Dalton Transactions

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Thermoelastic and structural properties of ionically conducting cerate perovskites: (II) SrCeO3 between 1273 K and 1723 K

3 March, 2015 - 07:17

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00041F, PaperKevin S. Knight, Richard Haynes, Nikolaos Bonanos, Feridoon Azough
Thermodynamic gruneisen parameter and bond valence parameters for strontium cerate perovskite.
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Iminoborylene complexes: evaluation of synthetic routes towards BN-allenylidenes and unexpected reactivity towards carbodiimides

1 March, 2015 - 06:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00131E, PaperJ. Niemeyer, M. J. Kelly, I. M. Riddlestone, D. Vidovic, S. Aldridge
The iminoborylene complex [CpFe(PCy3)(CO)(BNCMes2)]+ undergoes M[double bond, length as m-dash]B metathesis reactivity with carbodiimides, resulting in Fe[double bond, length as m-dash]B cleavage and the formation of isonitrile complexes.
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Metallacyclic yttrium alkyl and hydrido complexes: synthesis, structures and catalytic activity in intermolecular olefin hydrophosphination and hydroamination

1 March, 2015 - 06:54

Dalton Trans., 2015, Advance Article
DOI: 10.1039/C5DT00129C, PaperAlexander A. Kissel, Tatyana V. Mahrova, Dmitry M. Lyubov, Anton V. Cherkasov, Georgy K. Fukin, Alexander A. Trifonov, Iker Del Rosal, Laurent Maron
Yttrium complexes - efficient precatalysts for intermolecular olefin hydrophosphination and hydroamination.
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Oxidation of germa- and stanna-closo-dodecaborate

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4726-4731
DOI: 10.1039/C5DT00099H, PaperTorben Gadt, Jorg-Alexander Dimmer, Sebastian Fleischhauer, Anita Frank, Claudia Nickl, Tobias Wutz, Klaus Eichele, Lars Wesemann
Oxidation of group 14 heteroborates [GeB11H11]2- and [SnB11H11]2- yields a symmetrical dimer exhibiting a Ge-Ge bond or an unsymmetrical dimer bearing an Sn-B bond.
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Protonation of bridging sulfur in cubanoid Fe4S4 clusters causes large geometric changes: the theory of geometric and electronic structure.

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4707-4717
DOI: 10.1039/C4DT03681F, PaperIan Dance
Density functional calculations indicate that protonation of a [small mu ]3-S atom in cubanoid clusters [Fe4S4X4]2- leads to a large extension of one Fe-S(H) bond such that the SH ligand is doubly-bridging, [small mu ]-SH.
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Zinc oxide nanocrystal quenching of emission from electron-rich ruthenium-bipyridine complexes

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4630-4639
DOI: 10.1039/C4DT03272A, PaperRyan J. Hue, Rajan Vatassery, Kent R. Mann, Wayne L. Gladfelter
Heteroleptic tris(bipyridine)ruthenium complexes bearing one dicarboxybipyridine ligand bind to dispersed ZnO nanocrystals. Electron releasing amino substituents on the remaining bipyridines raise the excited state potential high enough to allow excited state electron transfer into the ZnO.
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Slow magnetic relaxation and field-induced metamagnetism in nitronyl nitroxide-Dy(III) magnetic chains

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4560-4567
DOI: 10.1039/C4DT01878H, PaperXiufeng Wang, Yungai Li, Peng Hu, Juanjuan Wang, Licun Li
Four new one-dimensional Ln-nitronyl nitroxide complexes have been obtained. The Dy chain exhibits slow magnetic relaxation and three-step metamagnetism.
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Reactions of iodine-nitrene reagents with boranes

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4436-4439
DOI: 10.1039/C5DT00142K, CommunicationShawn Postle, Douglas W. Stephan
Reactions of the boranes (C6F5)2BR (R = C6F5, Ph, H) with the nitrene-iodine reagents XC6H4SO2N[double bond, length as m-dash]IPh, X = Me, Cl and MeSO2N[double bond, length as m-dash]IPh effect the insertion of nitrene into the B-C and B-H bonds affording the species (C6F5)2BN(SO2C6H4X)R (X = Me, R = C6F51, Ph 3, H, 4, X = Cl, 5, X = NO2, 7) and (C6F5)2BN(SO2Me)H 6).
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Synthesis of PEG-supported organotrifluoroborates and their applications in palladium-catalyzed homo-coupling reactions

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4759-4764
DOI: 10.1039/C4DT03492A, PaperLi Yong, Min-Liang Yao, David W. Blevins, George W. Kabalka
A general synthetic route to water-soluble PEG-supported organotrifluoroborates has been developed. In the presence of air and catalytic amounts of Pd(OAc)2, the PEG-supported organotrifluoroborates undergo homo-coupling reactions smoothly at room temperature.
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Organic-inorganic hybrid rare earth complexes based on polymolybdates with intrinsic photosensitive properties

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4679-4682
DOI: 10.1039/C4DT02967D, PaperYuan Wang, Pengtao Ma, Jingyang Niu
A series of organic-inorganic hybrid rare earth complexes based on the {Mo36} isopolyanion have been obtained, and their photosensitive and photoluminescence properties have been investigated.
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Assembly of various degrees of interpenetration of Co-MOFs based on mononuclear or dinuclear cluster units: magnetic properties and gas adsorption

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4751-4758
DOI: 10.1039/C4DT04011B, PaperMeng-Xi Zheng, Xiang-Jing Gao, Chuan-Lei Zhang, Ling Qin, He-Gen Zheng
Mononuclear or dinuclear Co cluster units are interconnected by mixed ligands, resulting in interesting structural diversity and various degrees of interpenetration.
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Tp*Cu(I)-CN-SiL2-NC-Cu(I)Tp* - a hexacoordinate Si-complex as connector for redox active metals via [small pi]-conjugated ligands

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4744-4750
DOI: 10.1039/C4DT03903C, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Alexander Kampfe, Erica Brendler, Edwin Kroke, Jorg Wagler
Hexacoordinate silicon was shown capable of physically and electronically connecting two copper atoms.
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Artificial synthetic MnIVCa-oxido complexes mimic the oxygen-evolving complex in photosystem II

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4431-4435
DOI: 10.1039/C4DT03459G, CommunicationChanghui Chen, Chunxi Zhang, Hongxing Dong, Jingquan Zhao
Artificial synthetic MnIVCa-oxido complexes containing reactive water molecules have been synthesized to mimic the oxygen-evolving center in photosystem II.
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A label-free colorimetric sensor for Pb2+ detection based on the acceleration of gold leaching by graphene oxide

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4623-4629
DOI: 10.1039/C4DT03883E, PaperXinhao Shi, Wei Gu, Cuiling Zhang, Longyun Zhao, Weidong Peng, Yuezhong Xian
In this work, we developed a novel, label-free, colorimetric sensor for Pb2+ detection based on the acceleration of gold leaching by graphene oxide (GO) at room temperature.
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Inserted products of lithium silylquinolylamide dimers [{8-(2-R-C9H5N)N(Me3Si)}Li[middle dot]OEt2]2 (R = H or Me) with dimethylcyanamide and their reactive derivatives with metal halides

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4718-4725
DOI: 10.1039/C4DT03599B, PaperPeng Wang, Haifen Li, Xiaoyan Xue, Xia Chen
Li, Ti, Fe and Co complexes bearing 8-quinolyl-linked guanidinate ligands have been synthesized and characterized. The structures of all complexes show various coordinative modes with the same multi-dentate ligands.
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(1 - x)(K0.48Na0.52)(Nb0.95-y-zTazSby)O3-xBi0.5(Na0.82K0.18)0.5ZrO3 lead-free ceramics: composition dependence of the phase boundaries and electrical properties

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4440-4448
DOI: 10.1039/C4DT04038D, CommunicationXiang Lv, Jiagang Wu, Dingquan Xiao, Hong Tao, Yuan Yuan, Jianguo Zhu, Xiangjian Wang, Xiaojie Lou
In this work, the KNNST-BNKZ-xyz ceramics were obtained, and the composition dependence of their phase structures and electrical properties was discussed.
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Novel photoluminescence properties and enhanced photocatalytic activities for V2O5-loaded ZnO nanorods

1 March, 2015 - 06:54

Dalton Trans., 2015, 44,4671-4678
DOI: 10.1039/C5DT00015G, PaperHaihong Yin, Ke Yu, Jingjing Hu, Changqing Song, Bangjun Guo, Zhiliang Wang, Ziqiang Zhu
V2O5/ZnO heteronanorods were synthesized at different oxidization temperatures, novel PL properties and enhanced photocatalytic activities were investigated, and the influences of the V doping, the defect concentration and the particle crystallinity were discussed.
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Synthesis, structural characterization, electronic spectroscopy, and microfluidic detection of Cu+2 and UO2+2 [di-tert-butyl-salphenazine] complexes

27 February, 2015 - 06:17

Dalton Trans., 2015, 44,4428-4430
DOI: 10.1039/C5DT00106D, CommunicationB. A. Maynard, J. C. Brooks, E. E. Hardy, C. J. Easley, A. E. V. Gorden
Oil and organic phases meet at a T-junction in a droplet microchopper design to form droplets. On the left, projection of the UO2[di-tert-butyl salphenazine] complex.
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2-Adamantylidene and its heavier analogues: hyperconjugation versus lone pair stability and electrophilicity versus nucleophilicity

27 February, 2015 - 06:17

Dalton Trans., 2015, 44,4693-4706
DOI: 10.1039/C4DT03801K, PaperKarikkeeriyil Nijesh, Vallyanga Chalil Rojisha, Susmita De, Pattiyil Parameswaran
Too heavy to bend: The Cieplak-type hyperconjugative interaction mainly contributes to the stability of 2C and 2Si whereas the inertness of lone pairs is the major factor for 2Ge and 2Sn. These molecules (2X; X = C-Sn) can be classified as a class of ambiphilic compounds.
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Lewis acidity enhancement of triarylborane by appended phosphine oxide groups

27 February, 2015 - 06:17

Dalton Trans., 2015, 44,4765-4772
DOI: 10.1039/C5DT00042D, PaperJaewoo Kwak, Nguyen Van Nghia, Junseong Lee, Hyoseok Kim, Myung Hwan Park, Min Hyung Lee
Introduction of a phosphine oxide group into a triarylborane significantly enhances the Lewis acidity of the boron center, the extent of which increases additively with the number of phosphine oxide groups.
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