European Journal of Inorganic Chemistry

Cover image for Vol. 2008 Issue 24

August 2008

Volume 2008, Issue 24

Pages 3739–3888

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
  2. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
  3. News

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
  4. Microreview

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Metal-Ion-Mediated Base Pairs in Nucleic Acids (pages 3749–3763)

      Jens Müller

      Version of Record online: 11 JUL 2008 | DOI: 10.1002/ejic.200800301

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      Nucleic acids can be functionalized site-specifically with metal ions via the incorporation of artificial ligand-based nucleosides. This review summarizes recent efforts in the generation and characterization of the metal-ion-mediated base pairs and suggests potential applications for the resulting metal-modified nucleic acids.

  5. Short Communication

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Deaggregation of Trimethylsilylmethyllithium (pages 3765–3768)

      Tanja Tatic, Holger Ott and Dietmar Stalke

      Version of Record online: 24 JUL 2008 | DOI: 10.1002/ejic.200800610

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      Burning crystals of highly reactive organolithium compounds can be avoided byusing application techniques with inert oil at low temperatures. The first structures of the dimers [(TMEDA)·LiCH2Si(CH3)3]2 and [{(–)-sparteine}·LiCH2Si(CH3)3]2 andthe monomer [(PMDETA)·LiCH2Si(CH3)3] are presented. The reactivity increases along the series from the donor free hexamer to the dimers and culminates at the monomer.

  6. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communication
    7. Full Papers
    1. Synthesis of Single-Crystal Gold Nano- and Microprisms Using a Solvent-Reductant-Template Ionic Liquid (pages 3769–3775)

      Yanan Gao, Andreas Voigt, Min Zhou and Kai Sundmacher

      Version of Record online: 16 JUL 2008 | DOI: 10.1002/ejic.200800467

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      A single-step procedure to obtain variable-sized nano- and microprisms of gold in ionic liquids is presented. Using an ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate (bmimPF6), as a solvent for the Au precursor as well as the reducing reagent for the reaction, one can control the size of the produced gold nanostructures.

    2. Crystal Structures and Magnetic Properties of 2D Supramolecular Architectures Assembled from Benzimidazolecarboxylato-Bridged 1D Double-Stranded Coordinating Chains Featuring Metallomacrocycles as Subunits (pages 3776–3785)

      Shulan Ma, Die Zhang, Song Gao, Yong He, Hui Ma, Chuanmin Qi, Cuihong Fan, Yufeng Chen and Xiaojing Yang

      Version of Record online: 23 JUL 2008 | DOI: 10.1002/ejic.200800375

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      Two novel 2D supramolecular architectures derived from benzimidazolecarboxylato ligands are reported. They contain 1D double-stranded chains with metallomacrocylic subunits and dinuclear MnII subrings bridged by carboxylato units. The carboxylato groups exhibit different bridging modes, and the compounds have distinct magnetic properties.

    3. MCM-41 Derivatised with Pyridyl Groups and Its Use as a Support for Luminescent Europium(III) Complexes (pages 3786–3795)

      Sofia M. Bruno, Ana C. Coelho, Rute A. S. Ferreira, Luís D. Carlos, Martyn Pillinger, Anabela A. Valente, Paulo Ribeiro-Claro and Isabel S. Gonçalves

      Version of Record online: 10 JUL 2008 | DOI: 10.1002/ejic.200800367

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      Functionalisation of the ordered mesoporous silica MCM-41 with pyridyl groups allowed the immobilisation of mixed ligand Ln(nta)3(L′)(L″) lanthanide complexes. Photoluminescence studies of the supported species and the nonsupported Eu(nta)3(L′)2 complexes indicate that the sensitisation of the Eu3+ ions is strongly affected by immobilisation.

    4. Ferromagnetism in CuII4 and CoII4 Complexes Derived from Metal-Assisted Solvolysis of Di-2,6-(2-pyridylcarbonyl)pyridine: Syntheses, Structures, and Magnetic Properties (pages 3796–3801)

      Athanassios K. Boudalis, Catherine P. Raptopoulou, Vassilis Psycharis, Belén Abarca and Rafael Ballesteros

      Version of Record online: 14 JUL 2008 | DOI: 10.1002/ejic.200800400

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      Metal-assisted (MII = CuII, CoII) solvolysis of pyCOpyCOpy in alcohols leads to a CuII4 and a CoII4 ferromagnetic cluster, the ferromagnetism of each being of different origin: in the first case, the poor overlap of magnetic orbitals induced by geometric constrains of the ligand, and in the second, the presence of end-on azido bridges.

    5. Slow Magnetic Relaxation in CoIICuII Coordination Oligomer Built into Mesoporous Material (pages 3802–3808)

      Danielle Cangussu, Wallace C. Nunes, Cynthia L. M. Pereira, Emerson F. Pedroso, Italo O. Mazali, Marcelo Knobel, Oswaldo L. Alves and Humberto O. Stumpf

      Version of Record online: 9 JUL 2008 | DOI: 10.1002/ejic.200800330

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      The incorporation of a CoIICuII chain in porous Vycor glass (PVG) was achieved by reaction in situ, and the magnetic properties indicate a collective spin reversal of the ferrimagnetic chains limited by the nanoporous size, leading to a slow relaxation of the magnetization at low temperatures.

    6. Two Hexanickel-Substituted Keggin-Type Germanotungstates (pages 3809–3819)

      Jun-Wei Zhao, Jie Zhang, You Song, Shou-Tian Zheng and Guo-Yu Yang

      Version of Record online: 10 JUL 2008 | DOI: 10.1002/ejic.200800296

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      Two new inorganic–organic hybrid germanotungstates built from trivacant Keggin fragments and in situ generated hexanickel cluster units were hydrothermally prepared and structurally characterized.

    7. Synthesis, Structure, Spectroscopic Studies and Magnetic Properties of the Tetrakis(5,7-dichloro-8-quinolinolato)gadolinium(III) Complex (pages 3820–3826)

      Flavia Artizzu, Kevin Bernot, Andrea Caneschi, Eugenio Coronado, Juan M. Clemente-Juan, Luciano Marchiò, Maria Laura Mercuri, Luca Pilia, Angela Serpe and Paola Deplano

      Version of Record online: 9 JUL 2008 | DOI: 10.1002/ejic.200800388

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      The characterization of the gadolinium complex with 5,7-dichloro-8-quinolinolato (H5,7ClQ) ligands, [Gd(5,7ClQ)2(H5,7ClQ)2Cl], allows satisfactory interpretation of the properties of this new neutral tetrakis-type compound and points out that extensive π-stacking interactions affect its spectroscopic and magnetic behaviour.

    8. Synthesis of Manganese Oxide Hollow Urchins with a Reactive Template of Carbon Spheres (pages 3827–3832)

      Nan Wang, Yu Gao, Jian Gong, Xinyan Ma, Xiaoli Zhang, Yihang Guo and Lunyu Qu

      Version of Record online: 9 JUL 2008 | DOI: 10.1002/ejic.200800236

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      A novel approach involving the use of carbon spheres as a reactive template to prepare manganese oxide hollow spheres with an urchin-like morphology is presented. The mechanism of formation of theresulting product is investigated. This method opens a way to obtain different morphologies of metal oxides by changing the morphologies of the reactive carbon template.

    9. Cobaltocenium [1,2,5]Thiadiazolo[3,4-c][1,2,5]thiadiazolidyl: Synthesis, Structure, and Magnetic Properties (pages 3833–3838)

      Sergey N. Konchenko, Nina P. Gritsan, Anton V. Lonchakov, Irina G. Irtegova, Ruediger Mews, Victor I. Ovcharenko, Udo Radius and Andrey V. Zibarev

      Version of Record online: 9 JUL 2008 | DOI: 10.1002/ejic.200800390

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      The title radical anion salt was prepared and its structure determined by XRD. Crystal packing of the salt displays a layered structure featuring belts of the radical anions connected by S···N contacts. Magnetic measurements on the salt in the temperature range of 2–300 K reveal antiferromagnetic interactions (J = –4.2  0.7 cm–1). Theoretical calculations suggest that the salt possesses a 2D magnetic structure. Color code: gray = C, violet = Co, light gray = H, blue = N, yellow = S.

    10. Magnetic Coupling and Anisotropy in a Series of Mixed Chain Charge-Transfer Salts [M(Cp*)2][M′(tds)2] (M = Fe, Mn, Cr; M′ = Ni, Pt) (pages 3839–3851)

      Sandra Rabaça, Bruno J. C. Vieira, Rui Meira, Isabel C. Santos, Laura C. J. Pereira, M. Teresa Duarte and Vasco da Gama

      Version of Record online: 10 JUL 2008 | DOI: 10.1002/ejic.200800380

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      The structure of [M(Cp*)2][M′(tds)2] is based on parallel mixed donor–acceptor chains. The behavior of the compounds is dominated by ferromagnetic D–A intrachain coupling. Salts based on stronglyanisotropic donors show phase diagrams with paramagnetic and antiferromagnetic phases, while with isotropic donors, a spin-flop phase is also present.

    11. Checking the Route to Cluster Helicates (pages 3852–3863)

      Manuel R. Bermejo, Ana M. González-Noya, Miguel Martínez-Calvo, Rosa Pedrido, María J. Romero and Miguel Vázquez López

      Version of Record online: 10 JUL 2008 | DOI: 10.1002/ejic.200800477

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      Nine new ZnII, CuI and AgI complexes were prepared from three thiosemicarbazone Schiff base ligands. ZnII generates dihelicates or mesocates, depending on the structure of the ligand. AgI and CuI yield tetranuclear cluster helicates; the general applicability of the synthetic route is thus demonstrated.

    12. Designed Reversible Alkylamine Intercalation–Deintercalation in the Layered Perovskite-Type Oxide KCa2Nb3O10 (pages 3864–3870)

      Chuansheng Sun, Peng Peng, Lirong Zhu, Wenjun Zheng and Yongnan Zhao

      Version of Record online: 11 JUL 2008 | DOI: 10.1002/ejic.200800271

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      Reversibility is manifested for butylamine intercalation–deintercalation in the layered perovskite oxide KCa2Nb3O10. The recycled layered perovskite oxides also maintain their layered structure and original properties. Two types of amine (butylamine and formamide) in the perovskite interlayer spaces can easily be exchanged.

    13. A Mixed-Valence [MnIIMnIIIMnII] Complex of a Linear Phenol–bis(pyrazole) Ligand with an S = 3 Spin Ground State (pages 3871–3876)

      Leoní A. Barrios, Guillem Aromí, Joan Ribas, Jorge Salinas Uber, Olivier Roubeau, Ken Sakai, Shigeyuki Masaoka, Patrick Gamez and Jan Reedijk

      Version of Record online: 11 JUL 2008 | DOI: 10.1002/ejic.200800431

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      A novel phenol–bis(pyrazole) ligand designed to promote chain-like coordination clusters has led to the formation of a mixed-valence triad of Mn ions with formula [Mn3(Hpbpz)2(OAc)3(MeOH)3] (1), exhibiting a rare [MnII–MnIII–MnII] sequence. The complex shows antiferromagnetic coupling and has a spin ground state of ST = 3.

    14. Ferrocenyl-Capped p-Phenylenediamine as a Redox-Switching System (pages 3877–3882)

      Toshiyuki Moriuchi, Yoshihiro Takagi and Toshikazu Hirao

      Version of Record online: 11 JUL 2008 | DOI: 10.1002/ejic.200800072

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      Terminal redox-active ferrocenyl groups were introduced into a p-phenylenediamine bridging spacer to provide a redox-switching system with electronic communication between the ferrocenyl groups through theπ-conjugated bridging spacer. Communication was controlled by the redox interconversion of the p-phenylenediamine spacer.

    15. Sulfur-Assisted Approach for the Low-Temperature Synthesis of β-SiC Nanowires (pages 3883–3888)

      Zhicheng Ju, Zheng Xing, Chunli Guo, Lishan Yang, Liqiang Xu and Yitai Qian

      Version of Record online: 14 JUL 2008 | DOI: 10.1002/ejic.200800198

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      β-SiC nanowires were prepared from Si, Na, and S powders and C2Cl4 by first heating in an autoclave at 130 °C and then by heating a H2SO4 solution at reflux. Microscopy showed that the product is mainly composed of SiC nanowires (over 75%) with an average diameter of ~30 nm and with lengths up to tens of micrometers. If sulfur was absent, β-SiC was only obtained with temperatures >270 °C.

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