Dalton Transactions

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RSC - Dalton Trans. latest articles
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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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Distinguishable Zn(II) and Pb(II) template effects on forming pendant-armed Schiff-base macrocyclic complexes including a remarkable Pb(II)-[small pi] macrocyclic complex

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15351-15358
DOI: 10.1039/C4DT01927J, PaperKun Zhang, Jiao Geng, Chao Jin, Wei Huang
36-Membered [2 + 2] dinuclear Zn(II) and 18-membered [1 + 1] mononuclear Pb(II) Schiff-base macrocyclic complexes have been described, including a unique intramolecular [small eta]3-coordinated Pb(II)-[small pi] macrocyclic complex obtained under ambient conditions.
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Hunting the human DPP III active conformation: combined thermodynamic and QM/MM calculations

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15503-15514
DOI: 10.1039/C4DT02003K, PaperAntonija Tomic, Sanja Tomic
It was found that the DPP III active conformation is the compact one. The substrate should be able to form the [small beta]-strand secondary structure.
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Helicene-like chiral auxiliaries in asymmetric catalysis

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15263-15278
DOI: 10.1039/C4DT01935K, PerspectiveP. Aillard, A. Voituriez, A. Marinetti
A few recent studies on aza- and phospha-helicenes have highlighted the significant potential of these compounds in enantioselective catalysis as either chiral organocatalysts or ligands.
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Pyrolytic cavitation, selective adsorption and molecular recognition of a porous Eu(III) MOF

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15305-15307
DOI: 10.1039/C4DT01434K, CommunicationWei-Ming Liao, Hua-Tian Shi, Xu-Hua Shi, Ye-Gao Yin
A channel-equipped metal-organic framework, resulting from pyrolysis of [(CH3)2NH2]@[Eu2L3(HCOO)], showed the preferable absorption of CO2 and the Eu(III)-based emission quenched by aromatics.
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L-Selenomethionine reduces platinum(IV) anticancer model compounds at strikingly faster rates than L-methionine

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15328-15336
DOI: 10.1039/C4DT01528B, PaperShuying Huo, Jingran Dong, Shigang Shen, Yanli Ren, Changying Song, Jianzhong Xu, Tiesheng Shi
Reduction of Pt(IV) anticancer model compounds trans-[PtX2(CN)4]2- (X = Cl, Br) with L-selenomethionine proceeds at reaction rates 3.7 [times] 103-5.7 [times] 104 times faster than that with L-methionine.
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Positional isomeric tunable two Co(II) 6-connected 3-D frameworks with pentanuclear to binuclear units: structures, ion-exchange and magnetic properties

6 October, 2014 - 16:17

Dalton Trans., 2014, 43,15450-15456
DOI: 10.1039/C4DT01086H, PaperMin-Le Han, Ya-Ping Duan, Dong-Sheng Li, Hai-Bin Wang, Jun Zhao, Yao-Yu Wang
{[Co5([small mu ]3-OH)2(m-pda)3(bix)4][middle dot]2ClO4}n (1) has the pcu open cationic framework with pentanuclear units while {[Co2(p-pda)2(bix)2(H2O)][middle dot]H2O}n (2) is the first msw framework based on binuclear units.
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Chiral nematic mesoporous films of ZrO2:Eu3+: new luminescent materials

4 October, 2014 - 15:54

Dalton Trans., 2014, 43,15321-15327
DOI: 10.1039/C4DT00662C, PaperGuang Chu, Jing Feng, Yu Wang, Xiao Zhang, Yan Xu, Hongjie Zhang
Free-standing chiral nematic mesoporous films of ZrO2:Eu3+ exhibit tunable optical properties and selective suppression of the spontaneous emission of Eu3+.
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A heterotrimetallic Ir(III), Au(III) and Pt(II) complex incorporating cyclometallating bi- and tridentate ligands: simultaneous emission from different luminescent metal centres leads to broad-band light emission

2 October, 2014 - 15:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02761B, PaperDiego J Cardenas, Elena Bunuel, Rebeca Munoz-Rodriguez, Noelia Fuentes, J A Gareth Williams
Di- and tri-nuclear metal complexes incorporating gold(III), iridium(III) and platinum(II) units linked via a 1,3,5-triethynylbenzene core are reported, together with the corresponding mononuclear complexes as models. The gold(III) and platinum(II)...
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Can the pentamethylcyclopentadienyl ligand act as a proton-relay in f-element chemistry? Insights from a joint experimental/theoretical study.

2 October, 2014 - 15:17
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02387K, PaperChristos E. Kefalidis, Lionel Perrin, Carol Burns, David Berg, Laurent Maron, R Andersen
Isomerisation of buta-1,2-diene to but-2-yne by (Me5C5)2Yb is a thermodynamically favourable reaction, with the [capital Delta]rG[degree] estimated from experimental data at 298 K to be -3.0 kcal mol-1. It proceeds in...
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Ca-Ca interaction in inverse sandwich Ca-C8H8-Ca

30 September, 2014 - 14:54
Dalton Trans., 2014, Accepted Manuscript
DOI: 10.1039/C4DT02282C, PaperNan-nan Liu, Si-meng Gao, yihong ding
The inverse sandwich Ca-C8H8-Ca is predicted to be an open-shell singlet state. Since the C8H8 ligand prevents the spin-up and spin-down electrons of different calcium atoms from forming the Ca-Ca...
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Titanium imido complexes stabilised by bis(iminophosphoranyl)methanide ligands: the influence of N-substituents on solution dynamics and reactivity

30 September, 2014 - 14:54

Dalton Trans., 2014, 43,15098-15110
DOI: 10.1039/C4DT00746H, PaperAdrien T. Normand, Alexandre Massard, Philippe Richard, Coline Canovas, Cedric Balan, Michel Picquet, Audrey Auffrant, Pierre Le Gendre
The synthesis, structural study and assessment in catalytic hydroamination of Ti imido complexes with bis(iminophosphoranyl)methanide ligands are reported.
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