Dalton Transactions

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Superatoms (Li3O and BeF3) induce phenalenyl radical [small pi]-dimer: fascinating interlayer charge-transfer and large NLO responses

3 August, 2014 - 01:17

Dalton Trans., 2014, 43,12657-12662
DOI: 10.1039/C4DT01240B, PaperSa Chen, Shi-Ling Sun, Heng-Qing Wu, Hong-Liang Xu, Liang Zhao, Zhong-Min Su
The two phenalenyl units in 2a and 2b carry positive and negative charges, respectively. Remarkably, 2a and 2b with novel 2e/12c bonds exhibit a dramatic interlayer charge-transfer character, which results in a significant [capital Delta][small mu ] and considerably large first hyperpolarizabilities.
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Influence of vanadium concentration and temperature on the preparation of electrochromic thin films of ammonium intercalated vanadium(V) oxide xerogel nanoribbons

3 August, 2014 - 01:17

Dalton Trans., 2014, 43,12536-12545
DOI: 10.1039/C3DT53628A, PaperMetodija Najdoski, Violeta Koleva, Aksu Samet
A new and simple chemical method for deposition of thin films of ammonium intercalated V2O5[middle dot]nH2O xerogels has been designed.
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Towards full-color-tunable emission of two component Eu(III)-doped Gd(III) coordination frameworks by the variation of excitation light

1 August, 2014 - 00:54

Dalton Trans., 2014, 43,12574-12581
DOI: 10.1039/C4DT00837E, PaperFengming Zhang, Pengfei Yan, Hongfeng Li, Xiaoyan Zou, Guangfeng Hou, Guangming Li
Eu(III)-doped Gd(III) pyrazine-2,3,5,6-tetracarboxylate alkali-lanthanide metal-organic frameworks (LnMOF) with a unique (411[middle dot]68[middle dot]82)(43[middle dot]62[middle dot]8)(43) topology present full color-tunable luminescence and white emission by the variation of excitation wavelengths.
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A white phosphorescent coordination polymer with Cu2I2 alternating units linked by benzo-18-crown-6

1 August, 2014 - 00:54

Dalton Trans., 2014, 43,12463-12466
DOI: 10.1039/C4DT01070A, CommunicationFengshou Wu, Hongbo Tong, Zaoying Li, Wang Lei, Li Liu, Wai-Yeung Wong, Wai-Kwok Wong, Xunjin Zhu
A 1D polymer of {[K(benzo-18-crown-6)]2(Cu2I4)}n with a Cu2I2 rhombus alternately connected by sandwich-like [K(benzo-18-crown-6)]2 displays direct white light in the solid state.
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Shape evolution of Au nanoring@Ag core-shell nanostructures: diversity from a sole seed

1 August, 2014 - 00:54

Dalton Trans., 2014, 43,12495-12500
DOI: 10.1039/C4DT00992D, PaperJingsong Sun, Jindi Wang, Ying Zhang, Pengbo Wan, Liang Luo, Feng Wang, Xiaoming Sun
Au nanorings were employed as the sole seeds for a series of Au@Ag core-shell nanostructures.
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Novel iodinated carboranes: synthesis of the 8-iodo-7,9-dicarba-nido-undecaborate anion and 2-iodo-1,7-dicarba-closo-dodecaborane

1 August, 2014 - 00:54

Dalton Trans., 2014, 43,12467-12469
DOI: 10.1039/C4DT00764F, CommunicationAlexander V. Safronov, Kuanysh Z. Kabytaev, Satish S. Jalisatgi, M. Frederick Hawthorne
Previously unreported meta-carborane derivatives, TBA[nido-8-I-7,9-C2B9H11] and closo-2-I-1,7-C2B10H11, were prepared in good yields and characterized by a variety of spectroscopic methods.
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Heptanuclear lanthanide [Ln7] clusters: from blue-emitting solution-stable complexes to hybrid clusters

1 August, 2014 - 00:54

Dalton Trans., 2014, 43,12486-12494
DOI: 10.1039/C4DT00701H, PaperAngelos B. Canaj, George K. Tsikalas, Aggelos Philippidis, Apostolos Spyros, Constantinos J. Milios
A family of heptanuclear lanthanide [Ln7] complexes was isolated and fully characterized by magnetic measurements, NMR and absorption-emission spectroscopy.
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UV and visible light active aqueous titanium dioxide colloids stabilized by surfactants

1 August, 2014 - 00:54

Dalton Trans., 2014, 43,12480-12485
DOI: 10.1039/C4DT00285G, PaperMichal Pacia, Piotr Warszynski, Wojciech Macyk
Aqueous colloids of titanium dioxide are stabilized with polyoxyethylenesorbitan monooleate (Tween[registered sign] 80) yielding photocatalytically active, transparent colloidal solutions, stable in a wide range of pH (3-10). Such nanodispersions can be effectively sensitized towards visible light with catechol derivatives.
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A simple and convenient approach for preparing core-shell-like silica@nickel species nanoparticles: highly efficient and stable catalyst for dehydrogenation of 1, 2-cyclohexanediol to catechol

30 July, 2014 - 00:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT01476F, PaperBao-Hui Chen, wei liu, An Li, Ya-Juan Liu, Zi-Sheng Chao
Abstract A simple and convenient approach denoted as gel-deposition-precipitation (G-D-P) for the preparation of core-shell-like silica@nickel species nanoparticles was studied systematically. Core-shell-like silica@nickel species nanoparticle consisted of a Si-rich core...
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Isolation of a uranium(III) benzophenone ketyl radical that displays redox-active ligand behaviour

30 July, 2014 - 00:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01636J, CommunicationEllen M. Matson, John J. Kiernicki, Nickolas H. Anderson, Phillip E. Fanwick, Suzanne C. Bart
The first uranium(III) charge separated ketyl radical complex, Tp*2U(OC[middle dot]Ph2), has been isolated and acts as a potent two-electron reductant with reducing equivalents derived from both uranium and the redox-active benzophenone.
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Copper(I)- and copper(0)-promoted homocoupling and homocoupling-hydrodehalogenation reactions of dihalogenoclathrochelate precursors for C-C conjugated iron(II) bis-cage complexes

30 July, 2014 - 00:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01557F, PaperOleg A. Varzatskii, Sergey V. Shul'ga, Alexander S. Belov, Valentin V. Novikov, Alexander V. Dolganov, Anna V. Vologzhanina, Yan Z. Voloshin
Iron(II) dibromo- and diiodoclathrochelates undergo copper(I)-promoted reductive homocoupling to C-C conjugated dibromo- and diiodo-bis-clathrochelates.
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Specific binding of Zn2+, Cd2+ and Ni2+ ions by a cyclic four-cysteinyl peptide

27 July, 2014 - 23:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01614A, PaperKarolina Krzywoszynska, Henryk Kozlowski
The metal binding abilities of the GCASCDNCRACKK cyclic peptide towards Zn2+, Cd2+ and Ni2+ ions were studied by potentiometric and spectroscopic methods.
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An irresolute linker: separation, and structural and spectroscopic characterization of the two linkage isomers of a Ru(II)-(2-(2[prime or minute]-pyridyl)pyrimidine-4-carboxylic acid) complex

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12160-12163
DOI: 10.1039/C4DT01282H, CommunicationE. Iengo, N. Demitri, G. Balducci, E. Alessio
For the first time the two linkage isomers of a Ru(II) complex with 2-(2[prime or minute]-pyridyl)pyrimidine-4-carboxylic acid (cppH) have been fully characterized individually, both in solution and in the solid state.
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Coordination, microprotonation equilibria and conformational changes of myo-inositol hexakisphosphate with pertinence to its biological function

27 July, 2014 - 23:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01350F, PaperNicolas Veiga, Julia Torres, Israel Macho, Kerman Gomez, Gabriel Gonzalez, Carlos Kremer
This work deals with the study of the inframolecular aspects of InsP6 protonation equilibria and the analysis of the microscopic details of its coordination behaviour towards biologically relevant metal cations.
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Synthesis, crystal structure and magnetic properties of two alternating double [small mu ]1,1 and [small mu ]1,3 azido bridged Cu(II) and Ni(II) chains

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12414-12421
DOI: 10.1039/C4DT00328D, PaperPallab Bhowmik, Saptarshi Biswas, Shouvik Chattopadhyay, Carmen Diaz, Carlos J. Gomez-Garcia, Ashutosh Ghosh
Two new alternating double [small mu ]1,1 and [small mu ]1,3 azido bridged 1D Cu(II) and Ni(II) complexes have been synthesized and their magnetic data were fitted to an alternating ferro/antiferromagnetic chain model.
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Anion templating from a silver(I) dithiophosphate 1D polymer forming discrete cationic and neutral octa- and decanuclear silver(I) clusters

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12380-12389
DOI: 10.1039/C4DT00691G, PaperJian-Hong Liao, Hao-Wei Chang, Yi-Juan Li, Ching-Shiang Fang, Bijay Sarkar, Werner E. van Zyl, C. W. Liu
The polymer [Ag5{S2P(OiPr)2}4]n(PF6)n forms discrete Ag8 and Ag10 clusters with encapsulated anions; the nuclearity depends on the M : L stoichiometric control.
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Photophysical properties of an unusual bichromophoric species constructed from a cyclometalated Pt(II) chromophore and a blue Bodipy-acetylacetonate species

27 July, 2014 - 23:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01127A, PaperFrancesco Nastasi, Fausto Puntoriero, Scolastica Serroni, Sebastiano Campagna, Jean-Hubert Olivier, Raymond Ziessel
Complex 1 exhibits a formally forbidden energy transfer from the metal-based triplet to the fluorescent Bodipy singlet state.
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Effective donor abilities of E-t-Bu and EPh (E = O, S, Se, Te) to a high valent transition metal

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12299-12305
DOI: 10.1039/C4DT01314J, PaperRoss D. Bemowski, Amrendra K. Singh, Bailey J. Bajorek, Yvonne DePorre, Aaron L. Odom
Group-16 ligands were investigated for their donor abilities towards a high valent metal with trends explicable in terms of overlap.
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Photoelectric conversion at a [Ru(bpy)3]2+-based metallic triad anchored on ITO surface

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12156-12159
DOI: 10.1039/C4DT01884B, CommunicationRajaa Farran, Damien Jouvenot, Frederique Loiseau, Jerome Chauvin, Alain Deronzier
A tri-metallic triad was built on ITO by a stepwise procedure, exhibiting photocurrent properties.
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Organometallic benzylidene anilines: donor-acceptor features in NCN-pincer Pt(II) complexes with a 4-(E)-[(4-R-phenyl)imino]methyl substituent

27 July, 2014 - 23:54

Dalton Trans., 2014, 43,12200-12209
DOI: 10.1039/C4DT01023J, PaperGuido D. Batema, Martin Lutz, Anthony L. Spek, Cornelis A. van Walree, Gerard P. M. van Klink, Gerard van Koten
Inductively the Pt-moiety in these organometallic benzylidene anilines is a very strong electron-withdrawing group, but mesomerically a very strong electron-donating group.
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