Dalton Transactions

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Water-exchange rates of lanthanide ions in an ionic liquid

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16156-16159
DOI: 10.1039/C4DT02492C, CommunicationZhijin Lin, Megan L. Shelby, Dugan Hayes, Kelly A. Fransted, Lin X. Chen, Matthew J. Allen
The first ligand-exchange rate measurements of lanthanide ions in an ionic liquid are reported here.
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Synthesis and structures of bis-ligated zinc complexes supported by tridentate ketoimines that initiate L-lactide polymerization

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16498-16508
DOI: 10.1039/C4DT01607F, PaperKimberly A. Gerling, Nomaan M. Rezayee, Arnold L. Rheingold, David B. Green, Joseph M. Fritsch
Eight bis-ligated, homoleptic, zinc complexes were synthesized through the reaction of NNO Schiff base ketoimines bearing varying substituents with diethyl zinc in an inert atmosphere glovebox at room temperature and isolated in 62-95% yield.
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Copper(I)-assisted red-shifted phosphorescence in Au(I)Cu(I) heteropolynuclear complexes

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16486-16497
DOI: 10.1039/C4DT02154A, PaperVincent J. Catalano, Jose M. Lopez-de-Luzuriaga, Miguel Monge, M. Elena Olmos, David Pascual
The introduction of a copper(I) center into a gold(I) precursor with P,N-donor ligands leads to a large red-shift of the emissions in the solid state. Theoretical calculations reveal the nature of the emissive states.
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Oxido-molybdenum complexes obtained by Cl/O interchange between MoCl5 and carboxylic acids: a crystallographic, spectroscopic and computational study

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16416-16423
DOI: 10.1039/C4DT02201G, PaperMarco Bortoluzzi, Fabio Marchetti, Guido Pampaloni, Stefano Zacchini
The reactivity of MoCl5 with carboxylic acids has been elucidated for the first time. The reactions are featured by the chlorinating behaviour of MoCl5, rather than affording the respective carboxylato complexes.
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Structural limitations for optimizing garnet-type solid electrolytes: a perspective

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16133-16138
DOI: 10.1039/C4DT02162B, PerspectiveWolfgang G. Zeier
Structural limitations in the family of lithium conducting garnets lead to optimum structural parameters and a maximum attainable conductivity.
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Discrete and polymeric Cu(II) complexes featuring substituted indazole ligands: their synthesis and structural chemistry

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16450-16458
DOI: 10.1039/C4DT02428A, PaperChris S. Hawes, Paul E. Kruger
Four substituted indazole ligands have been prepared and reacted with Cu(II) ions to give a range of discrete and polymeric supramolecular architectures, which showcase the surprising and powerful structural versatility of this uncommon heterocyclic building block.
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Bis-tetradentate complexes of Cd(II) and Hg(II) with N8 coordination: structural and NMR comparisons

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16475-16485
DOI: 10.1039/C4DT02435D, PaperEdith V. Bowers, Geoffrey S. Murphy, Stephanie N. Till, Christopher J. VandenBussche, Melissa M. Yaroschak, Robert D. Pike, Raymond J. Butcher, Deborah C. Bebout
Bis-tripodal N4 chelate Cd(II) complexes underwent slow intramolecular isomerization on the [small delta]H time scale and Hg(II) complexes had unusually large long range J(199Hg1H).
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Addition of C-C and C-H bonds by pincer-iridium complexes: a combined experimental and computational study

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16354-16365
DOI: 10.1039/C4DT02043J, PaperDavid A. Laviska, Changjian Guan, Thomas J. Emge, Miles Wilklow-Marnell, William W. Brennessel, William D. Jones, Karsten Krogh-Jespersen, Alan S. Goldman
Oxidative addition of the strained biphenylene C-C bond proceeds via a transition state wherein the biphenylene unit is severely "tilted".
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A calix[2]triazole[2]arene-based fluorescent chemosensor for probing the copper trafficking pathway in Wilson's disease

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16178-16182
DOI: 10.1039/C4DT02208D, CommunicationJihee Cho, Tuhin Pradhan, Yun Mi Lee, Jong Seung Kim, Sanghee Kim
We herein present a synthesis of a new fluorescent chemosensor for Cu2+ and its application to Wilson's disease cell model to probe the copper trafficking pathway.
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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

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16459-16474
DOI: 10.1039/C4DT02252A, PaperAlexandra Pop, Lingfang Wang, Vincent Dorcet, Thierry Roisnel, Jean-Francois Carpentier, Anca Silvestru, Yann Sarazin
The coordination chemistry of organochalcogenolato ligands containing hard (N, O) and soft (S, Se) atoms onto divalent Ge, Sn and Pb is explored.
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Reversible CO exchange at platinum(0). An example of similar complex properties produced by ligands with very different stereoelectronic characteristics

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16335-16344
DOI: 10.1039/C4DT02303J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Sebastian J. K. Forrest, Paul G. Pringle, Hazel A. Sparkes, Duncan F. Wass
The electron-rich, bulky diphosphines La and Lb support three- and four-coordinate carbonylplatinum(0) complexes, as does the electron-poor diphosphine Lf.
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Iron-catalyzed AGET ATRP of methyl methacrylate using an alcohol as a reducing agent in a polar solvent

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16528-16533
DOI: 10.1039/C4DT01256A, PaperZhigang Xue, Jun Zhou, Dan He, Fan Wu, Danfeng Yang, Yun Sheng Ye, Yonggui Liao, Xingping Zhou, Xiaolin Xie
The iron(III)-catalyzed AGET ATRP of MMA using DMF as a ligand and an alcohol as a reducing agent is reported. This environmentally friendly system has the typical features of "living" radical polymerization.
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Chemical "top-down" synthesis of amphiphilic superparamagnetic Fe3O4 nanobelts from exfoliated FeOCl layers

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16173-16177
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.
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CO2-assisted synthesis of mesoporous carbon/C-doped ZnO composites for enhanced photocatalytic performance under visible light

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16441-16449
DOI: 10.1039/C4DT02098G, PaperFangxiao Wang, Lin Liang, Lei Shi, Mengshuai Liu, Jianmin Sun
Mesoporous carbon/C-doped ZnO composites fabricated by a fast process in CO2-expanded ethanol showed enhanced photocatalytic performance under visible light.
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Organo-functionalized metal-oxide clusters: synthesis and characterization of the reduced cationic species [NaVIV6O6{(OCH2CH2)2NH}6]+

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16509-16514
DOI: 10.1039/C4DT02174F, PaperM. Ishaque Khan, Y. Zheng, H. Li, L. Swenson, A. Basha, R. J. Doedens
A new diethanolamine functionalized oxovanadium cationic cluster was synthesized and characterized; electrochemical and UV-vis absorption properties are consistent with two distinct MLCT processes.
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1,3,5-Triferrocenyl-2,4,6-tris(ethynylferrocenyl)-benzene - a new member of the family of multiferrocenyl-functionalized cyclic systems

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16310-16321
DOI: 10.1039/C4DT02307B, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ulrike Pfaff, Grzegorz Filipczyk, Alexander Hildebrandt, Marcus Korb, Heinrich Lang
The synthesis of multi-ferrocenylated benzenes with alternating ferrocenylethynyl and ferrocenyl groups using Sonogashira and Negishi C,C cross-coupling is described. The electronic properties have been investigated by (spectro)electrochemical measurements.
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Facile synthesis of phosphine free ultra-small PbSe nanocrystals and their light harvesting studies in ETA solar cells

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16424-16430
DOI: 10.1039/C4DT01941E, PaperJaveed Akhtar, Mateusz Banski, Mohammad Azad Malik, Neerish Revaprasadu, Artur Podhorodecki, Jan Misiewicz
Ultra-small PbSe nanocrystals (NCs) were synthesized via a 'one-pot' approach in olive oil as the reaction medium and capping agent.
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Facile synthesis of graphite nitrate-like ammonium vanadium bronzes and their graphene composites for sodium-ion battery cathodes

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16522-16527
DOI: 10.1039/C4DT02002B, PaperHailong Fei, Huan Li, Zhiwei Li, Wenjing Feng, Xin Liu, Mingdeng Wei
A novel graphite nitrate-like ammonium vanadium bronze cathode material for sodium-ion batteries delivers high capacity.
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Direct observation of the microstructure and defects in KBe2BO3F2 crystals by TEM

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16411-16415
DOI: 10.1039/C4DT02124J, PaperTao Xu, Lijuan Liu, Xiaoyang Wang, Chuangtian Chen, Haitao Zhou, Xiaoling He, Changlong Zhang, Junliang Sun
We apply for the first time transmission electron microscopy to the direct observation of the deep-UV nonlinear optical crystal KBe2BO3F2 (KBBF) grown using different methods.
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Ti7-containing, tetrahedral 36-tungsto-4-arsenate(III) [Ti6(TiO6)(AsW9O33)4]20-

20 October, 2014 - 19:54

Dalton Trans., 2014, 43,16143-16146
DOI: 10.1039/C4DT02494J, CommunicationKai-Yao Wang, Bassem S. Bassil, Zheng-Guo Lin, Ali Haider, Jie Cao, Holger Stephan, Katrin Viehweger, Ulrich Kortz
Ti7-containing [Ti6(TiO6)(AsW9O33)4]20- (1) comprises a central, octahedrally coordinated Ti4+ ion bridged to six square-pyramidally coordinated Ti4+ ions, and this titanium-oxo core is surrounded by four {AsW9O33} capping units, resulting in an overall tetrahedral assembly.
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