Dalton Transactions

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Fabrication of magnetically separable fluorescent terbium-based MOF nanospheres for highly selective trace-level detection of TNT

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3978-3983
DOI: 10.1039/C3DT52777H, PaperJing-Jing Qian, Ling-Guang Qiu, Yi-Min Wang, Yu-Peng Yuan, An-Jian Xie, Yu-Hua Shen
We present here novel kinds of core-shell nanospheres Fe3O4@Tb-BTC which possess both magnetic characteristics and fluorescent properties with high sensitivity for explosives detection.
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A spectroscopic study on the formation of Cm(III) acetate complexes at elevated temperatures

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3958-3965
DOI: 10.1039/C3DT52989D, PaperDaniel R. Frohlich, Andrej Skerencak-Frech, Petra J. Panak
Thermodynamic data (log K0n, [capital Delta]rH0m, [capital Delta]rS0m) for the stepwise formation of [Cm(Ac)n]3-n (n = 1-3) have been determined spectroscopically as a function of temperature (T = 20-90 [degree]C) in various electrolyte solutions (NaClO4, NaCl, CaCl2).
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Development of ruthenium(II) complexes as topical antibiotics against methicillin resistant Staphylococcus aureus

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3949-3957
DOI: 10.1039/C3DT52879K, PaperP.-L. Lam, G.-L. Lu, K.-M. Hon, K.-W. Lee, C.-L. Ho, X. Wang, J. C.-O. Tang, K.-H. Lam, R. S.-M. Wong, S. H.-L. Kok, Z.-X. Bian, H. Li, K. K.-H. Lee, R. Gambari, C.-H. Chui, W.-Y. Wong
Ru(II) complexes containing N-phenyl-substituted diazafluorenes with potential antibacterial activity against methicillin resistant Staphylococcus aureus were synthesized.
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Peptide-based FeS4 complexes: the zinc ribbon fold is unsurpassed to stabilize both the FeII and FeIII states

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3922-3930
DOI: 10.1039/C3DT53157K, PaperAurelie Jacques, Jean-Marc Latour, Olivier Seneque
Three peptides having different folds around a Fe(Cys)4 site were compared, and among them the zinc ribbon fold was found to be the best to stabilize the FeII and FeIII states.
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Substitution versus redox reactions of gold(III) complexes with L-cysteine, L-methionine and glutathione

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3911-3921
DOI: 10.1039/C3DT53140F, PaperMirjana D. Durovic, Zivadin D. Bugarcic, Frank W. Heinemann, Rudi van Eldik
The reactions of [AuCl4]-, [Au(terpy)Cl]2+, [Au(bpma)Cl]2+ and [Au(dien)Cl]2+ with L-cysteine, L-methionine and glutathione were examined using stopped-flow, cyclovoltammetry, 1H NMR and ESI-MS techniques.
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Novel thioarsenates {[Mn(2,2[prime or minute]-bipy)2(SCN)][Mn(2,2[prime or minute]-bipy)](AsVS4)}2 and {[Mn(2,2[prime or minute]-bipy)2(SCN)]2[AsIII2(S2)2S2]}: introducing an anionic second ligand to modify MnII complex cations of 2,2[prime or minute]-bip

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3931-3938
DOI: 10.1039/C3DT53515K, PaperGuang-Ning Liu, Guo-Cong Guo, Ming-Sheng Wang, Jin-Shun Huang
This work demonstrates that introducing an anionic second ligand to modify transition metal complex cations can direct the formation of novel chalcogenidometalates.
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Bidirectional non-innocence of the [small beta]-diketonato ligand 9-oxidophenalenone (L-) in [Ru([9]aneS3)(L)(dmso)]n, [9]aneS3 = 1,4,7-trithiacyclononane

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3939-3948
DOI: 10.1039/C3DT53069H, PaperHemlata Agarwala, Thomas Michael Scherer, Shaikh M. Mobin, Wolfgang Kaim, Goutam Kumar Lahiri
Experimental results along with DFT results reveal that 9-oxidophenalenone (L-) in 1n (n = +3, +2, +, 0, -) is capable of participating in both electron loss and uptake, a situation of bidirectional non-innocence.
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Unprecedented bistability domain and interplay between spin crossover and polymorphism in a mononuclear iron(II) complex

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3906-3910
DOI: 10.1039/C3DT53440E, PaperMark B. Bushuev, Vasiliy A. Daletsky, Denis P. Pishchur, Yuri V. Gatilov, Ilya V. Korolkov, Elena B. Nikolaenkova, Viktor P. Krivopalov
A mononuclear iron(II) complex can be converted into three phases showing different spin crossover regimes. One of these phases shows cooperative spin transition accompanied by a 130 K wide hysteresis loop.
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One-pot synthesis of iron doped mesoporous silica catalyst for propane ammoxidation

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3897-3905
DOI: 10.1039/C3DT52695J, PaperEva Badurova, Katerina Raabova, Roman Bulanek
[Fe]-HMS prepared by one pot synthesis at room temperature was used as a catalyst for the direct ammoxidation of propane.
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Halogen effects on photoluminescence and catalytic properties: a series of spatially arranged trimetallic zinc(II) complexes

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3842-3849
DOI: 10.1039/C3DT53137F, PaperHaeri Lee, Tae Hwan Noh, Ok-Sang Jung
Halogen effects of a unique columnar ensemble of discrete trimetallic zinc(II) complexes formed via [small pi][small pi] interactions and hydrogen-bonds were investigated.
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Determination of chemical affinity of graphene oxide nanosheets with radionuclides investigated by macroscopic, spectroscopic and modeling techniques

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3888-3896
DOI: 10.1039/C3DT52881B, PaperCongcong Ding, Wencai Cheng, Yubing Sun, Xiangke Wang
The chemical affinity of graphene oxide nanosheets with radionuclides (Eu(III) and U(VI)) was determined by macroscopic, spectroscopic and modeling techniques.
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Mesoporous silica nanoparticles with redox-responsive surface linkers for charge-reversible loading and release of short oligonucleotides

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,4115-4126
DOI: 10.1039/C3DT53071J, PaperJixi Zhang, Minna Niemela, Jukka Westermarck, Jessica M. Rosenholm
Redox-responsive charge-reversible surface linkers in mesopores can realize efficient loading and controlled release of short oligonucleotides.
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Ligand-based molecular recognition and dioxygen splitting: an endo epoxide ending

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,4137-4145
DOI: 10.1039/C3DT53495B, PaperPeter E. Sues, Matthew W. Forbes, Alan J. Lough, Robert H. Morris
Dioxygen adds selectively at the cleft created by diphenylphosphide and an unsaturated chelating diphosphine on ruthenium to produce an endo epoxide complex.
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Pillar[5]arene-based diglycolamides for highly efficient separation of americium(III) and europium(III)

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3835-3838
DOI: 10.1039/C3DT53336K, CommunicationLei Wu, Yuyu Fang, Yiming Jia, Yuanyou Yang, Jiali Liao, Ning Liu, Xinshi Yang, Wen Feng, Jialin Ming, Lihua Yuan
Pillar[5]arenes were functionalized with ten diglycolamide (DGA) arms on both sides of the pillar framework and were found to exhibit excellent separation and extraction efficiency towards Am(III) and Eu(III) at high acidity.
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A novel manganese-doped large polyoxotitanate nanocluster

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3839-3841
DOI: 10.1039/C3DT53416B, CommunicationYang Chen, Elzbieta Trzop, Anna Makal, Yu-Sheng Chen, Philip Coppens
The largest manganese-doped polyoxotitanate nanocluster so far, Ti28MnO36(OH)2(OEt)40, is reported. The coordination of the manganese dopant in polyoxotitanate nanoclusters and the impact of manganese doping on the band gap of the clusters are discussed.
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Complexation of metal carbonyl units with [[small alpha]-PW11O39]7- and [[small alpha]2-P2W17O61]10-: insights into the chiral "twisted-sandwich" dimeric structures

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,4040-4047
DOI: 10.1039/C3DT53374C, PaperChongchao Zhao, Elliot N. Glass, Jordan M. Sumliner, John Bacsa, Daniel Taehyun Kim, Weiwei Guo, Craig L. Hill
Capturing [M(CO)3]+ (M = Re, Mn) by [[small alpha]-PW11O39]7- or [[small alpha]2-P2W17O61]10- leads to polyoxometalate-supported metal carbonyl complexes with chiral "twisted-sandwich" structures.
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Pyridine imines as ligands in luminescent iridium complexes

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,4026-4039
DOI: 10.1039/C3DT52975D, PaperDavid L. Davies, Francesco Lelj, Mark P. Lowe, Karl S. Ryder, Kuldip Singh, Shalini Singh
Biscyclometallated iridium complexes [Ir(ppz)2(X^Y)][PF6] (X^Y = pyridine imine) have been synthesised; N-alkyl complexes are emissive whilst N-aryl ones are only weakly emissive, DFT calculations shed light on the reasons for this difference.
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A streamlined synthesis of extended thiophloroglucinol ligands and their trinuclear NiII3 complexes

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,4102-4114
DOI: 10.1039/C3DT53457J, PaperBastian Feldscher, Hubert Theil, Anja Stammler, Hartmut Bogge, Thorsten Glaser
The synthesis of trinucleating C3-symmetric ligands based on the central meta-phenylene bridging unit 1,3,5-trimercaptobenzene (thiophloroglucinol) and their trinuclear NiII3 complexes is presented.
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Bimetallic ruthenium complexes bridged by divinylphenylene bearing oligo(ethylene glycol)methylether: synthesis, (spectro)electrochemistry and the lithium cation effect

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,4093-4101
DOI: 10.1039/C3DT52677A, PaperLi Yan Tian, Yuan Mei Liu, Guang-Xuan Tian, Xiang Hua Wu, Zhen Li, Jun-Feng Kou, Ya-Ping Ou, Sheng Hua Liu, Wen-Fu Fu
A series of 1,4-disubstituted ruthenium-vinyl complexes (E,E)-[{(PMe3)3(CO)ClRu}2([small mu ]-HC[double bond, length as m-dash]CH-Ar-CH[double bond, length as m-dash]CH)] were prepared.
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Chiral [NaMnIIMnIII3] and [Na2MnII2MnIII6] clusters constructed by chiral multidentate Schiff-base ligands: synthesis, structures, CD spectra and magnetic properties

18 February, 2014 - 06:54

Dalton Trans., 2014, 43,3880-3887
DOI: 10.1039/C3DT51874D, PaperYe Song, Guonan Zhang, Xiaoting Qin, Yanfei Gao, Shuai Ding, Yanqin Wang, Chunfang Du, Zhiliang Liu
The structure, enantiomeric nature and magnetic properties of two pairs of novel chiral manganese clusters were investigated.
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