Dalton Transactions

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Long range charge transfer in trimetallic mixed-valence iron complexes mediated by redox non-innocent cyanoacetylide ligands

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6291-6294
DOI: 10.1039/C4DT00614C, CommunicationJosef B. G. Gluyas, Andrew J. Boden, Samantha G. Eaves, Herrick Yu, Paul J. Low
A redox active 9-atom, 10-bond -C[triple bond, length as m-dash]C-C[triple bond, length as m-dash]N{Fe(dppx)2}N[triple bond, length as m-dash]C-C[triple bond, length as m-dash]C- bridge is shown to be effective at promoting electron transfer between metal centres separated by some 15 A.
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Probing interactions through space using spin-spin coupling

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6548-6560
DOI: 10.1039/C4DT00408F, PaperMartin W. Stanford, Fergus R. Knight, Kasun S. Athukorala Arachchige, Paula Sanz Camacho, Sharon E. Ashbrook, Michael Buhl, Alexandra M. Z. Slawin, J. Derek Woollins
A series of eight 5-(TeAr)-6-(SePh)acenaphthenes (Ar = aryl) were prepared and structurally characterised by X-ray crystallography, solution and solid-state NMR spectroscopy and DFT/B3LYP calculations.
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Synthesis, crystal structure and EPR spectroscopic analysis of novel copper complexes formed from N-pyridyl-4-nitro-1,8-naphthalimide ligands

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6468-6479
DOI: 10.1039/C3DT53323A, PaperJonathan A. Kitchen, Paulo N. Martinho, Grace G. Morgan, Thorfinnur Gunnlaugsson
The synthesis of two new monodentate pyridyl based 4-nitro-1,8-naphthalimide ligands and their corresponding Cu-complexes (using various salts) is described. Of these, complexes 1-3 and 5, all gave rise to structures that were characterised by X-ray crystallography and EPR.
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A homoleptic [small eta]2 hydroxylaminato CeIV complex with S4 symmetry

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6300-6303
DOI: 10.1039/C4DT00287C, CommunicationWalter L. Dorfner, Patrick J. Carroll, Eric J. Schelter
An electron rich, air-stable hydroxylamine ligand and a strongly stabilized cerium(IV) hydroxylaminato complex are described.
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Sensitisation of Eu(III)- and Tb(III)-based luminescence by Ir(III) units in Ir/lanthanide dyads: evidence for parallel energy-transfer and electron-transfer based mechanisms

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6414-6428
DOI: 10.1039/C4DT00292J, PaperDaniel Sykes, Ahmet J. Cankut, Noorshida Mohd Ali, Andrew Stephenson, Steven J. P. Spall, Simon C. Parker, Julia A. Weinstein, Michael D. Ward
In Ir(III)/Eu(III) and Ir(III)/Tb(III) dyads, sensitization of lanthanide luminescence occurs via both energy-transfer and electron-transfer pathways on similar timescales.
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Nickel L-edge and K-edge X-ray absorption spectroscopy of non-innocent Ni[S2C2(CF3)2]2n series (n = -2, -1, 0): direct probe of nickel fractional oxidation state changes

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6406-6413
DOI: 10.1039/C4DT00308J, PaperWeiwei Gu, Hongxin Wang, Kun Wang
Ni L- and K-edge X-ray absorption spectroscopies reveal Ni oxidation state changes experimentally and quantitatively [similar]30% with 1-electron oxidation for Ni[S2C2(CF3)2]2n.
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The role of carboxylato ligand dissociation in the oxidation of chrysin with H2O2 catalysed by [Mn2III,IV([small mu ]-CH3COO)([small mu ]-O)2(Me4dtne)](PF6)2

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6322-6332
DOI: 10.1039/C3DT53174K, PaperShaghayegh Abdolahzadeh, Nicola M. Boyle, M. Lisa Hoogendijk, Ronald Hage, Johannes W. de Boer, Wesley R. Browne
The loss of the acetato ligand is shown to be key to the activity of this manganese catalyst at pH 11 in bleaching of chrysin.
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A hybrid vanadium fluoride with structurally isolated S = 1 kagome layers

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6304-6307
DOI: 10.1039/C4DT00452C, CommunicationFarida H. Aidoudi, Lewis J. Downie, Russell E. Morris, Mark A. de Vries, Philip Lightfoot
A novel hybrid vanadium fluoride displaying isolated S = 1 kagome layers separated by ammonium and ethylammonium cations is prepared; this compound shows interesting magnetic properties.
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Multiplying the electron storage capacity of a bis-tetrazine pincer ligand

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6513-6524
DOI: 10.1039/C4DT00341A, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Christopher R. Benson, Alice K. Hui, Kumar Parimal, Brian J. Cook, Chun-Hsing Chen, Richard L. Lord, Amar H. Flood, Kenneth G. Caulton
A new nitrogen-rich pincer ligand is the key to develop quantitatively rich "redox non-innocent" reductive chemistry when complexed to Fe(2+), as illustrated.
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A tetrazole-based fluorescence "turn-on" sensor for Al(III) and Zn(II) ions and its application in bioimaging

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6429-6435
DOI: 10.1039/C4DT00009A, PaperWei-Hua Ding, Wei Cao, Xiang-Jun Zheng, Wan-Jian Ding, Jin-Ping Qiao, Lin-Pei Jin
A dual fluorescent chemosensor for Al3+ and Zn2+ ions based on inhibition of ESIPT can be applied in bioimaging.
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Electrochemical synthesis, characterization of Ir-Zn containing coordination polymer, and application in oxygen and glucose sensing

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6536-6547
DOI: 10.1039/C3DT53504E, PaperKum-Yi Cheng, Jing-Chang Wang, Chun-Yen Lin, Wei-Ren Lin, Yi-An Chen, Fu-Ju Tsai, Yu-Chun Chuang, Gu-Ying Lin, Cheng-Wei Ni, Yu-Ting Zeng, Mei-Lin Ho
Electrochemical synthesis of crystalline iridium(III)-containing coordination polymers applied to oxygen sensing and the determination of glucose in human serum.
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Proton conductors based on alkaline-earth substituted La28-xW4+xO54+3x/2

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6490-6499
DOI: 10.1039/C3DT53604A, PaperM. J. Zayas-Rey, L. dos Santos-Gomez, A. Cabeza, D. Marrero-Lopez, E. R. Losilla
Lanthanum tungstates, "La6WO12", are mixed ion proton-electronic conductors with very interesting properties for technological applications and better phase stability compared to alkaline earth perovskites.
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Insights into water coordination associated with the CuII/CuI electron transfer at a biomimetic Cu centre

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6436-6445
DOI: 10.1039/C3DT53548G, PaperAna Gabriela Porras Gutierrez, Joceline Zeitouny, Antoine Gomila, Benedicte Douziech, Nathalie Cosquer, Francoise Conan, Olivia Reinaud, Philippe Hapiot, Yves Le Mest, Corinne Lagrost, Nicolas Le Poul
The coordination chemistry of an aqua Cu complex was investigated in non-coordinating solvents and in ionic liquids.
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Synthesis, structures and DFT calculations of 2-(4,6-dimethyl pyrimidyl)selenolate complexes of Cu(I), Ag(I) and Au(I) and their conversion into metal selenide nanocrystals

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6525-6535
DOI: 10.1039/C4DT00012A, PaperRakesh K. Sharma, Amey Wadawale, G. Kedarnath, Debashree Manna, Tapan K. Ghanty, B. Vishwanadh, Vimal K. Jain
Dimethyl pyrimidylselenolates of Cu(I), Ag(I) and Au(I) were synthesized and utilized as precursors for preparation of the respective metal selenide nanocrystals.
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In situ generation of a high-performance Pd-polypyrrole composite with multi-functional catalytic properties

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6396-6405
DOI: 10.1039/C3DT53567C, PaperMeenakshi Choudhary, Rafique Ul Islam, Michael J. Witcomb, Kaushik Mallick
Catalytic activity of palladium nanoparticles for PCET reaction.
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Solid-state carbon-13 NMR and computational characterization of the N719 ruthenium sensitizer adsorbed on TiO2 nanoparticles

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6389-6395
DOI: 10.1039/C3DT52543K, PaperNicola Salvi, Julien Frey, Diego Carnevale, Michael Gratzel, Geoffrey Bodenhausen
The ruthenium-containing sensitizing dye N719 grafted on TiO2 nanoparticles was investigated by solid-state NMR.
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Triple-bridged ferromagnetic nickel(II) complexes: A combined experimental and theoretical DFT study on stabilization and magnetic coupling

7 April, 2014 - 18:54

Dalton Trans., 2014, 43,6455-6467
DOI: 10.1039/C3DT52764F, PaperRituparna Biswas, Carmen Diaz, Antonio Bauza, Miquel Barcelo-Oliver, Antonio Frontera, Ashutosh Ghosh
The H-bonding stabilization and ferromagnetic coupling of triple bridged (double [small mu ]2-phenoxido and water) and ([small mu ]2-phenoxido, bi- and tridentate carboxylato) di- and trinuclear Ni(II) complexes have been rationalized by DFT calculations.
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