Dalton Transactions

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Synthesis, Magnetism and Mossbauer Studies of Tetranuclear Heterometallic {FeIII2Ln2}(Ln = Gd, Dy,Tb) Complexes: Evidence of Slow Relaxation of Magnetization in the Terbium Analogue

4 September, 2014 - 09:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01451K, PaperVadapalli Chandrasekhar, Prasenjit Bag, Joydeb Goura, Valeriu Mereacre, Ghenadie Novitchi, Annie K Powell
A new family of tetranuclear heterometallic assemblies, [FeIII2Gd2(H2L)4([small eta]2-NO3)2][round bullet, filled]2ClO4∙2CH3OH∙2H2O (1), [FeIII2Dy2(H2L)4([small eta]2-NO3)2][round bullet, filled]2ClO4∙2CH3OH∙2H2O (2), [FeIII2Tb2(H2L)4([small eta]2-NO3)2][round bullet, filled]2ClO4∙2CH3OH∙2H2O (3) have been successfully synthesized employing a multidentate Schiff-base ligand, (E)-2,2'-(2-hydroxy-3-((2-hydroxyphenylimino)methyl)-5-methylbenzylazanediyl)-diethanol (H4L), Fe(ClO4)2.6H2O and LnIII nitrate salts. These...
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Coordination chemistry of Co complexes containing tridentate SNS ligands and their application as catalysts for the oxidation of n-octane

4 September, 2014 - 09:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01750A, PaperLynette Soobramoney, Muhammad Bala, Holger B Friedrich
The selective oxidation of saturated hydrocarbons to terminal oxygenates under mild catalytic conditions has remained a centuries long challenge to chemical catalysis. In an attempt to address this challenge, two...
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Synthesis of novel and stable g-C3N4/N-doped SrTiO3 hybrid nanocomposites with improved photocurrent and photocatalytic activity under visible light irradiation

4 September, 2014 - 09:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01076K, PaperSantosh Kumar, Surendar T, Arabinda Baruah, Bharat Kumar, Vishnu Shanker
The hybrid nanocomposites based on N-doped SrTiO3 nanoparticles wrapped g-C3N4 nanosheets were prepared by a facile and reproducible polymeric citrate and thermal exfoliation method. The results clearly indicated that the...
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Structure and photoluminescence of silver(I) trinuclear halopyrazolato complexes

4 September, 2014 - 09:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01978D, PaperYui Morishima, David James Young, Kiyoshi Fujisawa
Five halogen substituted pyrazolates, 4-chloro-3,5-diisopropylpyrazole (4-Cl-3,5-iPr2pzH), 4-bromo-3,5-diisopropylpyrazole (4-Br-3,5-iPr2pzH), 4-iodo-3,5-diisopropylpyrazole (4-I-3,5-iPr2pzH), 4-chloro-3,5-diphenylpyrazole (4-Cl-3,5-Ph2pzH), and 4-bromo-3,5-diphenylpyrazole (4-Br-3,5-Ph2pzH) were conveniently prepared by halogenation of the appropriate pyrazoles with N-halosuccinimides (NXS) (X = Cl,...
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Efficient halogen photoelimination from dibromo, dichloro and difluoro tellurophenes

4 September, 2014 - 09:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01751J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Elisa I. Carrera, Dwight S. Seferos
Visible light induces photoreductive elimination of bromine, chlorine, and for the first time, fluorine from the tellurium center of 2,5-diphenyltellurophene.
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A new library of arsine, stibine-stabilized N-heterocyclic carbene palladium complexes: synthesis, structures and activities in C-C and C-N coupling reactions

4 September, 2014 - 09:17

Dalton Trans., 2014, 43,14114-14122
DOI: 10.1039/C4DT01773K, PaperJin Yang, Pinhua Li, Yicheng Zhang, Lei Wang
A series of N-heterocyclic carbene palladium complexes bearing AsPh3 and SbPh3 functions was synthesized and characterized. Furthermore, the catalytic activities of the complexes in the C-C and C-N coupling reactions were also investigated.
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Au@TiO2 double-shelled octahedral nanocages with improved catalytic properties

4 September, 2014 - 09:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02245A, PaperXiaoming Lv, Yihua Zhu, Hongliang Jiang, Hua Zhong, Xiaoling Yang, Chunzhong Li
The gold@titanium dioxide octahedral nanocages (Au@TiO2) with a well-defined double-shelled structure with Au as the internal shell and TiO2 as the external shell exhibit excellent and stable activity for the catalytic reduction of 4-nitrophenol.
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In situ powder X-ray diffraction study of the hydro-thermal formation of LiMn2O4 nanocrystallites

4 September, 2014 - 09:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01307G, PaperSteinar Birgisson, Kirsten Marie Ornsbjerg Jensen, Troels Lindahl Christiansen, Jon Fold von Bulow, Bo Brummerstedt Iversen
The reaction details for hydrothermal synthesis of LiMn2O4 nanocrystallites is revealed through in situ X-ray powder diffraction studies.
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Synthesis and structures of tris(2-pyridyl)aluminate sandwich compounds [{RAl(2-py[prime or minute])2}2M] (py[prime or minute] = 2-pyridyl, M = Ca, Mn, Fe)

4 September, 2014 - 09:17

Dalton Trans., 2014, 43,14045-14053
DOI: 10.1039/C4DT00951G, PaperRaul Garcia-Rodriguez, Thomas H. Bullock, Mary McPartlin, Dominic S. Wright
While neither the bridgehead group (R) nor remote ring Me-groups have any impact on metal coordination of tris(2-pyridyl) aluminate ligands [RAl(2-py[prime or minute])3]-, Me groups adjacent to the donor pyridyl-N atoms have a large effect on their ability to form sandwich arrangements.
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Synthesis and structural characterization of tris(2-mercapto-1-methylbenzimidazolyl)hydroborato cadmium halide complexes, {[TmMeBenz]Cd([small mu ]-Cl)}2 and [TmMeBenz]CdI: a rare example of cadmium in a trigonal bipyramidal sulfur-rich coordination envir

4 September, 2014 - 09:17

Dalton Trans., 2014, 43,13874-13882
DOI: 10.1039/C4DT01820F, PaperJoshua H. Palmer, Gerard Parkin
Whereas [TmMeBenz]CdI is a monomer akin to all other Group 12 [TmR]MX derivatives, the chloride complex, {[TmMeBenz]Cd([small mu ]-Cl)}2, exists as a dimer with Cl bridges.
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Silver ion enhanced C-H activation in Pt(II) hydroxo complexes

4 September, 2014 - 09:17

Dalton Trans., 2014, 43,13858-13864
DOI: 10.1039/C4DT01934B, PaperTracy L. Lohr, Warren E. Piers, Michael J. Sgro, Masood Parvez
Addition of stoichiometric Ag(I) salt to monomeric Pt(II) hydroxo complexes supported by a bulky diimine ligand results in significantly enhanced rates of C-H activation relative to the silver free systems.
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Assignment of the oxidation states of Zr and Co in a highly reactive heterobimetallic Zr/Co complex using X-ray absorption spectroscopy (XANES)

4 September, 2014 - 09:17

Dalton Trans., 2014, 43,13852-13857
DOI: 10.1039/C4DT01534G, PaperJeremy P. Krogman, James R. Gallagher, Guanghui Zhang, Adam S. Hock, Jeffrey T. Miller, Christine M. Thomas
The ambiguous oxidation states in a highly reactive heterobimetallic Zr/Co complex have been assigned using XANES Co and Zr K-edge data and confirmed using computational methods.
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3D reconstruction of atomic structures from high angle annular dark field (HAADF) STEM images and its application on zeolite silicalite-1

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,14158-14163
DOI: 10.1039/C4DT01904K, PaperTom Willhammar, Alvaro Mayoral, Xiaodong Zou
The 3D atomic structure of silicalite-1 has been reconstructed for the first time by combining three high resolution HAADF-STEM images.
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Ultrafast electronic and vibrational relaxations in mixed-ligand dithione-dithiolato Ni, Pd, and Pt complexes

2 September, 2014 - 08:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01955E, PaperFranziska Frei, Ariana Rondi, Davide Espa, Maria Laura Mercuri, Luca Pilia, Angela Serpe, Ahmad Odeh, Frank Van Mourik, Majed Chergui, Thomas Feurer, Paola Deplano, Antonin Vlcek, Andrea Cannizzo
Excitation of Pt, Pd, Ni dithione-dithiolates triggers fs solvation-driven charge redistribution and 6 ps ISC.
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Crystal lattice effect on the quenching of the intracluster magnetic interaction in [V12B18O60H6]10- polyoxometalate

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,14132-14141
DOI: 10.1039/C4DT01561D, PaperPatricio Hermosilla-Ibanez, Walter Canon-Mancisidor, Juan Costamagna, Andres Vega, Veronica Paredes-Garcia, Maria Teresa Garland, Eric Le Fur, Olivier Cador, Evgenia Spodine, Diego Venegas-Yazigi
Quenching effect of the intracluster antiferromagnetic coupling by alkaline ions of the crystalline packing.
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Synergetic effect of Zn substitution on the electron and phonon transport in Mg2Si0.5Sn0.5-based thermoelectric materials

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,14072-14078
DOI: 10.1039/C4DT01734J, PaperHongli Gao, Tiejun Zhu, Xinbing Zhao, Yuan Deng
Isoelectronic Zn substitution in Mg2Si0.5Sn0.5-based thermoelectric materials improved mobility without affecting carrier concentration, leading to an enhancement of ZT.
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Redox-reversible niobium-doped strontium titanate decorated with in situ grown nickel nanocatalyst for high-temperature direct steam electrolysis

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,14147-14157
DOI: 10.1039/C4DT01430H, PaperLiming Yang, Kui Xie, Shanshan Xu, Tingshuai Wu, Qi Zhou, Ting Xie, Yucheng Wu
Electrocatalytic Ni nanoparticles largely improve the performance of the cathode for high-temperature direct steam electrolysis.
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The chloridomolybdenum(III) cluster in [BMIm]4[AgMo10Cl35] with infinite chains of Ag+-linked [Mo10Cl35]5- wheels

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,14109-14113
DOI: 10.1039/C4DT01100G, PaperDominic Freudenmann, Claus Feldmann
[BMIm]4[AgMo10Cl35] contains a new wheel-shaped [Mo10Cl35]5- anion with five pairs of Mo-Mo bonds and Ag+ interlinking to infinite chains.
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{RuNO}6vs. co-ligand oxidation: two non-innocent groups in one ruthenium nitrosyl complex

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,13835-13838
DOI: 10.1039/C4DT01388C, CommunicationAshley B. McQuarters, Nicolai Lehnert
The one-electron oxidation of the {RuNO}6 complex [Ru(L)(PPh3)(NO)(Cl)]2+ (where L = 1-phenyl-1-(pyridin-2-yl)-2-(pyridin-2-ylmethylene)hydrazine) leads to the generation of a co-ligand radical. This complex therefore represents a rare example of a ruthenium complex with two different non-innocent ligands bound.
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Syntheses and structures of copper complexes of 3-(6-(1H-pyrazol-1-yl)pyridin-2-yl)pyrazol-1-ide and their excellent performance in the syntheses of nitriles and aldehydes

2 September, 2014 - 08:54

Dalton Trans., 2014, 43,14061-14071
DOI: 10.1039/C4DT01765J, PaperDa-Wei Tan, Jing-Bo Xie, Qi Li, Hong-Xi Li, Jun-Chi Li, Hai-Yan Li, Jian-Ping Lang
[{Cu(NO3)}([small mu ]-pzpypz)]2 could efficiently catalyze the ammoxidation of alcohol to nitrile and the aerobic oxidation of alcohol to aldehyde in H2O.
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