Dalton Transactions

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Fischer carbene complexes remain favourite targets, and vehicles for new discoveries

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01943A, PerspectiveH. G. Raubenheimer
Fifty years after their introduction, Fischer-type carbene complexes still enthral synthetic and theoretical chemists interested in their preparation and characterization.
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Layered uranium(VI) hydroxides: structural and thermodynamic properties of dehydrated schoepite [small alpha]-UO2(OH)2

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02455A, PaperPhilippe F. Weck, Eunja Kim
The structure of dehydrated schoepite, [small alpha]-UO2(OH)2, was investigated using computational approaches going beyond standard density functional theory and including van der Waals dispersion corrections. Some entropy estimates from calorimetric measurements overestimate by up to 23% the values computed in this study.
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Ruthenium and osmium complexes of hemilabile chiral monophosphinite ligands derived from 1D-pinitol or 1D-chiro-inositol as catalysts for asymmetric hydrogenation reactions

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02558J, PaperAngela T. Slade, Cornelis Lensink, Andrew Falshaw, George R. Clark, L. James Wright
Chiral monophosphinite ligands derived from 1D-pinitol or 1D-chiro-inositol coordinate to ruthenium as bidentate hemilabile ligands to produce ketone hydrogenation catalysts that give high conversions but low %ee values.
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Mixed-metal chalcogenide tetrahedral clusters with an exo-polyhedral metal fragment

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02329C, PaperK. Yuvaraj, Dipak Kumar Roy, V. P. Anju, Bijnaneswar Mondal, Babu Varghese, Sundargopal Ghosh
Mixed-metal chalcogenide tetrahedral clusters, [Cp*Ru(CO)2([small mu ]-H){Os3(CO)9}S] and [Cp*Ru(CO)2([small mu ]-H){Ru3(CO)9}S], have been isolated from arachno-[(Cp*RuCO)2B2H6] and [(Cp*Mo)2B5H9] respectively, in which the [Cp*Ru(CO)2] fragment is attached in an exo-polyhedral manner.
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22-Azametallacrown-8 complex with a triazole-bridged ligand: synthesis, structure and magnetic properties

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02722A, CommunicationHua Yang, Qing-Xia Yao, Yun-Wu Li, Da-Cheng Li, Jian-Min Dou
A new 22-MC-8 azametallacrown was prepared from a triazole-bridged ligand with the ring displaying -[Mn-O-Mn-N-N-Mn-N-N-Mn-N-N-]- connectivity. A 3D stacking arrangement was formed. The magnetic investigation shows slow magnetic relaxation.
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Simple and extremely efficient blue emitters based on mononuclear Cu(I)-halide complexes with delayed fluorescence

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02709D, PaperHiroki Ohara, Atsushi Kobayashi, Masako Kato
Mononuclear Cu(I)-halide complexes with a ternary ligand system exhibit blue light emission based on delayed fluorescence with extremely high quantum yields, approaching 100% in the solid states.
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Fragmentation pathways analysis for the gas phase dissociation of protonated carnosine-oxaliplatin complexes

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02217C, PaperIda Ritacco, Eslam M. Moustafa, Emilia Sicilia, Nino Russo, Tamer Shoeib
Collision-induced dissociation (CID) experiments on the protonated carnosine-oxaliplatin complex were shown to yield nine different fragment ions. Density functional calculations were employed to probe the fragmentation mechanisms that account for all experimental data.
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Synthesis, characterization and biocompatibility of chitosan functionalized superparamagnetic nanoparticles for heat activated curing of cancer cells

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02293A, PaperN. D. Thorat, S. V. Otari, R. M. Patil, R. A. Bohara, H. M. Yadav, V. B. Koli, A. K. Chaurasia, R. S. Ningthoujam
The LSMO-chitosan core cell formation improves cell viability, colloidal stability and hyperthermia properties and is suitable in a cancer cell acidic environment.
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Characterization of the extracted complexes of trivalent lanthanides with purified cyanex 301 in comparison with trivalent actinide complexes

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02553A, PaperXihong He, Guoxin Tian, Jing Chen, Linfeng Rao
Dialkyldithiophosphinate forms different extracted Ln(III) complexes across the lanthanide series not following the trend of lanthanide contraction.
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A Co(II) thiocyanato coordination polymer with 4-(3-phenylpropyl)pyridine: the influence of the co-ligand on the magnetic properties

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02271H, PaperJulia Werner, Michal Rams, Zbigniew Tomkowicz, Christian Nather
A new quasi-one dimensional Ising ferromagnet that shows slow magnetic relaxations was synthesized and investigated for its magnetic properties.
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Europium bis(dimethylsilyl)amides including mixed-valent Eu3[N(SiHMe2)2]6[[small mu ]-N(SiHMe2)2]2

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02411G, PaperAndre M. Bienfait, Christoph Schadle, Cacilia Maichle-Mossmer, Karl W. Tornroos, Reiner Anwander
Routine salt metathesis affords the trivalent complex EuIII[N(SiHMe2)2]3(THF)2, whereas the mixed-valent "zwitterion"-like compound EuII{[[small mu ]-N(SiHMe2)2]EuIII[N(SiHMe2)2]3}2 is obtained when applying a transsilylamination protocol.
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Sonochemical redox reactions of Pu(III) and Pu(IV) in aqueous nitric solutions

20 October, 2014 - 20:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT02330G, PaperMatthieu Virot, Laurent Venault, Philippe Moisy, Sergey I. Nikitenko
The 20 kHz sonication of aqueous nitric solutions generates active species which can further react with Pu(IV) and Pu(III) ions.
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P,C-Bond Cleavage in the Ligand Sphere of a Nickel(II) Complex

20 October, 2014 - 20:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02158D, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Simon P. Walg, Alexandra Dagmar Schmidt, Markus Schmitz, Saeid Farsadpour, Johannes Lang, Mark Niebergall, Yu Sun, Hans-Jorg Krueger, Peter Roesky, Gereon Niedner-Schatteburg, Werner R Thiel
Reacting nickel(II)perchlorate with a bidentate P,N-ligand in methanol leads to P,C-bond cleavage and gives a five-coordinate nickel complex wherein the nickel(II) site is coordinated by a tridentate P,N,P-ligand and a...
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Five 8-Hydroxyquinolinate-Based Coordination Polymers with Tunable Structures and Photoluminescent Properties for Sensing Nitroaromatics

20 October, 2014 - 20:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02897J, PaperLiyan Zhang, Liying Sun, Xinyuan Li, Yulan Tian, Guozan Yuan
By using two 8-hydroxyquinolinate ligands (L1-MOM and L2-MOM) containing 3-pyridyl or 4-pyridyl group, five novel coordination polymers, namely [Zn3(L1)6] (1), [Zn(L1)2][round bullet, filled]2MeOH (2), [Zn(L2)2] (3), [Cd(L2)2] (4), and [Cd4(L1)6][round bullet, filled]13H2O (5), were...
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Structural characterization of environmentally relevant ternary uranyl citrate complexes present in aqueous solutions and solid state materials.

20 October, 2014 - 20:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02442G, PaperMadeline Basile, Daniel K Unruh, Erin Flores, Adam Johns, Tori Forbes
Organic acids are important metal chelators in environmental systems and tend to form soluble complexes in aqueous solutions, ultimately influencing the transport and bioavailability of contaminants in surface and subsurface...
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Using solution- and solid-state S K-edge X-ray absorption spectroscopy with density functional theory to evaluate M-S bonding for MS42- (M = Cr, Mo, W) dianions

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02302A, PaperAngela C. Olson, Jason M. Keith, Enrique R. Batista, Kevin S. Boland, Scott R. Daly, Stosh A. Kozimor, Molly M. MacInnes, Richard L. Martin, Brian L. Scott
Herein, we have evaluated electronic structure and orbital mixing in Group 6 MS42- dianions using X-ray absorption spectroscopy and density functional theory.
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Conformationally stressed novel ball-type perylenediimide appended zinc(II)phthalocyanine hybrid: spectroelectrochemical, electrocolorimetric and photovoltaic properties

20 October, 2014 - 20:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01761G, PaperFatih Pekdemir, Sertan Kurnal[i without dot], Abdurrahman Sengul, Ahmet Alt[i without dot]ndal, Ali Riza Ozkaya, Bekir Salih, Ozer - Bekaroglu
A supramolecule, 6 based on an electron-donor zinc phthalocyanine (ZnPc) and an electron-acceptor perylene diimide (PDI) has been synthesized, and characterized by elemental analysis, UV/Vis, IR, 1H NMR and solid...
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Influence of Self-assembly on Intercalative DNA Binding Interaction of Double-chain Surfactant Co(III) Complexes Containing Imidazo[4,5-f][1,10]phenanthroline and Dipyrido[3,2-d:2'-3'-f]quinoxaline ligands: Experimental and Theoretical Study

20 October, 2014 - 20:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02134G, PaperKaruppiah Nagaraj, Gunasekaran Velmurugan, Subramanian sakthinathan, Ponnambalam Venuvanalingam, Sankaralingam Arunachalam
A new class of surfactant cobalt(III) complexes, cis-[Co(ip)2(C12H25NH2)2](ClO4)3 (1) and cis-[Co(dpq)2(C12H25NH2)2](ClO4)3 (2) (ip = imidazo[4,5-f][1,10]phenanthroline, dpq = dipyrido[3,2-d:2'-3'-f]quinoxaline), have been synthesized and characterized by various spectroscopic and physico-chemical techniques. The...
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Bismuth(III) complexes derived from [small alpha]-amino acids: the impact of hydrolysis and oxido-cluster formation on their activity against Helicobacter pylori

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02505A, PaperMadleen Busse, Emily Border, Peter C. Junk, Richard L. Ferrero, Philip C. Andrews
Bi(III) complexes, [BiL3] and [Bi2L3], derived from [small alpha]-amino acids (LH) have been synthesised and characterised. Hydrolysis and oxido-cluster formation in water impacts significantly on their activity towards H. pylori.
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Neutral redox-active hydrogen- and halogen-bonding [2]rotaxanes for the electrochemical sensing of chloride

20 October, 2014 - 20:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02591A, PaperJason Y. C. Lim, Matthew J. Cunningham, Jason J. Davis, Paul D. Beer
Novel neutral redox-active [2]rotaxanes containing hydrogen- and halogen-bond donors are demonstrated to selectively recognize and sense chloride electrochemically.
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