Themed collection Open Access in Dalton Transactions
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Carbene chemistry of arsenic, antimony, and bismuth: origin, evolution and future prospects
Stabilization of pnictogens by carbenes, especially heterocyclic carbenes, is a constantly evolving and expanding field of research. In this perspective we summarize recent efforts towards the heavy triad of pnictogens As, Sb and Bi.
Dalton Trans., 2022,51, 8540-8556
https://doi.org/10.1039/D2DT00755J
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.139/content/NewImages/open-access-icon-orange.png)
An [FeIII8] molecular oxyhydroxide
An [FeIII8] hexagonal bipyramid displays antiferromagnetic exchange between the two capping tetrahedral ions and the six ring octahedral ions resulting in a spin ground state, S = 10.
Dalton Trans., 2022,51, 8945-8948
https://doi.org/10.1039/D2DT01477G
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.139/content/NewImages/open-access-icon-orange.png)
Strong magnetic exchange coupling in a radical-bridged trinuclear nickel complex
In its monoradical state, the tritopic bridging ligand of 2,3,6,7,10,11-hexaiminotriphenylene (HITP) supports strong metal–ligand magnetic exchange coupling persistent at room temperature in the trinuclear nickel complex built from such moiety.
Dalton Trans., 2022,51, 8583-8587
https://doi.org/10.1039/D2DT01337A
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Factors influencing stoichiometry and stability of polyoxometalate – peptide complexes
The effects of concentration, acidity, salinity and temperature on the composition and structure of Keggin POM peptide complexes have been investigated.
Dalton Trans., 2022,51, 9511-9521
https://doi.org/10.1039/D2DT00717G
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Solubility of Ca(II), Ni(II), Nd(III) and Pu(IV) in the presence of proxy ligands for the degradation of polyacrylonitrile in cementitious systems
The solubility of Ca(OH)2(cr), β-Ni(OH)2(cr), Nd(OH)3(s) and PuO2(ncr, hyd) was investigated in cement porewater solutions containing glutarate, α-hydroxyisobutarate and 3-hydroxybutarate as proxy ligands for the degradation of polyacrilonitrile.
Dalton Trans., 2022,51, 9432-9444
https://doi.org/10.1039/D2DT01409B
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The promoter role of sulfur in carbon nanotube growth
We investigate the effect of sulfur on the interaction of iron catalyst nanoparticles and carbon nanotubes (CNTs), typically present in a floating catalyst chemical vapor deposition (FCCVD) process.
Dalton Trans., 2022,51, 9256-9264
https://doi.org/10.1039/D2DT00355D
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Preparation, characterization and DFT+U study of the polar Fe3+-based phase Ba5Fe2ZnIn4S15 containing S = 5/2 zigzag chains
The polar chalcogenide phase Ba5Fe2ZnIn4S15 possesses weakly interacting magnetic zig-zag chains made of corner-sharing Fe3+S4 thus forming an AFM S = 5/2 spin chain system. The intrinsic polarization is mostly due to the anionic framework.
Dalton Trans., 2022,51, 9522-9530
https://doi.org/10.1039/D2DT00733A
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.139/content/NewImages/open-access-icon-orange.png)
To chelate thallium(I) – synthesis and evaluation of Kryptofix-based chelators for 201Tl
The synthesis and characterisation of a series of Kryptofix 222-based chelators that can be radiolabelled with 201Tl(I) in high radiochemical yields at ambient temperature are described.
Dalton Trans., 2022,51, 9039-9048
https://doi.org/10.1039/D2DT01074G
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Transition metal complexes of the PPO/POP ligand: variable coordination chemistry and photo-luminescence properties
The equilibrium tuning between Ph2P–O–PPh2, POP and Ph2P–P(O)Ph2, PPO in the presence of transition metals was investigated. Coordination-stabilised POP tautomers show highly luminescent und thermochromic behavior.
Dalton Trans., 2022,51, 8975-8985
https://doi.org/10.1039/D2DT01091G
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Magnetic interactions controlled by light in the family of Fe(II)–M(IV) (M = Mo, W, Nb) hybrid organic–inorganic frameworks
Three isomorphous coordination frameworks demonstrate paramagnetic, antiferromagnetic or ferromagnetically-coupled behaviour, which is controlled by light and temperature.
Dalton Trans., 2022,51, 8885-8892
https://doi.org/10.1039/D2DT00777K
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.139/content/NewImages/open-access-icon-orange.png)
Uranium–nitride chemistry: uranium–uranium electronic communication mediated by nitride bridges
Sequential reduction of a uranium-azide through all the nitride steps is revealed. Experimentally determined U–U coupling in the diuranium(IV)–dinitride is shown by ab initio calculations to stem from the nitride bridges, not U–U bonding.
Dalton Trans., 2022,51, 8855-8864
https://doi.org/10.1039/D2DT00998F
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Heterometathesis of diphosphanes (R2P–PR2) with dichalcogenides (R′E–ER′, E = O, S, Se, Te)
The reactions of R2P–PR2 with R′E–ER′ (where E = Se, S, O, Te) to give R2P–ER′ have been explored experimentally and computationally. 31P NMR evidence suggests that Mo(0) complexes of Ph2P–SePh feature P- and Se- linkage isomers.
Dalton Trans., 2022,51, 8906-8913
https://doi.org/10.1039/D2DT01093C
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Computational comparison of Ru(bda)(py)2 and Fe(bda)(py)2 as water oxidation catalysts
Replacing Ru by Fe in Ru(bda)(py)2 leads to drastically altered properties and loss of catalytic activity.
Dalton Trans., 2022,51, 8618-8624
https://doi.org/10.1039/D2DT01150F
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MOF nanoparticles as heterogeneous catalysts for direct amide bond formations
Ultra-small isoreticular UiO-type metal–organic frameworks (MOFs) with different functionalized and extended linkers are evaluated for catalytic direct amide bond formation.
Dalton Trans., 2022,51, 8368-8376
https://doi.org/10.1039/D2DT00369D
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.139/content/NewImages/open-access-icon-orange.png)
Synthesis, electronic nature, and reactivity of selected silylene carbonyl complexes
We report on the syntheses and single crystal X-ray structures of rare room-temperature stable silylene carbonyl complexes [L(X)Ga]2Si-CO, the influence of the substituent X on their electronic nature and their promising potential in NH3 activation.
Dalton Trans., 2022,51, 8249-8257
https://doi.org/10.1039/D2DT01335E
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.139/content/NewImages/open-access-icon-orange.png)
Guest-induced magnetic exchange in paramagnetic [M2L4]4+ coordination cages
Encapsulation of a [ReBr6]2− guest in a [Cu2L4]4+ cage induces a magnetic interaction between the CuII and ReIV ions.
Dalton Trans., 2022,51, 8377-8381
https://doi.org/10.1039/D2DT01385A
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Synthesis and structural characterisation of solid titanium(IV) phosphate materials by means of X-ray absorption and NMR spectroscopy
Synthesis and structural characterisation of solid titanium phosphates prepared at mild conditions, short reaction times and different post-synthetic treatments.
Dalton Trans., 2022,51, 8192-8207
https://doi.org/10.1039/D2DT00902A
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Synthesis, structure and reactivity with phosphines of Hg(II) ortho-cyano-aminothiophenolate complexes formed via C–S bond cleavage and dehydrogenation of 2-aminobenzothiazoles
Hg(II) ortho-cyano-aminothiophenolate (ocap) complexes [Hg{SC6H3XN(CN)}]n (X = H, Me, Cl, Br, NO2) have been prepared from dehydrogenation and C–S bond cleavage of 2-aminobenzothiazoles.
Dalton Trans., 2022,51, 7889-7898
https://doi.org/10.1039/D2DT00391K
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Spatial atmospheric pressure molecular layer deposition of alucone films using dimethylaluminum isopropoxide as the precursor
Dimethylaluminum isopropoxide (DMAI) and ethylene glycol (EG) yield alucone films with properties similar to those of films prepared using trimethylaluminum (TMA) and EG but with much higher deposition rates (nm s−1).
Dalton Trans., 2022,51, 7918-7927
https://doi.org/10.1039/D2DT00570K
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Non-innocent cyanido ligands: tetracyanidoferrate(–II) as carbonyl copycat
Electron-rich [Fe(CN)4]6− features a π-backbonding scheme with non-innocent CN-ligands exhibiting weak C–N bonds and a d10 configuration on iron.
Dalton Trans., 2022,51, 7811-7816
https://doi.org/10.1039/D2DT00833E
About this collection
This collection showcases a selection of open access research recently published in Dalton Transactions.