Dalton Transactions

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Strong Steric Hindrance Effect on Ground State, Excited State, and Charge Separated State Properties of a CuI-Diimine Complex Captured by X-ray Transient Absorption Spectroscopy

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02046D, PaperJier Huang, Michael W Mara, Andrew B Stickrath, Oleksandr Kokhan, Michael R. Harpham, Martin K. Haldrup, Megan L Shelby, Xiaoyi Zhang, Romain Ruppert, Jean-Pierre Sauvage, Lin Chen
Photophysical and structural properties of a CuI diimine complexes with very strong steric hindrance, [CuI(dppS)2]+ (dppS=2,9-diphenyl-1,10-phenanthroline disulfonic acid disodium salt), are investigated using optical and X-ray transient absorption (OTA and...
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On the coordination chemistry of organochalcogenolates RNMe2^E- and RNMe2^E^O- (E = S, Se) onto lead(II) and lighter divalent tetrel elements

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02252A, PaperAlexandra Pop, Lingfang Wang, Vincent DORCET, Thierry Roisnel, Jean-Francois Carpentier, Silvestru D Anca, Yann Sarazin
Several families of heteroleptic tetrelenes of general formulae M(E^RNMe2)[N(SiMe3)2] and M(O^E^RNMe2)[N(SiMe3)2] (where E = S, Se; M = Ge, Sn, Pb; RNMe2 = 2-(Me2NCH2)C6H4] supported by organochalcogenolato ligands have been...
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Alkali metal salts of ditopic carbanionic carbenes as reagents for the synthesis of novel complexes of group 12 and 14 metals

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14239-14248
DOI: 10.1039/C4DT00954A, PaperJordan B. Waters, Jose M. Goicoechea
Reaction of the novel organo-potassium compound [:C[N(2,6-iPr2C6H3)]2(CH)CK(THF)2] (KIPr[middle dot]2THF) with M[N(SiMe3)2]2 (M = Zn, Sn, Ge, Pb) afforded salts of the anionic three coordinate complexes [M{C(CH)[N(2,6-iPr2C6H3)]2C:}{N(SiMe3)2}2]- (M = Zn (1), Sn (2), Ge (3), Pb (4)).
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Reactivity of the uranium(IV) carbene complex [U(BIPMTMS)(Cl)([small mu ]-Cl)2Li(THF)2] (BIPMTMS = {C(PPh2NSiMe3)2}) towards carbonyl and heteroallene substrates: metallo-Wittig, adduct formation, C-F bond activation, and [2 + 2]-cycloaddition reactions

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14275-14283
DOI: 10.1039/C4DT00909F, PaperOliver J. Cooper, David P. Mills, William Lewis, Alexander J. Blake, Stephen T. Liddle
Reactivity of a uranium(IV)-carbene towards carbonyls and heteroallenes is described.
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Lithium, sodium and potassium picolyl complexes: syntheses, structures and bonding

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14265-14274
DOI: 10.1039/C4DT00808A, PaperAlan R. Kennedy, Robert E. Mulvey, Robert I. Urquhart, Stuart D. Robertson
A series of alkali metal 2- and 4-picolyl (methylpyridyl) complexes have been prepared and their metal-anion bonding probed in the solid state and solution.
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Synthesis and thermal decomposition of a pyridylene-bridged bis-[small beta]-diketiminate magnesium hydride cluster

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14284-14290
DOI: 10.1039/C4DT00835A, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Sjoerd Harder, Jan Spielmann, Julia Intemann
Thermal decomposition of a magnesium hydride complex with four Mg2+ and four H- ions leads to H2 elimination and ligand reduction.
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Ligand influences on homoleptic Group 12 m-terphenyl complexes

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14257-14264
DOI: 10.1039/C4DT00647J, PaperToby J. Blundell, Fiona R. Hastings, Benjamin M. Gridley, Graeme J. Moxey, William Lewis, Alexander J. Blake, Deborah L. Kays
The analysis of three series of two-coordinate Group 12 bis-terphenyl complexes highlights how subtle changes to ligand properties, particularly sterics, and, to a smaller extent, electronics have a large effect on the solid state structures adopted.
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Catalytic hydroacetylenation of carbodiimides with homoleptic alkaline earth hexamethyldisilazides

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14249-14256
DOI: 10.1039/C3DT53542H, PaperMerle Arrowsmith, Mark R. Crimmin, Michael S. Hill, Sarah L. Lomas, Myra Sae Heng, Peter B. Hitchcock, Gabriele Kociok-Kohn
The homoleptic alkaline earth hexamethyldisilazides, [M{N(SiMe3)2}2(THF)2] (M = Mg, Ca, Sr), are shown to be efficient precatalysts for the hydroacetylenation of organic carbodiimides with alkyl- and arylacetylenes.
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Synthesis and Structures of Doubly-Bridged Dicyclopentadienyl Dinuclear Rhenium Complexes, and Their Photochemical Reactions with Aromatic Halides in Benzene

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02370F, PaperBolin Zhu, Xinwei Huang, Xiaoting Hao
Reaction of the doubly-bridged biscyclopentadienes (C5H4(EMe2))(C5H4(SiMe2)) (E = Si(1a), or C(1b)) with Re2(CO)10 in refluxing mesitylene gave the corresponding dirhenium carbonyl complexes [([small eta]5-C5H3)2(EMe2)(SiMe2)][Re(CO)3]2 (trans-2a,b and cis-2a,b), and the desilylated products...
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Reversible CO Exchange at Platinum(0). An Example of Similar Complex Properties Produced by Ligands with Very Different Stereoelectronic Characteristics

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02303J, PaperPaul G Pringle, Sebastian Forrest, Hazel Sparkes, Duncan Wass
The ligands 1,2-C6H4(CH2PtBu2)2 (La) and 1,2-C6H4(PtBu2)(CH2PtBu2) (Lb) displace norbornene (nbe) from [Pt([small eta]2-nbe)3] to give [PtL([small eta]2-nbe)] where L = La (1a) or Lb (1b); 1a is fluxional on the NMR timescale....
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Unusual binding mechanism of Cu(II) ions to the poly-histidyl domain of a peptide found in the venom of an African viper

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02257B, PaperMaurizio Remelli, Fabio Pontecchiani, Eyal Simonovsky, Robert Wieczorek, Nuno Barbosa, Magdalena Rowinska-Zyrek, Slawomir Potocki, Yifat Miller, Henryk Kozlowski
Copper complexes of a poly-His/poly-Gly peptide (EDDHHHHHHHHHGVGGGGGGGGGG-NH2), a natural component of a snake venom, were studied by means of both experimental (thermodynamic, spectroscopic and MS) techniques and molecular dynamics (MD)...
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Iron-catalyzed AGET ATRP of methyl methacrylate using alcohol as reducing agent in polar solvent

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01256A, PaperZhigang Xue, Jun Zhou, Dan He, Fan Wu, Danfeng Yang, Yun Sheng Ye, Yonggui Liao, Xingping Zhou, Xiaolin Xie
The alcohols, methanol, ethanol, ethylene glycol (EG), and glycerol were used as reducing agents for iron(III)-catalyzed activators generated by electron transfer atom transfer radical polymerizations (AGET ATRPs) of methyl methacrylate...
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Crystal structure of paramagnetic copper (II) oxalate (CuC2O4): Formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01689K, PaperAxel Norlund Christensen, Bente Lebech, Niels Hessel Andersen, Jean Claude Grivel
Abstract Synthetic copper (II) oxalate, CuC2O4 was obtained in a precipitation reaction between a copper (II) solution and an aqueous solution of oxalic acid. The product was identified from its...
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Alkali - Metal Ion Coordination in Uranyl(VI) Poly-Peroxide Complexes in Solution. Part 1, The Li+, Na+ and K+ - Peroxide -Hydroxide Systems.

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02104E, PaperPier Luigi Zanonato, Plinio Di Bernardo, Valerie Vallet, Zoltan Szabo, Ingmar Grenthe
The alkali metal ions Li+, Na+ and K+ have a profound influence on the stoichiometry of the complexes formed in uranyl(VI) - peroxide - hydroxide systems, presumably as a result...
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Chemical "Top-Down" Synthesis of Amphiphilic Superparamagnetic Fe3O4 Nanobelts from Exfoliated FeOCl Layers

16 September, 2014 - 12:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02176B, Communicationxiao Wei, Juan Su, Xin-Hao Li, Jie-Sheng Chen
A novel chemical "top-down" method has been employed to prepare tiny Fe3O4 nanobelts. Uniform Fe3O4 nanobelts were obtained by solvothermal reduction of exfoliated FeOCl layers with the assistance of high...
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Thin-coated water soluble CdTeS alloyed quantum dots as energy donors for highly efficient FRET

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01502A, PaperAkram Yahia-Ammar, Aline M. Nonat, Anne Boos, Jean-Luc Rehspringer, Zouhair Asfari, Loic J. Charbonniere
A model for the determination of the chemical composition and the size of CdTeS QDs is proposed and confirmed by FRET experiments.
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Fulvic acid complexation of Eu(III) and Cm(III) at elevated temperatures studied by time-resolved laser fluorescence spectroscopy

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02339K, PaperDaniel R. Frohlich, Andrej Skerencak-Frech, Michael Gast, Petra J. Panak
The interaction of Eu(III) and Cm(III) with three different aquatic fulvic acids (FA) was studied as a function of the temperature (T = 20-80 [degree]C) in 0.1 M NaCl solution by time-resolved laser fluorescence spectroscopy.
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New expeditions in polar organometallic chemistry

16 September, 2014 - 12:17

Dalton Trans., 2014, 43,14179-14180
DOI: 10.1039/C4DT90136C, EditorialEva Hevia
Welcome to this themed issue of Dalton Transactions entitled "New Expeditions in Polar Organometallic Chemistry".
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Accurate yet feasible computations of resonance Raman spectra for metal complexes in solution: [Ru(bpy)3]2+ as a case study

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02151G, CommunicationAlberto Baiardi, Camille Latouche, Julien Bloino, Vincenzo Barone
Herein we present a new and promising approach for the high-resolution modeling of vibrational resonance Raman spectra of metal complexes in solution.
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Unprecedented dinuclear Robson type macrocyclic complexes having two +III metal ions in two compartments and the role of the diimino moiety on the stability of metal ion oxidation states

16 September, 2014 - 12:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01647E, PaperLeena Mandal, Sasankasekhar Mohanta
Robson type macrocyclic complexes: Unique examples of CoIIICoIII compounds with 1,3-diaminopropane but CoIIICoIII compounds with 2,2-dimethyl-1,3-diaminopropane. The systems show catechol oxidase activity.
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