Dalton Transactions

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Pressure-induced oversaturation and phase transition in zeolitic imidazolate frameworks with remarkable mechanical stability

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT02680B, PaperPu Zhao, Thomas Douglas Bennett, Nicola Casati, Giulio Isacco Lampronti, Stephen Moggach, Simon Redfern
Zeolitic imidazolate frameworks (ZIFs) 7 and 9 are excellent candidates for CO2 adsorption and storage. Here, high-pressure x-ray diffraction is used to further understand their potential in realistic industrial applications....
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Design, optical and antimicrobial properties of extremely thin alumina films colored with silver nanospecies

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03644A, PaperArunas Jagminas, Rokas Zalneravicius, Alfonsas Reza, Algimantas Paskevicius, Ausra Selskiene
In this study, conditions for the fabrication of extremely thin and flexible anodic films decorated with silver nanowire arrays by alternating current treatments for the finishing of high purity and...
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Exploring Excited States of Pt(II) Diimine Catecholates for Photoinduced Charge Separation

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03466J, PaperPaul A. Scattergood, Patricia M Jesus, Milan Delor, Igor V. Sazanovich, H D Burrows, Harry Adams, Carlos Serpa, Julia Weinstein
The intense absorption in the red part of the visible range, and the presence of a lowest charge-transfer excited state, renders Platinum(II) diimine catecholates potentially promising candidates for light-driven applications....
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Vanadyl cationic complexes as catalysts in olefin oxidation

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03174A, PaperCarla Duarte Nunes, Pedro Duarte Vaz, Vitor Felix, Luis F. Veiros, Tania Moniz, Maria Rangel, Sara Realista, Ana Mourato, Maria Jose Calhorda
Three new mononuclear oxovanadium(IV) complexes [VO(acac)(R-BIAN)]Cl (BIAN = 1,2-bis{(R-phenyl)imino}acenaphthene, R = H, 1; CH3, 2; Cl, 3) were prepared and characterized. They promoted the catalytic oxidation of olefins such as...
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Concomitant spin-canted antiferromagnetic ordering and proton conduction in homometallic and homoleptic coordination polymers

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03575E, CommunicationSanjit Konar, Soumyabrata Goswami, Soumava Biswas
Two oxonate based 1D coordination polymers with FeII and CoII forming zig-zag arrangement in solid state are reported. The molecules feature dense and continuous arrangement of non-coordinated H2O molecules in...
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Gold nanoparticles functionalised with fast water exchanging Gd3+ chelates: linker effects on the relaxivity

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03210A, PaperMiguel F. Ferreira, Janaina Goncalves, Bibimaryam Mousavi, Maria I. M. Prata, Sergio P. J. Rodrigues, Daniel Calle, Pilar Lopez-Larrubia, Sebastian Cerdan, Tiago B. Rodrigues, Paula M. Ferreira, Lothar Helm, Jose A. Martins, Carlos F. G. C. Geraldes
Linker length has little effect on the relaxivity of Gd3+ chelates immobilized onto gold nanoparticles.
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Preparation of octahydro- and tetrahydro-[1,10]phenanthroline zirconium and hafnium complexes for olefin polymerization

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03683B, PaperEun Yeong Hwang, Geun Ho Park, Chun Sun Lee, Yi Young Kang, Junseong Lee, Bun Yeoul Lee
A zirconium complex with an unusual binding mode was constructed from octahydro[1,10]phenanthroline, which is a potent catalyst for the production of wax-like low-molecular weight polyethylene (Mn: [similar]5000).
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Np(V) complexation with propionate in 0.5-4 M NaCl solutions at 20-85 [degree]C

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03688C, PaperAleksandr N. Vasiliev, Nidhu L. Banik, Remi Marsac, Daniel R. Froehlich, Jorg Rothe, Stepan N. Kalmykov, Christian M. Marquardt
The present study shows that the stability constant for the formation of the 1 : 1 NpO2+-propionate complex, with log [small beta]0 (25 [degree]C) = 1.26 +/- 0.03, increases with both the ionic strength (0.5 < NaCl < 4.37 m) and temperature (20 < T < 85 [degree]C).
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Heteroleptic Ir(III) complexes based on 2-(2,4-difluorophenyl)-pyridine and bisthienylethene: structures, luminescence and photochromic properties

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03973D, PaperDeng-Ke Cao, Ruo-Hong Wei, Xiao-Xiong Li, Jun-Feng Chen, Mike D Ward
Two bisthienylethenes 2-(2-hydroxyphenyl)-4,5-bis[2,5-dimethyl(3-thienyl)]-1H- imidazole (L1H) and 2-(2-hydroxyphenyl)-4,5-bis(2,5-dimethyl(3-thienyl))-1-phenyl- imidazole (L2H), which have chelating N,O-donor binding site attached to the photochromic core, have been synthesized using a one-pot condensation reaction, and used...
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Designed synthesis of size-tunable Ag2S nanoclusters via distinguishable C-S bond cleavage reaction of alkyl- and aryl-thiolates

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT04021J, CommunicationLiang Zhao, Hang-Qing Chen, Xin He, Hui Guo, Nanyan Fu
We report herein the synthesis of two different silver clusters of aryl- and alkyl-thiolates. These two cluster complexes exhibited biased C-S bond cleavage reaction rates upon removing protective hexamethylazacalix[6]pyridine (Py[6])...
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UV-visible spectroscopy of macrocyclic alkyl, nitrosyl and halide complexes of cobalt and rhodium. Experiment and calculation

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03143A, PaperEmily A. Hull, Aaron C. West, Oleg Pestovsky, Kathleen E. Kristian, Arkady Ellern, James F. Dunne, Jack M. Carraher, Andreja Bakac, Theresa L. Windus
Visible light photolysis of Co(NH3)5CH32+ generates alkyl radicals, unlike the halide complexes Co(NH3)5X2+ which produce halogen anions, X-.
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Selective CO2 gas adsorption in the narrow crystalline cavities of flexible peptide metallo-macrocycles

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03530E, CommunicationRyosuke Miyake, Chika Kuwata, Yui Masumoto
The BF4- salt of peptide Ni(II)-macrocycle demonstrated selective CO2 gas adsorption (ca. 6-7 molecules per macrocycle) into its narrow cavities.
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A new simple Schiff base fluorescent "on" sensor for Al3+ and its living cell imaging

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03932G, PaperDiganta Das, Jutika Kumar, Manas Jyoti Sarma, Prodeep Phukan
Abstract The simple Schiff base (Z)-N-benzylidenenaphthalen-1-amine (L) acts as an effective fluorescent sensor for Al3+ by "off-on" mode and ca. 42 times enhancement in fluorescent intensity is observed. The detection...
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N-Alkylation of Organo-imido Substituted Polyoxometalates: An Efficient Approach for Easy Post-Modification of Polyoxometalates

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03637A, PaperYongge Wei, Rao Naumaan Nasim Khan, Chunlin Lv, Jin Zhang, Jian Hao
An efficient protocol for post-functionalization of organo-imido Polyoxometalates is developed via creating a remote tertiary "N" atom over the surface of organo-imido hexamolybdates and subsequently post-functionalized with the help of...
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Photoelectroactive Ternary Chalcogenido-Indate-Stannates with a Unique 2-D Porous Structure

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03333G, PaperJing Wu, Ya-Yang Pu, Xiao-Wei Zhao, Li-Wen Qian, Guo-Qing Bian, Qin-Yu Zhu, Jie Dai
A lot of ternary In-Sb-Q (Q = S, Se) chalcogenido-metalates with amine or complex cations have been recently reported for their diverse structures, however, such type of In-Sn-Q chalcogenido-metalates has...
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Lanthano phosphomolybdate-decorated silica nanoparticles: novel hybrid materials with photochromic properties

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C5DT00090D, PaperCristina Freire, Clara Pereira, Diana M Fernandes, Manuel Fernando Pereira, Tania Pinto, Alexandra Guedes, Ginesa Blanco, Jose Pintado
Novel photochromic hybrid nanomaterials were prepared through the immobilization of the lacunary Keggin-type phosphomolybdate (TBA4H3[PMo11O39][round bullet, filled]xH2O, denoted as PMo11) and sandwich-type lanthano phosphomolybdates (K11[LnIII(PMo11O39)2][round bullet, filled]xH2O, denoted as Ln(PMo11)2, where LnIII = Sm,...
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Molecular design of cage iron(II) and cobalt(II,III) complexes with a second fluorine-enriched superhydrophobic shell

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03628J, PaperAlexander S. Belov, Genrikh E. Zelinskii, Oleg A. Varzatskii, Irina G. Belaya, Anna V. Vologzhanina, Alexander V. Dolganov, Valentin V. Novikov, Yan Z. Voloshin
Pentafluorophenylboron-capped iron and cobalt(II) hexachloroclathrochelate precursors undergo nucleophilic substitution giving the fluorine-enriched cage complexes.
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Lanthanide single molecule magnets: Progress and perspective

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03329A, FrontierPeng Zhang, Li Zhang, Jinkui Tang
The last few years have seen a huge renaissance in the study of single molecule magnets (SMM) thanks to the extensive applications of lanthanide ions with large inherent anisotropy in...
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Computational insights into the photodeactivation dynamics of phosphors for OLEDs: a perspective

25 January, 2015 - 21:17
Dalton Trans., 2015, Accepted Manuscript
DOI: 10.1039/C4DT03804E, PerspectiveDaniel Escudero, Denis Jacquemin
A detailed molecular-level understanding of both the photoluminescence and electroluminescence properties of transition-metal (TM) complexes used as emitters in organic light-emitting diodes (OLEDs) is vital to pave the way to...
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Tetraguanidino-functionalized phenazine and fluorene dyes: synthesis, optical properties and metal coordination

25 January, 2015 - 21:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C4DT03572K, PaperElvira Bindewald, Roxana Lorenz, Olaf Hubner, Dominik Brox, Dirk-Peter Herten, Elisabeth Kaifer, Hans-Jorg Himmel
Functionalization of phenazine with guanidino groups leads to new highly fluorescent dyes and ligands, and metal coordination is shown to alter significantly the optical properties.
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