Dalton Transactions

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Phase transitions and interface phenomena in the cryogenic temperature domain of a niobate nanostructured ceramic

1 July, 2014 - 15:54

Dalton Trans., 2014, 43,10983-10998
DOI: 10.1039/C4DT00623B, PaperS. Lanfredi, C. Darie, F. S. Bellucci, C. V. Colin, M. A. L. Nobre
The SEM image of the KSr2Nb5O15 nanoceramic based on grains G1, G2 and G3 (90 to 500 nm) with the plot of the unit cell of KSr2Nb5O15 and the set of equivalent circuits representing the several interfaces of the nanostructured ceramic.
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Synthesis, structure, and peculiar green emission of NaBaBO3:Ce3+ phosphors

1 July, 2014 - 15:54

Dalton Trans., 2014, 43,10969-10976
DOI: 10.1039/C4DT00859F, PaperRuijin Yu, Shengliang Zhong, Na Xue, Hongjuan Li, Hailong Ma
Polycrystalline samples of Ce3+-doped NaBaBO3 (0.5-15 mol%) were prepared by the solid-phase synthesis.
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Manganese-mefenamic acid complexes exhibit high lipoxygenase inhibitory activity

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10930-10939
DOI: 10.1039/C4DT01111B, PaperJie Feng, Xin Du, Hui Liu, Xin Sui, Chen Zhang, Yun Tang, Jingyan Zhang
The coordination of non-steroidal anti-inflammatory drugs (NSAIDs) to metal ions could improve the pharmaceutical efficacy of NSAIDs due to the unique characteristics of metal complexes.
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Synthesis, structural and photo-physical studies of bismuth(III) complexes with Janus scorpionate and co-ligands

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10956-10968
DOI: 10.1039/C4DT00668B, PaperMuhammad Imran, Andreas Mix, Beate Neumann, Hans-Georg Stammler, Uwe Monkowius, Petra Bleckenwegner, Norbert W. Mitzel
Mixed bismuth complexes exhibiting unprecedented (B)HBi interactions and interesting photophysical behaviour are reported.
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Uranyl-oxo coordination directed by non-covalent interactions

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10844-10851
DOI: 10.1039/C4DT00763H, PaperAndrew J. Lewis, Haolin Yin, Patrick J. Carroll, Eric J. Schelter
Directed coordination of weakly Lewis acidic K+ ions to weakly Lewis basic uranyl oxo ligands is accomplished through non-covalent cation-[small pi] and cation-F interactions for the first time.
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Di-, tri- and tetranuclear molecular vanadium phosphonates: a chloride encapsulated tetranuclear bowl

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10898-10909
DOI: 10.1039/C4DT00720D, PaperDipankar Sahoo, Ramakirushnan Suriyanarayanan, Vadapalli Chandrasekhar
Synthesis and characterization of three dinuclear, two dinuclear and one tetranuclear vanadium phosphonates is being reported. These include a chloride encapsulated tetranuclear bowl-shaped complex.
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Highly fluorescent complexes with 3-isocyanoperylene and N-(2,5-di-tert-butylphenyl)-9-isocyano-perylene-3,4-dicarboximide

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10885-10897
DOI: 10.1039/C4DT01016G, PaperS. Lentijo, J. E. Exposito, G. Aullon, J. A. Miguel, P. Espinet
Perylenyl isocyanide metal complexes exhibit a high perylene based fluorescence modified by weak electronic interaction of the metal and the perylene orbitals.
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Hysteretic adsorption of CO2 onto a Cu2(pzdc)2(bpy) porous coordination polymer and concomitant framework distortion

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10877-10884
DOI: 10.1039/C4DT00878B, PaperKarina Riascos-Rodriguez, Aaron J. Schroeder, Michael R. Arend, Paul G. Evans, Arturo J. Hernandez-Maldonado
This study describes the effect of high pressure hysteric CO2 adsorption on the long-range structure of a (Cu2(pzdc)2(bpy) [pzdc = pyrazine-2,3-dicarboxylate, bpy = 4,4[prime or minute]-bipyridine]) via in situ diffraction at 25 [degree]C.
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Metal ions and solvents ratio co-regulate four new magnetic coordination polymers based upon an unsymmetric tricarboxylate acid ligand

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10947-10955
DOI: 10.1039/C4DT00995A, PaperYuan-Pu Li, Ying Chai, Guo-Ping Yang, Hui-Hui Miao, Lin Cui, Yao-Yu Wang, Qi-Zhen Shi
Four new coordination polymers were synthesized based on the rigid linear tricarboxylate under solvothermal conditions. The conformation and the suitable properties were studied during the investigations.
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Differences in the cyclometalation reactivity of bisphosphinimine-supported organo-rare earth complexes

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10739-10750
DOI: 10.1039/C4DT00863D, PaperMatthew T. Zamora, Kevin R. D. Johnson, Mikko M. Hanninen, Paul G. Hayes
A novel yttrium complex [LnY(CH2SiMe3)2] is resistant to cyclometalation, while samarium variants undergo C-H activation, forming unique cyclometalated motifs.
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Preparation of Pt-Tl clusters showing new geometries. X-ray, NMR and luminescence studies

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10828-10843
DOI: 10.1039/C4DT00536H, PaperUrsula Belio, Sara Fuertes, Antonio Martin
Pt(II)-Tl(I) clusters with new triangular geometries have been prepared and characterized. The Pt-Tl distances are among the shortest reported so far, indicating a fairly strong metal-metal bond that remains in solution (NMR).
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Nanostructured manganese oxide/carbon nanotubes, graphene and graphene oxide as water-oxidizing composites in artificial photosynthesis

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10866-10876
DOI: 10.1039/C4DT01295J, PaperMohammad Mahdi Najafpour, Fahime Rahimi, Maryam Fathollahzadeh, Behzad Haghighi, Malgorzata Holynska, Tatsuya Tomo, Suleyman I. Allakhverdiev
Nano-sized Mn oxide/carbon nanostructures as water-oxidizing catalyts are reported.
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Hysteretic behaviour in a vacuum deposited submonolayer of single ion magnets

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10686-10689
DOI: 10.1039/C4DT01005A, CommunicationDavid Klar, Andrea Candini, Loic Joly, Svetlana Klyatskaya, Bernhard Krumme, Philippe Ohresser, Jean-Paul Kappler, Mario Ruben, Heiko Wende
Remanent magnetization of bis(phthalocyaninato) lanthanide complexes sublimated on highly ordered pyrolytic graphite detected by X-ray absorption spectroscopy.
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The role of Bi vacancies in the electrical conduction of BiFeO3: a first-principles approach

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10787-10793
DOI: 10.1039/C4DT00468J, PaperQiang Xu, Mushtaq Sobhan, Qian Yang, Franklin Anariba, Khuong Phuong Ong, Ping Wu
The charge compensation of Bi vacancies is the dominant factor controlling the current leakage.
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Tuning coordination modes of pyridine/thioether Schiff base (NNS) ligands to mononuclear manganese carbonyls

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10725-10738
DOI: 10.1039/C4DT00600C, PaperSimone E. A. Lumsden, Gummadi Durgaprasad, Keren A. Thomas Muthiah, Michael J. Rose
Manganese carbonyls are ligated by pyridine/thioether Schiff base (NNS) ligands. Coordination of the thioether-S donor to the Mn(I) center is determined by subtle steric changes at the ligand periphery.
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Investigation of composition dependent structural and optical properties of the Zn1-xCdxS, coaxial Zn0.99-xCdxCu0.01S/ZnS, Zn0.99-xCdxMn0.01S nanorods generated by a one-step hydrothermal process

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,11019-11026
DOI: 10.1039/C4DT00667D, PaperDonglai Han, Jian Cao, Shuo Yang, Jinghai Yang, Bingji Wang, Lin Fan, Qianyu Liu, Tingting Wang, Haifeng Niu
Doping Cu2+ and Mn2+ ions into Zn1-xCdxS NRs makes the samples exhibit a strong emission at 509.6 and 583 nm.
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Structure-direction in the crystallization of ITW zeolites using 2-ethyl-1,3,4-trimethylimidazolium

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10760-10766
DOI: 10.1039/C4DT00828F, PaperAlex Rojas, Miguel A. Camblor
2-Ethyl-1,3,4-trimethylimidazolium, the fifth and largest imidazolium cation able to produce the pure silica zeolite ITW, affords together with fluoride a significant flexibility enhancement of the SiO2 framework.
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Nanocasted synthesis of ordered mesoporous cerium iron mixed oxide and its excellent performances for As(V) and Cr(VI) removal from aqueous solutions

29 June, 2014 - 15:17

Dalton Trans., 2014, 43,10767-10777
DOI: 10.1039/C4DT01101E, PaperBo Chen, Zhiliang Zhu, Jun Hong, Zhipan Wen, Jie Ma, Yanling Qiu, Junhong Chen
Ordered mesoporous cerium iron mixed oxide shows excellent adsorption performance for As(V) and Cr(VI) in aqueous solutions.
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Isoquinoline-derivatized tris(2-pyridylmethyl)amines as fluorescent zinc sensors with strict Zn2+/Cd2+ selectivity

27 June, 2014 - 14:54

Dalton Trans., 2014, 43,10751-10759
DOI: 10.1039/C4DT01054J, PaperYuji Mikata, Keiko Kawata, Saaya Takeuchi, Kaori Nakanishi, Hideo Konno, Saori Itami, Keiko Yasuda, Satoshi Tamotsu, Shawn C. Burdette
The new fluorescent probe 7-MeO-1-isoBQPA exhibits a highly Zn-specific response, which is applicable in fluorescence microscopic analysis of living cells.
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Shape evolution of Au nanoring@Ag core-shell nanostructures: diversity from a sole seed

27 June, 2014 - 14:54

Dalton Trans., 2014, Advance Article
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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