Dalton Transactions

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Mixed-metal chalcogenide tetrahedral clusters with an exo-polyhedral metal fragment

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17184-17190
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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Microporous Ni11(HPO3)8(OH)6 nanocrystals for high-performance flexible asymmetric all solid-state supercapacitors

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17000-17005
DOI: 10.1039/C4DT02831G, CommunicationYanping Gao, Junhong Zhao, Zhen Run, Guangqin Zhang, Huan Pang
Microporous Ni11(HPO3)8(OH)6 nanocrystals were successfully applied to create a flexible solid-state asymmetric supercapacitor, which achieved a maximum energy density of 0.45 mW h cm-3 with high stability for 10 000 cycles.
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Synthesis and characterizations of pyridazine-based iron chelators

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17120-17128
DOI: 10.1039/C4DT02687J, PaperYongmin Ma, Xiaole Kong, Yu-lin Chen, Robert C. Hider
New pyridazine-based iron chelators were synthesized from 3,4,5-trichloropyridazine via a 6-step reaction and their iron affinity constants are characterized.
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High nitrogen-doped carbon/Mn3O4 hybrids synthesized from nitrogen-rich coordination polymer particles as supercapacitor electrodes

3 November, 2014 - 23:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02456G, PaperKuaibing Wang, Xiaobo Shi, Aiming Lu, Xiaoyan Ma, Zhiyang Zhang, Yanan Lu, Hongju Wang
High N-doped C/Mn3O4 composites are charged and discharged faster and have higher capacitance than C/Mn3O4 nanostructures with low N-amounts with 96% retained capacitance after 500 cycles at a constant current.
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Unraveling the origins of catalyst degradation in non-heme iron-based alkane oxidation

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17108-17119
DOI: 10.1039/C4DT02067G, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Michaela Grau, Andrew Kyriacou, Fernando Cabedo Martinez, Irene M. de Wispelaere, Andrew J. P. White, George J. P. Britovsek
A series of iron(II) complexes with tetradentate and pentadentate pyridyl amine ligands has been used for the oxidation of cyclohexane with hydrogen peroxide. Ligand degradation is observed under oxidising conditions via oxidative N-dealkylation.
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22-Azametallacrown-8 complex with a triazole-bridged ligand: synthesis, structure and magnetic properties

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,16986-16991
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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Fabrication of Au/ZnO nanoparticles derived from ZIF-8 with visible light photocatalytic hydrogen production and degradation dye activities

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,16981-16985
DOI: 10.1039/C4DT02557A, CommunicationLiu He, Lu Li, Tingting Wang, Hong Gao, Guangzhe Li, Xiaotong Wu, Zhongmin Su, Chungang Wang
A facile two-step strategy was developed to fabricate yellow fluorescent GSH-Au NCs/ZIF-8 NPs and their derived Au/ZnO NPs, which exhibited visible light photocatalytic hydrogen evolution together with degradation of Rhodamine B.
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Electrocatalytic proton reduction catalyzed by a dimanganese disulfide carbonyl complex containing a redox-active internal disulfide bond

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,16977-16980
DOI: 10.1039/C4DT02361G, CommunicationKaipeng Hou, Wai Yip Fan
A dimanganese complex containing a redox-active elongated disulfide bond electrocatalyses proton reduction.
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Synthesis, structures, and norbornene polymerization behavior of C(sp3), N-chelated palladacycles bearing o-aryloxide-N-heterocyclic carbene ligands

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17177-17183
DOI: 10.1039/C4DT02198C, PaperLiang Dang, Jing Guo, Haibin Song, Binyuan Liu, Baiquan Wang
A series of C(sp3), N-chelated o-aryloxide-NHC-ligated palladacycles was synthesized and applied to catalyze the addition polymerization of norbornene.
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Structural and magnetic studies of perovskite YCr0.5Mn0.5O3

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17085-17089
DOI: 10.1039/C4DT02503B, PaperHannah James, Brendan J. Kennedy, Thomas A. Whittle, Maxim Avdeev
Neutron powder diffraction demonstrates cation disorder in YCr0.5Mn0.5O6 in a G-type antiferromagnetic arrangement.
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An acid-stable Zn(II) complex: electrodeposition in sulfuric acid and the effect on the zinc-lead dioxide battery

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17129-17135
DOI: 10.1039/C4DT02338B, PaperMiao Miao Zhang, Yun Gong, Pan Zhang, Hui Fang Shi, Jian Hua Lin
An acid-stable Zn(II) complex with a 3D dense architecture can be synthesized hydrothermally or via electrodeposition in sulfuric acid.
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Construction of iridium and rhodium cyclometalated macrocycles based on p-carborane and N,N[prime or minute]-donor bridging ligands

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17200-17208
DOI: 10.1039/C4DT02495H, PaperXu-Yu Shen, Long Zhang, Yue-Jian Lin, Guo-Xin Jin
Construction of shape controllable macrocycles with stacking channels from p-carborane and pyridine-imine ligands.
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Unprecedented metal-mediated in situ reactions of heterocyclic disulfide of di[4-(pyridin-2-yl)pyrimidinyl]disulfide

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17156-17162
DOI: 10.1039/C4DT02322F, PaperHai-Bin Zhu, Yan-Fang Wu, Yue Zhao, Jun Hu
Depending on metal salts and solvents, heterocyclic disulfide of 2-ppds can be in situ converted into different organic compounds (1L-4L).
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Synthesis, characterization, and reactivity studies of a water-soluble bis(alkoxo)(carboxylato)-bridged diMnIII complex modeling the active site in catalase

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17145-17155
DOI: 10.1039/C4DT01907E, PaperClaudia Palopoli, Carine Duhayon, Jean-Pierre Tuchagues, Sandra Signorella
A SO3-Schiff base ligand affords a highly efficient Mn-containing catalase mimic in an aqueous medium, with high affinity for the substrate and turnover numbers increasing with pH.
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Synthesis and order-disorder transition in a novel metal formate framework of [(CH3)2NH2]Na0.5Fe0.5(HCOO)3]

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17075-17084
DOI: 10.1039/C4DT02586E, PaperMiroslaw Maczka, Adam Pietraszko, Lucyna Macalik, Adam Sieradzki, Justyna Trzmiel, Adam Pikul
We report the synthesis and characterization of a novel metal formate templated by dimethylammonium cations, [(CH3)2NH2][Na0.5Fe0.5(HCOO)3], exhibiting phase transition at 167 K.
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Enantiopure N,N,O-scorpionate zinc amide and chloride complexes as efficient initiators for the heteroselective ROP of cyclic esters

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17090-17100
DOI: 10.1039/C4DT02178A, PaperManuel Honrado, Antonio Otero, Juan Fernandez-Baeza, Luis F. Sanchez-Barba, Andres Garces, Agustin Lara-Sanchez, Ana M. Rodriguez
Amide-containing zinc heteroscorpionates can act as single-component initiators for the well-controlled ROP of rac-LA to produce heterotactic-enriched materials.
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Time-resolved and photoluminescence spectroscopy of [small theta]-Al2O3 nanowires for promising fast optical sensor applications

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17034-17043
DOI: 10.1039/C4DT01831A, PaperJitendra Gangwar, Bipin Kumar Gupta, Pawan Kumar, Surya Kant Tripathi, Avanish Kumar Srivastava
[small theta]-Al2O3 nanowires were grown by a facile hydrothermal method and TRPL spectroscopy suggests their suitability for optical sensors.
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Two Strandberg-type organophosphomolybdates: synthesis, crystal structures and catalytic properties

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17172-17176
DOI: 10.1039/C4DT02571G, PaperJian-Ping Wang, Hong-Xin Ma, Lan-Cui Zhang, Wan-Sheng You, Zai-Ming Zhu
Two Cu(II)-complex-decorating Strandberg-type organophosphomolybdates were hydrothermally synthesized, and they are for the first time used as acid-catalysts for the protection of the carbonyl group and display better catalytic activity than that of the parent {(C6H5P)2Mo5}.
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Gold(I) thiolates containing amino acid moieties. Cytotoxicity and structure-activity relationship studies

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17054-17066
DOI: 10.1039/C4DT02299H, PaperAlejandro Gutierrez, Lucia Gracia-Fleta, Isabel Marzo, Carlos Cativiela, Antonio Laguna, M. Concepcion Gimeno
The cytotoxic activity in gold complexes with thiolate ligands functionalised with amino acids or peptides has been explored. Structure-activity relationship studies have led to the synthesis of the most active species.
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Photocatalytic reactivity tuning by heterometal and addenda metal variation in Lindqvist polyoxometalates

3 November, 2014 - 23:17

Dalton Trans., 2014, 43,17029-17033
DOI: 10.1039/C4DT02682A, PaperJohannes Tucher, Stefanie Schlicht, Fabian Kollhoff, Carsten Streb
The photooxidative performance of Lindqvist clusters [VxM6-xO19](2+x)- (M = W, Mo, x = 1, 2) is increased by mono- and di-vanadium functionalization. Divergent reaction mechanisms are observed depending on the type of addenda metal (Mo/W).
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