Royal Society of Chemistry

Dual luminescence in solid CuI(piperazine): hypothesis of an emissive 1-D delocalized excited state

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT02204E, CommunicationL. Maini, D. Braga, P. P. Mazzeo, L. Maschio, M. Rerat, I. Manet, B. Ventura
Dual luminescence in crystals of [CuI(piperazine)0.5][infinity] has been photophysically characterized and discussed on the basis of TD-DFT theoretical calculations.
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Structural features and near infra-red (NIR) luminescence of isomeric Yb(III) bipyridyl-N,N[prime or minute]-dioxide coordination polymers

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01875G, PaperGail M. Sequeira, Wayne Y. Tan, Evan G. Moore
The synthesis and structural characterization of a series of lanthanide complexes formed from YbX3 salts (X = NO3- or CF3SO3-) and the isomeric 4,4[prime or minute]-bipyridine-N,N[prime or minute]-dioxide (4,4[prime or minute]-bpdo) or 3,3[prime or minute]-bipyridine-N,N[prime or minute]-dioxide (3,3[prime or minute]-bpdo) ligands has been undertaken by X-ray crystallography.
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Pentafluoroethyl-substituted [small alpha]-silanes: model compounds for new insights

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT02010G, PaperBenedikt Waerder, Simon Steinhauer, Julia Bader, Beate Neumann, Hans-Georg Stammler, Yury V. Vishnevskiy, Berthold Hoge, Norbert W. Mitzel
A joint experimental/computational approach addresses the question on occurrence and nature of bonds between Si and N atoms in (C2F5)3Si-X-NMe2 (X = CH2, O).
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Molecular Pac-Man and Tacos: layered Cu(II) cages from ligands with high binding site concentrations

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01463H, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Cecelia McDonald, David W. Williams, Priyanka Comar, Simon J. Coles, Tony D. Keene, Mateusz B. Pitak, Euan K. Brechin, Leigh F. Jones
Sheet Metal: The deliberate in situ Schiff base condensation of two organic subunits (hydroxamic acid and phenolic aldehyde) leads to polydentate ligands capable of forming large Cu(II) cages of nuclearities ranging from [Cu10] to [Cu30].
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Chiral porous metal-organic frameworks containing [small mu ]-oxo-bis[Ti(salan)] units for asymmetric cyanation of aldehydes

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01682G, CommunicationXia Du, Zijian Li, Yan Liu, Shiping Yang, Yong Cui
Two chiral porous metal-organic frameworks containing [small mu ]-oxo-bis[Ti(salan)] dimers are constructed and shown to be efficient and recyclable heterogeneous catalysts for asymmetric cyanation reaction of aldehydes.
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Ternary transition-metal fluoride precursors for the fluorolytic sol-gel route: new insights into speciation and decomposition

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01748C, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.J. Kohl, D. Wiedemann, S. I. Troyanov, E. Palamidis, M. Lerch
After successive, incomplete fluorination, complexes containing the motifs [MFn](3-n)+ (M = V, Mn, Ni; n = 0-4) have been trapped with pyridine and identified using X-ray diffraction.
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Synthesis and characterization of a modified "picket fence" porphyrin complex - stronger [small pi] bonding interactions between Fe(II) and axial ligands

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00941C, PaperBaiyin He, Charles E. Schulz, Jianfeng Li
The synthesis and characterization of [Fe(MbenTpivPP)(1-MeIm)2], a new species among bis(imidazole) iron(II) porphyrinates, is reported. Investigations suggest a strong correlation between mutual ligand orientations ([small theta]) and axial Fe-NIm bond distances.
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Noncovalent interactions determine the conformation of aurophilic complexes with 2-mercapto-4-methyl-5-thiazoleacetic acid ligands

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01627D, PaperMichal Hapka, Maciej Dranka, Katarzyna Orlowska, Grzegorz Chalasinski, Malgorzata M. Szczesniak, Janusz Zachara
The synthesis of three new gold(I) salts is reported. The intermolecular interactions stabilizing the aurophilic dimers are examined by several first principles interpretative techniques.
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Non-nitric oxide based metallovasodilators: synthesis, reactivity and biological studies

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01582K, PaperDenise S. Sa, Andre F. Fernandes, Carlos D. S. Silva, Paula P. C. Costa, Manasses C. Fonteles, Nilberto R. F. Nascimento, Luiz G. F. Lopes, Eduardo H. S. Sousa
There is an increasing number of compounds developed to target one or more pathways involved in vasodilation.
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Aryl-BIAN-ligated silver(I) trifluoromethoxide complex

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT02078F, PaperShouxiong Chen, Yangjie Huang, Xin Fang, Haohong Li, Zhongxing Zhang, T. S. Andy Hor, Zhiqiang Weng
The complex (Aryl-BIAN)AgOCF3 has been synthesised and structurally characterised. The reactivity towards trifluoromethoxylation of benzyl bromides has also been examined.
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Alternative aluminum-based cocatalysts for the iron-catalyzed oligomerization of ethylene

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01367D, CommunicationAdrien Boudier, Pierre-Alain R. Breuil, Lionel Magna, Helene Olivier-Bourbigou, Pierre Braunstein
Multinuclear aluminum cocatalysts have been obtained by the reaction of various phenols, alcohols or diols with trimethylaluminum and were used in situ or as isolated, well-defined species, for the activation of an iron(II) or an iron(III) pre-catalyst for the oligomerization of ethylene.
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Earth abundant element compounds in homogeneous catalysis

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, 44,12027-12028
DOI: 10.1039/C5DT90105G, EditorialLaurel L. Schafer, Philip Mountford, Warren E. Piers
Welcome to this themed issue of Dalton Transactions in the area of earth abundant element (EAE) compounds in homogeneous catalysis.
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A new cube-based dodecanuclear cobalt(II) cluster with azide and tetrazolate ligands exhibiting ferromagnetic ordering

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT02032H, PaperXiu-Mei Zhang, Peng Li, Wei Gao, Jie-Ping Liu, En-Qing Gao
A novel Co12 cluster was composed of three identical Co4 cubane units bridged by [small mu ]6-CO32- and tetrazolate bridges and exhibits long-range ferromagnetic ordering at about 9 K.
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Palladium(0)-mediated C-H bond activation of N-(naphthyl)salicylaldimine and related ligands: utilization of the resulting organopalladium complexes in catalytic C-C and C-N coupling reactions

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01564B, PaperJayita Dutta, Michael G. Richmond, Samaresh Bhattacharya
Aldimine ligands undergo palladium(0) mediated C-H bond activation to afford cyclopalladated complexes, which efficiently catalyze C-C and C-N coupling.
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Spontaneous preparation of hierarchically porous silica monoliths with uniform spherical mesopores confined in a well-defined macroporous framework

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01672J, PaperXingzhong Guo, Rui Wang, Huan Yu, Yang Zhu, Kazuki Nakanishi, Kazuyoshi Kanamori, Hui Yang
Uniform spherical mesopores were successfully prepared by combining polymerization-induced phase separation with an epoxide-mediated sol-gel route.
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New thorium(IV)-arsonates with a [Th8O13]6+ octanuclear core

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01370D, PaperXiang-Ying Qian, Tian-Hua Zhou, Jiang-Gao Mao
Three new Th(IV) organoarsonates have been hydrothermally synthesized. Their structures display 0D, 1D and 2D architectures based on novel [Th8O13]6+ clusters decorated by organoarsonate ligands.
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Protonation effect on ligands in EuL: a luminescent switcher for fast naked-eye detection of HCl

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01791B, PaperJun Zhang, Wen-Bin Yang, Xiao-Yuan Wu, Xiao-Fei Kuang, Can-Zhong Lu
We report a luminescent lanthanide coordination polymer EuL which shows fast turn-off response to HCl vapor. This results from the energy change of the ligand excited state along with the protonation effect which renders the ligands unable to act as efficient antennae for Eu3+ characteristic emission.
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Synthesis, structural, magnetic and phase-transition studies of the ferromagnetic La2CoMnO6 double perovskite by symmetry-adapted modes

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01532D, PaperB. Orayech, I. Urcelay-Olabarria, G. A. Lopez, O. Fabelo, A. Faik, J. M. Igartua
A powdered La2CoMnO6 double perovskite was synthesized by the solid-state reaction method, and its crystal structure and phase-transitions were investigated by (Mode Crystallography) Rietveld analysis using X-ray and neutron diffraction data. Three indistinguishable ferromagnetic models with the space groups P21/n and P2[prime or minute]1/n[prime or minute] are proposed.
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Five water-soluble zwitterionic copper(II)-carboxylate polymers: role of dipyridyl coligands in enhancing the DNA-binding, cleaving and anticancer activities

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01648G, PaperMing Chen, Xiao-Yan Tang, Shui-Ping Yang, Huan-Huan Li, Hai-Qing Zhao, Zhi-Hong Jiang, Jin-Xiang Chen, Wen-Hua Chen
Five water-soluble zwitterionic copper-carboxylate polymers were prepared and their DNA-binding, cleaving and anticancer activities were studied.
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A reversible fluorescent-colorimetric imino-pyridyl bis-Schiff base sensor for expeditious detection of Al3+ and HSO3- in aqueous media

Dalton Transactions - 6 July, 2015 - 14:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01376C, PaperAnupam Ghorai, Jahangir Mondal, Rukmani Chandra, Goutam K. Patra
A reversible fluorescent-colorimetric imino-pyridyl bis-Schiff base receptor (N1E,N4E)-N1,N4-bis(pyridine-4-ylmethylene)benzene-1,4-diamine (L) for easy, convenient, rapid and sensitive detection of both Al3+ and HSO3- in aqueous medium has been developed.
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