Dalton Transactions

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Formation of glutathionyl dinitrosyl iron complexes protects against iron genotoxicity

18 June, 2015 - 09:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00927H, PaperHanna Lewandowska, Jaroslaw Sadlo, Sylwia Meczynska, Tomasz M. Stepkowski, Grzegorz Wojciuk, Marcin Kruszewski
Formation of glutathionyl nitrosyl complexes abolishes the in vitro genotoxic effect of iron ions alone and iron ions in the presence of a naturally abundant antioxidant, GSH.
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Instability of metal 1,3-benzodi(thiophosphinoyl)methandiide complexes: formation of hafnium, tin and zirconium complexes of 1,3-benzodi(thiophosphinoyl)thioketone dianionic ligand [1,3-C6H4(PhPS)2CS]2-

18 June, 2015 - 09:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01212K, PaperYa-Xiu Yang, Yongxin Li, Rakesh Ganguly, Cheuk-Wai So
The reaction illustrates that the metal centre and ligand substituents are crucial for the stabilization of a Cmethandiide[double bond, length as m-dash]Hf bond.
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A flexible zwitterion ligand based lanthanide metal-organic framework for luminescence sensing of metal ions and small molecules

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,10914-10917
DOI: 10.1039/C4DT02445A, CommunicationRong-Mei Wen, Song-De Han, Guo-Jian Ren, Ze Chang, Yun-Wu Li, Xian-He Bu
A new 3D luminescence LnMOF was synthesized using a tripodal flexible zwitterion ligand which takes a chair-shaped configuration. The compound displays highly selective luminescence sensing of the Fe3+ ion and nitrobenzene.
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Zinc metal complex as a sensor for simultaneous detection of fluoride and HSO4- ions

16 June, 2015 - 09:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01063B, PaperJasminder Singh, Manisha Yadav, Ajnesh Singh, Narinder Singh
Organic-Inorganic nanoparticles (ONPs) of a complex formed of a tripodal receptor with a zinc metal ion were used for simultaneous determination of F- and HSO4- ions.
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Facile redox state manipulation in Cu(I) frameworks by utilisation of the redox-active tris(4-(pyridin-4-yl)phenyl)amine ligand

16 June, 2015 - 09:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT01233C, PaperCarol Hua, Peter Turner, Deanna M. D'Alessandro
Two Cu(I) frameworks were synthesised with the NPy3 ligand and Cu(II) salts to yield electroactive Cu(I) frameworks whose spectral properties varied as a function of the redox state.
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Towards a better understanding of honeycomb alternating magnetic networks

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11040-11051
DOI: 10.1039/C5DT00553A, PaperNadia Marino, Donatella Armentano, Giovanni De Munno, Francesc Lloret, Joan Cano, Miguel Julve
The honeycomb mixed-ligand complex {[Co2(bpm)(ox)2]n[middle dot]5nH2O} was prepared and magneto-structurally characterized. The values of the antiferromagnetic interactions through bpm (Jbpm = -5.0 cm-1) and ox (Jox = -11.1 cm-1) ligands obtained by fit were suported by DFT type calculations.
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The effect of gold(I) coordination on the dual fluorescence of 4-(dimethylamino)pyridine

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11029-11039
DOI: 10.1039/C5DT00584A, PaperJose M. Lopez-de-Luzuriaga, Elena Manso, Miguel Monge, M. Elena Olmos, Maria Rodriguez-Castillo, Diego Sampedro
Coordination of 4-(dimethylamino)pyridine to perhalophenyl gold(I) fragments leads to the formation of novel fluorescent complexes, in which the photophysical properties of the ligand are greatly influenced by the polarity induced by the organometallic fragment.
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Direct synthesis of a {CoIII6FeIII6} dodecanuclear complex, revealing an unprecedented molecular structure type

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,10918-10922
DOI: 10.1039/C5DT01149C, CommunicationEduard N. Chygorin, Vladimir N. Kokozay, Irina V. Omelchenko, Oleg V. Shishkin, Jan Titis, Roman Boca, Dmytro S. Nesterov
A heterometallic Co6Fe6 complex has been prepared using the "direct synthesis" approach and characterized by single crystal X-ray diffraction and magnetometry.
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Ligand field influence on the electronic and magnetic properties of quasi-linear two-coordinate iron(II) complexes

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11202-11211
DOI: 10.1039/C5DT01589H, PaperNicholas F. Chilton, Hao Lei, Aimee M. Bryan, Fernande Grandjean, Gary J. Long, Philip P. Power
The magnetic properties and ligand-field effects for quasi-linear iron(II) complexes are explored with the aid of theoretical models.
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Flow-synthesis of carboxylate and phosphonate based metal-organic frameworks under non-solvothermal reaction conditions

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11235-11240
DOI: 10.1039/C5DT01100K, PaperSteve Waitschat, Michael T. Wharmby, Norbert Stock
Development of a flow reactor for facile sub-solvothermal synthesis of MOFs.
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Infrared nonlinear optical properties of lithium-containing diamond-like semiconductors Li2ZnGeSe4 and Li2ZnSnSe4

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11212-11222
DOI: 10.1039/C5DT01635E, PaperJian-Han Zhang, Daniel J. Clark, Jacilynn A. Brant, Charles W. Sinagra, Yong Soo Kim, Joon I. Jang, Jennifer A. Aitken
Two new lithium-containing diamond-like semiconductors were synthesized, and the nonlinear optical properties were studied.
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Biologically active [Pd2L4]4+ quadruply-stranded helicates: stability and cytotoxicity

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11129-11136
DOI: 10.1039/C5DT01259G, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Samantha M. McNeill, Dan Preston, James E. M. Lewis, Anja Robert, Katrin Knerr-Rupp, Danyon O. Graham, James R. Wright, Gregory I. Giles, James D. Crowley
A quadruply-stranded dipalladium(II) helicate exhibits low micromolar IC50 values against a range of different cancer cell lines. Preliminary mechanistic studies indicate that the helicate induces cell death by disrupting the cell membrane.
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Structure and magnetic properties of an unusual homoleptic iron(III) thiocyanate dimer

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11077-11082
DOI: 10.1039/C5DT00743G, PaperD. R. Dinsdale, A. J. Lough, M. T. Lemaire
We describe the structural and variable temperature magnetic susceptibility properties of an unusual homoleptic bimetallic iron(III) thiocyanate tetraanion.
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Isolation of a germanium(II) cation and a germylene iron carbonyl complex utilizing an imidazolin-2-iminato ligand

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,10952-10956
DOI: 10.1039/C5DT01554E, CommunicationTatsumi Ochiai, Daniel Franz, Xiao-Nan Wu, Shigeyoshi Inoue
A novel amino(imino)germylene was synthesised. Its conversion with B(C6F5)3 afforded a cyclic germanium(II) cation in a methyl abstraction and ring closing reaction. The conversion with Fe2(CO)9 furnished a germylene iron carbonyl complex.
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Synthesis and structural characterization of BINOL-modified chiral polyoxometalates

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,10947-10951
DOI: 10.1039/C5DT01338K, CommunicationRyo Ishimoto, Keigo Kamata, Kosuke Suzuki, Kazuya Yamaguchi, Noritaka Mizuno
Chiral ligand-modified polyoxometalates (POMs) R-I and S-I were successfully synthesized by the introduction of BINOL into the dititanium-substituted POM.
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Metal triflate-mediated coupling of allylgermanes with thiols: a facile route to thiogermanes

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,10943-10946
DOI: 10.1039/C5DT01734C, CommunicationK. Kucinski, P. Pawluc, G. Hreczycho
A novel coupling reaction of thiols with (2-methylallyl)germanes catalyzed by metal triflates has been developed.
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CeO2 nanorod/g-C3N4/N-rGO composite: enhanced visible-light-driven photocatalytic performance and the role of N-rGO as electronic transfer media

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11223-11234
DOI: 10.1039/C5DT01479D, PaperLi Wang, Jing Ding, Yuanyuan Chai, Qianqian Liu, Jia Ren, Xin Liu, Wei-Lin Dai
A novel CeO2 nanorod/g-C3N4/N-rGO ternary composite was synthesized using a simple ultrasonic-heat treatment method for application in the photocatalytic degradation of organic pollutants under the irradiation of visible light.
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The relationship between bond ionicity, lattice energy, coefficient of thermal expansion and microwave dielectric properties of Nd(Nb1-xSbx)O4 ceramics

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,10932-10938
DOI: 10.1039/C5DT01343G, CommunicationPing Zhang, Yonggui Zhao, Xiuyu Wang
Bond ionicity, lattice energy, and coefficient of thermal expansion were calculated using a semiempirical method.
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Metallacrowns as products of the aqueous medium self-assembly of histidinehydroxamic acid-containing polypeptides

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11172-11181
DOI: 10.1039/C5DT01267H, PaperMarta Cal, Aleksandra Kotynia, Lukasz Jaremko, Mariusz Jaremko, Marek Lisowski, Malgorzata Cebo, Justyna Brasun, Piotr Stefanowicz
The interactions of peptide hydroxamic acids with Cu2+ ions were characterised revealing the formation of L4Cu5 type complexes. The influence of the peptide length on the metallacrown stability has been determined.
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Dinuclear versus mononuclear pathways in zinc mediated nucleophilic addition: a combined experimental and DFT study

16 June, 2015 - 09:17

Dalton Trans., 2015, 44,11165-11171
DOI: 10.1039/C5DT01366F, PaperXiaotian Qi, Yingzi Li, Guanghui Zhang, Yang Li, Aiwen Lei, Chao Liu, Yu Lan
A combined experimental and DFT study was conducted to reveal the difference between dinuclear and mononuclear zinc mediated nucleophilic addition.
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