Dalton Transactions

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Dihaloborenium cations stabilized by a four-membered N-heterocyclic carbene: electron deficiency compensation by asymmetric structural changes

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15313-15316
DOI: 10.1039/C4DT01210K, CommunicationMadelyn Qin Yi Tay, Balasubramanian Murugesapandian, Yunpeng Lu, Rakesh Ganguly, Kinjo Rei, Dragoslav Vidovic
Coordination of the four membered carbene ligand to electron deficient dihaloborenium moieties has resulted in asymmetric structural changes for the ligand's CN2P cyclic fragment.
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Significantly enhanced dehydrogenation properties of calcium borohydride combined with urea

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15291-15294
DOI: 10.1039/C4DT01355G, CommunicationHailiang Chu, Shujun Qiu, Lin Liu, Yongjin Zou, Cuili Xiang, Huanzhi Zhang, Fen Xu, Lixian Sun, Huaiying Zhou, Guotao Wu
The Ca(BH4)2-4CO(NH2)2 system can release 8 equiv. or 5.2 wt% H2 at 250 [degree]C through a reaction between [BH4] and [NH2].
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New insight into modulated up-conversion luminescent silica nanotubes as efficient adsorbents for colored effluents

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15457-15464
DOI: 10.1039/C4DT01552E, PaperXuejiao Li, Zhiyao Hou, Yang Zhang, Guo Zhang, Jianshe Lian, Jun Lin
Multicolor up-conversion luminescent SNTs were synthesized via electrospinning technique, and their behavior for the removal of colorful dyes was investigated.
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Synthesis and physical properties of layered BaxCoO2

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15414-15418
DOI: 10.1039/C4DT01674B, PaperJinfeng Liu, Xiangyang Huang, Danfeng Yang, Guisheng Xu, Lidong Chen
A layered cobaltite BaxCoO2 (x = 0.19, 0.28, 0.30, 0.33) was synthesized by an ion exchange technique from the layered NaxCoO2 precursors.
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Layered V-B-O polyoxometalate nets linked by diethylenetriamine complexes with dangling amine groups

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15283-15286
DOI: 10.1039/C4DT01533A, CommunicationHong Chen, Yunfeng Zhang, Zheng-Bao Yu, Junliang Sun
Dangling amine groups were found in the diethylenetriamine (DETA) metal complexes, which worked as linkers in the construction of two-dimensional V-B-O polyoxometalate.
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Avoiding problem reactions at the ferrocenyl-alkyne motif: a convenient synthesis of model, redox-active complexes for molecular electronics

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15287-15290
DOI: 10.1039/C4DT02359E, CommunicationMichael S. Inkpen, Andrew J. P. White, Tim Albrecht, Nicholas J. Long
A much improved route to 1,1[prime or minute]-bis(arylethynyl)ferrocenes comprising accessible thiolates on the aryl ring is reported. Unanticipated reactions between AcCl, TBAF-BBr3 and ferrocenyl-alkynes are also discussed, offering a rationale for previous synthetic difficulties.
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Tuning of the dimensional linkage from the complex to the framework by thermal conversion in the system Fe/Cl/piperazine

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15398-15406
DOI: 10.1039/C4DT01987C, PaperF. Schonfeld, R. Wirthensohn, H.-C. Schmitt, P. Constantinidis, I. Fischer, K. Muller-Buschbaum
An attempt to control the three structural features linkage, structural dimensionality and coordination mode is presented for the combination of FeII and FeIII chlorides together with the ditopic ligand piperazine (pipz).
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Loop shaped dicarboxylate-bridged dimolybdenum(II) bisphosphine compounds - a rational synthesis

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15367-15374
DOI: 10.1039/C4DT01560F, PaperDominik Hohne, Eberhardt Herdtweck, Alexander Pothig, Fritz E. Kuhn
Starting from a loop shaped mixed carboxylate/acetonitrile ligated tetrametallic structure three novel bisphosphine-substituted dimolybdenum(II) coordination compounds can be synthesized, maintaining the original structural motif.
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Co-molten solvothermal method for synthesizing chalcopyrite CuFe1-xCrxS2 (x [less-than-or-equal] 0.4): high photocatalytic activity for the reduction of nitrate ions

8 October, 2014 - 16:54

Dalton Trans., 2014, 43,15385-15390
DOI: 10.1039/C4DT02008A, PaperJia Yang, Mufei Yue, Jing Ju, Rihong Cong, Wenliang Gao, Tao Yang
CuFe1-xCrxS2 prepared by a thiourea-oxalic acid co-molten solvothermal method show superior UV-light photocatalytic activities toward nitrate ions reduction.
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Cr1/3Zr2P3O12 with unusual tetrahedral coordination of Cr(III): peculiarities of the formation, thermal stability and application as a pigment

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15439-15449
DOI: 10.1039/C4DT02001D, PaperNataliia Gorodylova, Veronika Kosinova, Petra Sulcova, Petr Belina, Milan Vlcek
New representative of NASICON-related phosphates containing Cr(III) in unusual tetrahedral coordination with oxygen has been obtained and studied as inorganic pigment.
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Electrode reactions of iron oxide-hydroxide colloids

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15407-15413
DOI: 10.1039/C4DT02040E, PaperLeila Mahmoudi, Reinhard Kissner
FeO(OH) colloids adsorb spontaneously on conductors and undergo three subsequent voltammetric reductions.
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New Zn2+ coordination polymers constructed from acylhydrazidate molecules: synthesis and structural characterization

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15617-15627
DOI: 10.1039/C4DT01877J, PaperYan-Ning Wang, Guang-Hua Li, Fu-Quan Bai, Jie-Hui Yu, Ji-Qing Xu
Two types of hydrothermal in situ ligand reactions were employed to obtain three new acylhydrazidate-extended Zn2+ coordination polymers.
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A new family of diamagnetic macrocyclic Fe(II) compounds exhibiting the LIESST effect at high temperatures

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15346-15350
DOI: 10.1039/C4DT01837K, PaperHongfeng Wang, Cedric Desplanches, Philippe Dagault, Jean-Francois Letard
The photomagnetic properties of a new Fe(II) macrocyclic family [Fe(LxyzN5)(CN)2][middle dot]nH2O have been investigated. These compounds are diamagnetic below 400 K and present high T(LIESST) values above 100 K.
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Structural complexity in the rare earth metallocene hydride complexes, [(C5Me5)2LnH]2

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15526-15531
DOI: 10.1039/C4DT02194K, PaperShan-Shan Liu, Song Gao, Joseph W. Ziller, William J. Evans
X-ray crystallographic data on [(C5Me5)2LnH]2 (Ln = Gd, Tb, and Dy) were obtained. Crystals of the two larger metals, Gd and Tb, were isomorphous with crystals of [(C5Me5)2SmH]2. However, with Dy, asymmetric structures with a single hydride bridge, (C5Me5)2Dy([small mu ]-H)DyH(C5Me5)2, were identifiable in two crystalline forms.
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Towards a better understanding of magnetic exchange mediated by hydrogen bonds in Mn(III)/Fe(III) salen-type supramolecular dimers

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15602-15616
DOI: 10.1039/C4DT02025A, PaperIvan Nemec, Radovan Herchel, Tomas Silha, Zdenek Travnicek
Detailed investigations of the magnetic coupling and magnetic anisotropy in a series of Schiff base salen-type Fe(III) and Mn(III) complexes, based on SQUID experiments and DFT calculations, are reported.
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A triple-bridged azido-Cu(II) chain compound fine-tuned by mixed carboxylate/ethanol linkers displays slow-relaxation and ferromagnetic order: synthesis, crystal structure, magnetic properties and DFT calculations

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15359-15366
DOI: 10.1039/C4DT02195A, PaperXiangyu Liu, Sanping Chen, Thais Grancha, Emilio Pardo, Hongshan Ke, Bing Yin, Qing Wei, Gang Xie, Shengli Gao
A triple-bridged azido-Cu(II) compound has been synthesized and magnetically characterized.
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Thermochromism, stability and thermodynamics of cobalt(II) complexes in newly synthesized nitrate based ionic liquid and its photostability

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15515-15525
DOI: 10.1039/C4DT01836B, PaperNemanja Banic, Milan Vranes, Biljana Abramovic, Janos Csanadi, Slobodan Gadzuric
In this work a 1-(2-hydroxyethyl)-3-methylimidazolium nitrate ionic liquid, [HO(CH2)2mim]NO3, has been synthesized in order to serve as a new thermochromic material upon addition of cobalt(II) ions.
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Iron(III) complexes of multidentate pyridinyl ligands: synthesis, characterization and catalysis of the direct hydroxylation of benzene

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15337-15345
DOI: 10.1039/C4DT02032D, PaperBeibei Xu, Wei Zhong, Zhenhong Wei, Hailong Wang, Jian Liu, Li Wu, Yonggang Feng, Xiaoming Liu
Correlation between the electrochemistry and catalytic performance of multidentate pyridinyl iron complexes in the hydroxylation of benzene suggests that more electron-donating ligands are beneficial for catalysis.
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Hydroxymethylpyridine containing half-sandwich complexes of Rh(III), Ir(III) or Ru(II)

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15546-15559
DOI: 10.1039/C4DT02171A, PaperDaniel Carmona, Pilar Lamata, Antonio Sanchez, Pilar Pardo, Ricardo Rodriguez, Paola Ramirez, Fernando J. Lahoz, Pilar Garcia-Orduna, Luis A. Oro
The new chiral complexes containing an M-OH functionality are reported. These compounds are well suited for acting as enantioselective Lewis acid assisted Bronsted-acid catalysts.
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Facile fabrication and enhanced visible light photocatalytic activity of few-layer MoS2 coupled BiOBr microspheres

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15429-15438
DOI: 10.1039/C4DT01652A, PaperJun Di, Jiexiang Xia, Yuping Ge, Li Xu, Hui Xu, Jun Chen, Minqiang He, Huaming Li
Novel sphere-like MoS2/BiOBr composites were prepared by a facile EG-assisted solvothermal process in the presence of the ionic liquid, with few-layer MoS2 cover on the surface of BiOBr microspheres.
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