromatic doubly N-confused porphyrinoids: syntheses and characterization
Target syntheses of hitherto unknown highly stable Nonaromatic, aromatic and anti-aromatic meso-aryl substituted modified doubly N-confused porphyrinoids with differing affinity towards stabilizing Cu(III).
Dalton Trans., 2025,54, 4267-4275
https://doi.org/10.1039/D4DT03265A
Reactions of chalcogens and borane with phosphazane macrocycles assembled from diethanolamine and P2N2 building blocks
Phosphazane macrocycles with N-methyldiethanolamine linkers have been synthesized and the oxidation of P(III) to P(V) with chalcogens and the formation of Lewis adducts with borane are reported.
Dalton Trans., 2025,54, 4089-4095
https://doi.org/10.1039/D4DT03229B
Tetra-coordinated organoboron complexes with triaminoguanidine-salicylidene based ligands: aggregation induced enhanced emission and mechanoresponsive features
We have developed five unique organoboron compounds supported by tis (salicylidene)triaminoguanidine-based ligands and studied their aggregation induced enhanced emission and mechano responsiveness.
Dalton Trans., 2025,54, 3897-3910
https://doi.org/10.1039/D4DT03217A
Homochiral layered indium phosphonates: solvent modulation of morphology and chiral discrimination adsorption
A solvothermal reaction of In(NO3)3 and R-, S-pempH2 in isopropanol/water solvent results in compounds R-, S-[In2(pempH)2(μ2-OH)2(H2O)2](NO3)2 with a spiral microflower structure, which show enantioselective adsorption behaviour.
Dalton Trans., 2025,54, 3610-3618
https://doi.org/10.1039/D4DT03227F
A double-chain based metallomicellar catalyst for aerobic oxidative synthesis of benzimidazoles in water
A Mo-based surfactant-type complex containing two alkyl chains acted as an efficient metallomicellar catalyst for organic transformations in water.
Dalton Trans., 2025,54, 3704-3713
https://doi.org/10.1039/D4DT03406F
Flexible bidentate aluminum Lewis acids for host–guest complex formation
This study investigates the design, synthesis, and reactivity of bidentate aluminum Lewis acids supported by amido and cyclopentadienyl donor sets within a flexible 1,4-disubstituted phenylene framework.
Dalton Trans., 2025, Advance Article
https://doi.org/10.1039/D4DT03288H
Single-ion magnet behaviour in highly axial lanthanide mononitrides encapsulated in boron nitride nanotubes: a quantum chemical investigation
Using state-of-the-art computational tools, we unravelled the electronic structure, bonding and magnetic anisotropy in [LnIIIN] (Ln = Dy/Tb) and their encapsulation in BNNT(8,0)/(9,0) to generate novel hybrid assemblies of SMMs.
Dalton Trans., 2025, Advance Article
https://doi.org/10.1039/D4DT03311F
Transforming delayed fluorescence into blue-shifted phosphorescence in aminoboranes via oxygen-to-sulfur substitution on the donor amine
Tuning the delayed luminescence in aminoborane from TADF to blue-shifted RTP by controlling SOC via heteroatom modulation.
Dalton Trans., 2025, Advance Article
https://doi.org/10.1039/D4DT03200D
Synthesis and characterization of In(III) S-thiobenzoylthioglycolate complexes and their catalytic applications in CO2 fixation and multicomponent synthetic reactions
In(III) complexes of S-thiobenzoylthioglycolate ligand serve as catalysts in the Knoevenagel condensation, multicomponent reactions, and CO2 fixation showcasing the broad applicability of non-transition metal complexes in sustainable chemical processes.
Dalton Trans., 2025, Advance Article
https://doi.org/10.1039/D4DT03382E

Towards the photodeposition of SixGey-type materials via oligomers of cyclogermapentenes and cyclosilapentenes
The deposition of mixed element films of Si, SixGey-type materials and amorphous carbon is reported from the photolysis of pre-assembled group 14 element oligomers at room temperature.
Dalton Trans., 2025,54, 3057-3064
https://doi.org/10.1039/D4DT03446E
Ferroelectricity and piezoelectric energy harvesting of an A3M2X9-type 0D bromobismuthate hybrid with a bulky organic quaternary amine
A new halobismuthate(III) compound, [BPMBDMA]·[Bi2Br9], was synthesized and found to exhibit excellent ferroelectric polarization. Its polymer composite devices show piezoelectric energy harvesting application with high output performance values.
Dalton Trans., 2025,54, 2985-2990
https://doi.org/10.1039/D4DT03225J
Evaluation of dipole moment of polyhedral oligomeric silsesquioxane compounds
This is the first time that the dipole moment of polyhedral oligomeric silsesquioxane (POSS) has been evaluated using actual electrochemical measurements.
Dalton Trans., 2025,54, 2747-2752
https://doi.org/10.1039/D4DT03230F

Tipping the balance between twist and chair ligand conformers in multinuclear ethylzinc cyclophosphazenates
Gradual changes to the ligand periphery of phosphazenate ligand platforms lead to a tipping point that flips the coordination of multinuclear ethylzinc arrays.
Dalton Trans., 2025,54, 2628-2633
https://doi.org/10.1039/D4DT03004D
Triazolyl-phosphole and triazolyl-azaphosphole: synthesis, transition metal complexes and catalytic studies
This paper describes the synthesis, transition metal chemistry and catalytic application of phosphole and azaphosphole with triazole functionalities.
Dalton Trans., 2025,54, 2599-2608
https://doi.org/10.1039/D4DT03213F
Fluorescent zinc(II) thione and selone complexes for light-emitting applications
The blue light-emitting fluorescent zinc(II) chalcogenone complexes were synthesized and characterized to demonstrate their potential for light-emitting applications.
Dalton Trans., 2025,54, 1384-1392
https://doi.org/10.1039/D4DT02924K
In situ growth of octa-phenyl polyhedral oligomeric silsesquioxane nanocages over fluorinated graphene nanosheets: super-wetting coatings for oil and organic sorption
In situ growth of O-Ph-POSS nanocages on fluorinated graphene (FG) creates a robust O-Ph-POSS-FG superhydrophobic–oleophilic material. Coating PU with O-Ph-POSS-FG provides a feasible solution for oil spill remediation and recovery.
Dalton Trans., 2025,54, 1150-1163
https://doi.org/10.1039/D4DT02678K
Synthesis and structures of molecular beryllium Grignard analogues featuring terminal and bridging pseudohalides
Salt metathesis of cyclic alkyl(amino)carbene (CAAC)-stabilised beryllium Grignards with pseudohalide precursors provides a range of monomeric and oligomeric beryllium thiocyanato, phosphaethynolato, isocyanato and cyano Grignards.
Dalton Trans., 2024,53, 18296-18303
https://doi.org/10.1039/D4DT02457E
N-Methylene-C-linked nitropyrazoles and 1,2,4-triazol-3-one: thermally stable energetic materials with reduced sensitivity
A family of new asymmetric N-methylene-C linked nitropyrazoles and 1,2,4-triazol-3-one based thermally stable energetic materials with reduced sensitivity has been synthesized. Background image via Canva.
Dalton Trans., 2024,53, 17179-17189
https://doi.org/10.1039/D4DT02494J
O,S-Chelated bis(pentafluorophenyl)boron and diphenylboron-β-thioketonates: synthesis, photophysical, electrochemical and NLO properties
The structural, electrochemical and optical properties including NLO properties, of monothio-β-diketonate boron complexes with two different aryl substitutions on the boron center, are presented.
Dalton Trans., 2024,53, 17263-17271
https://doi.org/10.1039/D4DT02471K

Manganese 2-phosphinophosphinine precatalysts for methanol/ethanol upgrading to isobutanol
Earth abundant manganese catalysts for the upgrading of ethanol/methanol to isobutanol are described. Mn phosphinine pre-catalysts were shown to undergo 1,2- and 1,4-addition with water and methanol to give phosphacyclohexadiene complexes.
Dalton Trans., 2024,53, 16598-16609
https://doi.org/10.1039/D4DT02142H

Reducing hybrid ligand-based alane and chasing aluminium(I): dialane and unusual transient dialumene
The alane [DNIAlH2] (1) was reduced by Jones's Mg(I) and Roesky's Al(I) to give the dialane [{DNI(H)Al}2] (2). 1 with [DippBDIAl:] gives intramolecular C(sp2)–H bond-activated 3. [DNINa] with [(Cp*Al)4] gives C–N activated 5 with an Al2CN ring.
Dalton Trans., 2024,53, 15441-15450
https://doi.org/10.1039/D4DT01798F
NIR absorbing ferrocenyl perylenediimide-based donor–acceptor chromophores
The redox-active species of perylenediimides show absorption spectra in the Near-Infrared (NIR) region (700–1000 nm).
Dalton Trans., 2024,53, 15164-15175
https://doi.org/10.1039/D4DT01661K
Facile room-temperature synthesis of layered transition metal phosphonates via hitherto unknown alkali metal tert-butyl phosphonates
A facile room-temperature synthetic method is presented to produce alkali metal salts of tert-butyl phosphonic acid.
Dalton Trans., 2024,53, 14399-14410
https://doi.org/10.1039/D4DT01668H
About this collection
This themed collection, guest edited by Eric Rivard (University of Alberta, Canada), Ramaswamy Murugavel (IIT Bombay, India) and Selvarajan Nagendran (IIT Delhi, India), highlights the recent advances in applying main group element compounds in materials and catalysis. The collection includes studies on small-molecule activation, low-valent main group chemistry, Lewis acidic compounds, single-molecule precursors for materials, showing promising applications across materials and catalysis.