Dalton Transactions

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RSC - Dalton Trans. latest articles
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Chemical tuning of the magnetic relaxation in dysprosium(III) mononuclear complexes

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12146-12149
DOI: 10.1039/C4DT00846D, CommunicationLuke J. Batchelor, Irene Cimatti, Regis Guillot, Floriana Tuna, Wolfgang Wernsdorfer, Liviu Ungur, Liviu F. Chibotaru, Victoria E. Campbell, Talal Mallah
Deprotonation of the organic ligand of a ten coordinated dysprosium(III) complex exhibiting a slow relaxation of the magnetization leads to a change in the metal local environment and speeds up the relaxation process.
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Aggregation-induced white-light emission from the triple-stranded dinuclear Sm(III) complex

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12228-12235
DOI: 10.1039/C4DT00820K, PaperJiaqi Leng, Hongfeng Li, Peng Chen, Wenbin Sun, Ting Gao, Pengfei Yan
A triple-stranded dinuclear Sm(III) complex based on bis-[small beta]-diketone was synthesized, which shows excitation wavelength and concentration dependent white-light emission.
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Hydration properties determining the reactivity of nitrite in aqueous solution

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12164-12174
DOI: 10.1039/C4DT00273C, PaperSaowapak Vchirawongkwin, Chinapong Kritayakornupong, Anan Tongraar, Viwat Vchirawongkwin
Quantitative analysis of the QMCF MD trajectories requires a rigorous method to organize the chaotic data into informative data, clarifying the anisotropy of the hydration structure around the nitrite ion. These results suggested the steric effects of water in the bond directions.
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An insight into fluorescent transition metal complexes

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01098A, PerspectiveY. Y. Chia, M. G. Tay
Three types of fluorescent emissions were found in the transition metal complexes namely pure fluorescence, thermal activated delayed fluorescence and fluorescence-phosphorescence dual emissions. The characteristics of these fluorescent emissions are reviewed in this perspective.
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Light-induced spin-state switching in the mixed crystal series of the 2D coordination network {[Zn1-xFex(bbtr)3](BF4)2}: optical spectroscopy and cooperative effects

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01728E, PaperAndreas Hauser, Pradip Chakraborty, Cristian Enachescu, Arnaud Humair, Leo Egger, Teresa Delgado, Antoine Tissot, Laure Guenee, Celine Besnard, Robert Bronisz
Depending on the iron(II) concentration, the mixed crystals of {[Zn1-xFex(bbtr)3](BF4)2}[infinity], bbtr = 1,4-di(1,2,3-triazol-1-yl)butane, 0.01 [less-than-or-equal] x [less-than-or-equal] 1, show macroscopic light-induced bistability between the high-spin and the low-spin state. In...
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Mixed-ligand ruthenium polypyridyl complexes as apoptosis inducers in cancer cells, the cellular translocation and the important role of ROS-mediated signaling

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01392A, PaperZhennan Zhao, Zuandi Luo, Qiong Wu, Wen-Jie Zheng, Yanxian Feng, Tianfeng Chen
Ruthenium (Ru) polypyridyl complexes have emerged as leading players among the potential metal-based candidates for cancer treatments. However, the roles of cellular translocation in their action mechanisms remain elusive. Herein...
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Assembly, characterization, and electrochemical properties of immobilized metal bipyridyl complexes on silicon(111) surfaces

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01149J, PaperJudith R. C. Lattimer, James D. Blakemore, Wesley Sattler, Sheraz Gul, Ruchira Chatterjee, Vittal K. Yachandra, Junko Yano, Bruce S. Brunschwig, Nathan S. Lewis, Harry B. Gray
Mixed methyl/bipyridyl-functionalized silicon surfaces have been prepared, and subsequently modified to form metal complexes on the surface.
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A magnetically isolated cuprate spin-ladder system: synthesis, structures, and magnetic properties

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01746C, PaperXiao Zhang, Sadafumi Nishihara, Yuki Nakano, Erina Yoshida, Chisato Kato, Xiao-Ming Ren, Kseniya Yu. Maryunina, Katsuya Inoue
Two magnetically isolated cuprate spin ladders have been synthesized. Their crystal structures and preliminary investigation into the magnetic properties were reported.
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Fabrication of Fe3O4@SiO2@TiO2 nanoparticles supported by graphene oxide sheets for the repeated adsorption and photocatalytic degradation of rhodamine B under UV irradiation

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01702A, PaperFenghua Chen, Fufeng Yan, Qingtao Chen, Yongwei Wang, Lifeng Han, Zhijun Chen, shaoming fang
A quaternary nanocomposite of Fe3O4@SiO2@TiO2/graphene oxide (GO) was first successfully synthesized in this work for the repeated use in simultaneous adsorption and photocatalytic degradation of aromatically structured chemical pollutants. The...
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Investigation of the Formation Process of Zeolite-like 3D Frameworks Constructed with [varepsilon]-Keggin-type Polyoxovanadomolybdates with Binding Bismuth Ions and Preparation of a Nano-crystal.

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01227E, PaperMasahiro Sadakane, Zhenxin Zhang, Toru Murayama, Wataru Ueda
Reaction conditions for synthesis of an [varepsilon]-Keggin-type polyoxometalate-based 3D framework, (NH4)2.8H0.9[[varepsilon]-VMo9.4V2.6O40Bi2][round bullet, filled]7.2H2O (denoted as Mo-V-Bi oxide) are studied. It is found that reaction time, temperature, pH of the solution, and starting...
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Boron-centred soft ligands based on tetrazole units and their complexes with sodium, potassium and bismuth ions

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01931H, PaperNorbert Werner Mitzel, Muhammad Imran, Andreas Mix, Beate Neumann, Georg Stammler, Uwe Monkowius, Petra Bleckenwegner
The syntheses of Na(TttMe) (1), K(TttMe) (2), K(BttMe) (3), and Na(bttPh) (4) are reported, where (TttMe)- and (BttR)- (R = Me, Ph) are tri- and di-substituted boron-centered soft ligands; they...
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Hemi- and holo-directed lead(II) complexes in soft ligand environment

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01406E, PaperNorbert Werner Mitzel, Muhammad Imran, Andreas Mix, Beate Neumann, Georg Stammler, Uwe Monkowius, Petra Grundlinger
To investigate the geometries and stereochemical activity of the lone pair at the lead atom, lead(II) complexes (1 - 10) with one tripodal (L1), one dipodal (L2) boron-centred soft ligand...
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Origin of the n-type behavior in rare earth borocarbide Y1-xB28.5C4

23 July, 2014 - 21:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01303D, PaperTakao Mori, Toshiyuki Nishimura, Walter Schnelle, Ulrich Burkhardt, Yuri Grin
Synthesis conditions, morphology, and thermoelectric properties of Y1-xB28.5C4 were investigated. Y1-xB28.5C4 is the compound with the lowest metal content in a series of homologous rare earth borocarbonitrides, which have been...
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Synthesis and characterisation of first row transition metal complexes of functionalized 1,2,4-benzothiadiazines

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01413H, PaperEwan R. Clark, Muhammad U. Anwar, Bryce J. Leontowicz, Yassine Beldjoudi, John J. Hayward, Wesley T. K. Chan, Emma L. Gavey, Melanie Pilkington, Eli Zysman-Colman, Jeremy M. Rawson
The 3-(2[prime or minute]-pyridyl)-benzo-1,2,4-thiadiazine ligand forms a range of N,N[prime or minute]-chelate complexes with first row transition metal ligands.
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Au nanoparticles in carbon nanotubes with high photocatalytic activity for hydrocarbon selective oxidation

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01077A, PaperJuan Liu, Ruihua Liu, Haitao Li, Weiqian Kong, Hui Huang, Yang Liu, Zhenhui Kang
High conversion efficiency (14.7%) and high selectivity (86.88% for cyclohexanone) catalytic oxidation of cyclohexane under mild conditions is achieved with Au confined in carbon nanotubes.
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Alkaline earth metal-based metal-organic framework: hydrothermal synthesis, X-ray structure and heterogeneously catalyzed Claisen-Schmidt reaction

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00575A, PaperDebraj Saha, Tanmoy Maity, Subratanath Koner
Two alkaline earth metal based carboxylate framework systems, [Mg(HL)(H2O)2]n (1) and [Ca(H2L)2]n (2) (H3L = chelidamic acid) have been hydrothermally synthesized and characterized. Both compound 1 and its dehydrated species heterogeneously catalyze Claisen-Schmidt reaction.
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A series of 3D metal organic frameworks based on [24-MC-6] metallacrown clusters: structure, magnetic and luminescence properties

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01593B, PaperKai Wang, Hua-Hong Zou, Zi-Lu Chen, Zhong Zhang, Wei-Yin Sun, Fu-Pei Liang
Four isostructural MOFs based on [24-MC-6] metallacrown cluster SUBs have been reported. They have a (4,6)-connected 3D frameworks and exhibit interesting magnetic and luminescence properties, as well as magnetocaloric effect.
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DNA/protein interaction and cytotoxic activity of imidazole terpyridine derived Cu(II)/Zn(II) metal complexes

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01378F, PaperV. M. Manikandamathavan, T. Weyhermuller, R. P. Parameswari, M. Sathishkumar, V. Subramanian, Balachandran Unni Nair
Metal centre plays an important role in the mode of DNA binding, cleavage, protein binding and cytotoxicity.
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Sulfonic acid-functionalized silica-coated magnetic nanoparticles as an efficient reusable catalyst for the synthesis of 1-substituted 1H-tetrazoles under solvent-free conditions

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01664E, PaperHossein Naeimi, Samaneh Mohamadabadi
Regarding green chemistry goals, silica-coated magnetite nanoparticles open up a new avenue to introduce a very useful and efficient system for facilitating catalyst recovery in different organic reactions.
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Retention of single crystals of two Co(II) complexes during chemical reactions and rearrangement

23 July, 2014 - 21:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01312C, PaperShaikh M. Mobin, Akbar Mohammad
A facile, two-step SCSC transformations: [1]SO4 (orange) [rightward arrow] 3 (pink) [rightward arrow] [5]SO4 (green) and [2](NO3)2 (orange) [rightward arrow] [4]NO3 (orange).
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