Dalton Transactions

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Fluorescent Au(I)@Ag2/Ag3 giant cluster for selective sensing of mercury(II) ion

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11557-11565
DOI: 10.1039/C4DT01158A, PaperMainak Ganguly, Chanchal Mondal, Jaya Pal, Anjali Pal, Yuchi Negishi, Tarasankar Pal
Selective Hg(II) ion sensing from fluorescence quenching of fluorescent giant clusters along with successive red shifts.
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A new family of Ln7 clusters with an ideal D3h metal-centered trigonal prismatic geometry, and SMM and photoluminescence behaviors

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11456-11460
DOI: 10.1039/C4DT00976B, CommunicationEleni C. Mazarakioti, Katye M. Poole, Luis Cunha-Silva, George Christou, Theocharis C. Stamatatos
A new family of emissive Ln7 clusters with ideal D3h metal-centered trigonal prismatic topology and SMM behavior has been obtained.
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Ligand-coupling assembly of Re(I)-thiolate complexes

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11510-11515
DOI: 10.1039/C4DT00791C, PaperBiing-Chiau Tzeng, An Chao, Manas Banik
Complexes 2 and 4 were synthesized under similar reaction conditions except that different ligands of HNS2 and HNOS, respectively, were used. Two dinuclear structures of 2 and 4 with two similar in situ ligand analogues show distinct conformations, anti and syn forms, respectively.
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One-step fabrication of functionalized magnetic adsorbents with large surface area and their adsorption for dye and heavy metal ions

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11637-11645
DOI: 10.1039/C4DT00694A, PaperJianzhi Wang, Guanghui Zhao, Yanfeng Li, Hao Zhu, Xiaomen Peng, Xian Gao
Functionalized magnetic adsorbents were synthesized by a facile and surfactant-free one-pot solvothermal approach, using iron(III) chloride hexahydrate as precursor, ethylene glycol as reducing agent, ammonium acetate, and EDTA-2Na as electrostatic stabilization agent.
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Controlled synthesis and novel luminescence properties of string SrWO4:Eu3+ nanobeans

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11493-11501
DOI: 10.1039/C4DT00489B, PaperBingyu Xu, Xi Cao, Guofeng Wang, Ying Li, Yuping Wang, Jiamin Su
String SrWO4:Eu3+ nanobeans were prepared by a hydrothermal method. The effects of the initial reactant content on the phase compositions, morphologies, and luminescence properties of SrWO4:Eu3+ were investigated. Multicolor luminescence tuning of SrWO4:Eu3+ was successfully achieved.
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B2O3-added lithium aluminium germanium phosphate solid electrolyte for Li-O2 rechargeable batteries

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11723-11727
DOI: 10.1039/C4DT01144A, PaperHarsharaj S. Jadhav, Ramchandra S. Kalubarme, Seong-Yong Jang, Kyu-Nam Jung, Kyoung-Hee Shin, Chan-Jin Park
B2O3-added Li1.5Al0.5Ge1.5(PO4)3 (LAGP) glass ceramics showing a room temperature ionic conductivity of 0.67 mS cm-1 have been synthesized by using a melt-quenching method.
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Formation of a Eu(III) borate solid species from a weak Eu(III) borate complex in aqueous solution

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11516-11528
DOI: 10.1039/C4DT00843J, PaperJuliane Schott, Jerome Kretzschmar, Margret Acker, Sascha Eidner, Michael U. Kumke, Bjorn Drobot, Astrid Barkleit, Steffen Taut, Vinzenz Brendler, Thorsten Stumpf
Using time-resolved laser-induced fluorescence spectroscopy (TRLFS) the transformation of a dissolved Eu(III) borate species into a solid Eu(III) borate was observed.
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An unusual chiral 3D inorganic connectivity featuring a {Pb18} wheel: rapid and highly selective and sensitive sensing of Co(II)

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11461-11464
DOI: 10.1039/C4DT00905C, CommunicationYun-Hu Han, Chong-Bin Tian, Shao-Wu Du
Two enantiomorphic frameworks featuring a {Pb18} wheel were produced. They exhibit rapid and highly selective and sensitive sensing of Co2+ ions.
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Magnetic anisotropy in a spin 1/2 quasi-one-dimensional antiferromagnetic copper(II) complex CuCl2(pdz) with a staggered g-tensor

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11529-11532
DOI: 10.1039/C4DT00809J, PaperShinya Takaishi, Hiroshi Kitagawa, Hisaaki Tanaka, Shin-ichi Kuroda, Ryuichi Ikeda
We report an unusual magnetic anisotropy in a S = 1/2 1D antiferromagnetic (AF) compound CuCl2(pdz) (pdz = pyridazine).
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The important role of the Mo-Mo quintuple bond in catalytic synthesis of benzene from alkynes. A theoretical study

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11478-11492
DOI: 10.1039/C4DT00595C, PaperYue Chen, Shigeyoshi Sakaki
The reaction mechanism of catalytic synthesis of benzene from alkynes by the Mo-Mo quintuple bond and the electronic structure and bonding nature of dimetallacyclobutadiene and dimetallabenzyne were studied theoretically.
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DFT studies on the mechanism of palladium-catalyzed carbon-silicon cleavage for the synthesis of benzosilole derivatives

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11138-11144
DOI: 10.1039/C3DT53391C, PaperWen-Jie Chen, Zhenyang Lin
DFT calculations have been carried out to study the detailed mechanism of Pd-catalyzed intermolecular coupling reactions of 2-silylaryl bromides with alkynes via selective cleavage of C(sp3)-Si bonds.
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A combined experimental and computational study of fluxional processes in sigma amine-borane complexes of rhodium and iridium

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11118-11128
DOI: 10.1039/C3DT52771A, PaperAndres G. Algarra, Laura J. Sewell, Heather C. Johnson, Stuart A. Macgregor, Andrew S. Weller
A study on the fluxional processes involving the M-H and B-H positions in the sigma amine-borane complexes [M(PCy3)2(H)2([small eta]2-H3B[middle dot]NMe3)][BArF4] (M = Rh, Ir) reveals relative rates for a variety of processes and the role the metal centre plays in influencing them.
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Synergy between experiment and theory

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11092-11092
DOI: 10.1039/C4DT90087A, EditorialEric Clot
Welcome to this issue of Dalton Transactions featuring the themed issue "Synergy between experiment and theory".
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Possible intermediates of Cu(phen)-catalyzed C-O cross-coupling of phenol with an aryl bromide by in situ ESI-MS and EPR studies

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11410-11417
DOI: 10.1039/C4DT00582A, PaperHong-Jie Chen, I-Jui Hsu, Mei-Chun Tseng, Shin-Guang Shyu
Cu(phen) complexes were observed in the copper(I)-catalyzed C-O coupling reaction using K2CO3 as the base and phen as the ligand under the catalytic reaction conditions by in situ electrospray ionization mass spectrometry (ESI-MS) and EPR analysis.
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4-Nitrophenyl- and 4[prime or minute]-nitro-1,1[prime or minute]-biphenyl-4-carboxylates attached to Mo2 quadruple bonds: ground versus excited state M2[small delta]-ligand conjugation

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11397-11403
DOI: 10.1039/C4DT01073F, PaperBrian G. Alberding, Malcolm H. Chisholm, Christopher B. Durr, Judith C. Gallucci, Yagnaseni Ghosh, Thomas F. Spilker
The influence of extended [small pi]-conjugated is probed by the use of p-nitrophenyl substituents.
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Dimethylsilyl bis(amidinate)actinide complexes: synthesis and reactivity towards oxygen containing substrates

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11376-11387
DOI: 10.1039/C4DT01361A, PaperIsabell S. R. Karmel, Tatyana Elkin, Natalia Fridman, Moris S. Eisen
Ligand 1 reacts with ThCl4 and UCl4 yielding complexes 2 and 4, respectively. Complex 3 is obtained from complex 2 displaying extremely short Th-OH bond distances.
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Promising ZnO-based DSSC performance using HMP molecular dyes of high extinction coefficients

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11305-11308
DOI: 10.1039/C4DT01179A, CommunicationT. Ganesh, Hong-Minh Nguyen, Rajaram S. Mane, Nakjoong Kim, Dipak V. Shinde, Sambhaji S. Bhande, Mu. Naushad, K. N. Hui, Sung Hwan Han
Employing newly synthesized di-substituted tri-phenyl amine (HMP-9) and carbazole (HMP-11) dyes, a power conversion efficiency as high as 7.03% in ZnO nanocrystallite-based dye-sensitized solar cells under AM 1.5 G illumination is achieved.
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Highly intense upconversion luminescence in Yb/Er:NaGdF4@NaYF4 core-shell nanocrystals with complete shell enclosure of the core

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11299-11304
DOI: 10.1039/C4DT01237B, CommunicationDaqin Chen, Ping Huang
We demonstrate that the core size has a great impact on the shell completeness of Yb/Er:NaGdF4@NaYF4 core-shell nanocrystals.
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Synthesis and catalytic application of PVP-coated Ru nanoparticles embedded in a porous metal-organic framework

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11295-11298
DOI: 10.1039/C4DT00996G, CommunicationMasaaki Sadakiyo, Masaru Kon-no, Katsutoshi Sato, Katsutoshi Nagaoka, Hidetaka Kasai, Kenichi Kato, Miho Yamauchi
A hybrid catalyst consisting of polymer-coated Ru nanoparticles embedded in a porous metal-organic framework of ZIF-8 exhibits higher catalytic activity and higher CO2 selectivity in a CO oxidation reaction with H2 gas feeds.
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Antiferromagnetic Cu-Gd interactions through an oxime bridge

7 July, 2014 - 17:17

Dalton Trans., 2014, 43,11388-11396
DOI: 10.1039/C4DT01139B, PaperJean-Pierre Costes, Carine Duhayon, Sonia Mallet-Ladeira, Laure Vendier, Javier Garcia-Tojal, Luisa Lopez Banet
The Cu-Gd oximato bridge, which is responsible for the presence of an antiferromagnetic interaction in a trinuclear Cu-Gd-Cu complex, isostructural to the Cu-Tb-Cu one, contrary to what is observed in the magnetic behavior of phenoxo-bridged Cu-Gd complexes.
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