European Journal of Inorganic Chemistry

Cover image for Vol. 2013 Issue 35

December 2013

Volume 2013, Issue 35

Pages 5930–6059

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Masthead
    5. Graphical Abstract
    6. News
    7. Further Masthead
    8. Full Papers
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      Dinuclear Species versus Zigzag or Helical Polymers in Palladium, Zinc, and Copper Complexes with Ditopic Bis(pyrazolyl)methane Ligands (Eur. J. Inorg. Chem. 35/2013)

      Gema Durá, M. Carmen Carrión, Félix A. Jalón, Blanca R. Manzano and Ana M. Rodríguez

      Version of Record online: 2 DEC 2013 | DOI: 10.1002/ejic.201390159

      Thumbnail image of graphical abstract

      The cover picture shows an imaginary animal formed by the union of two scorpions without a sting to form Siamese twins. In a surrealistic way, the shadow of this animal represents the scaffold of the set of ligands used in this work. The ligand represented contains a biphenyl moiety with two bis(3,5-dimethylpyrazolyl)methane groups at each end. We propose for these ligands the name “di-scorpions”. As in the animal with two pairs of claws, the pairs of pyrazolyl rings are oriented towards opposite ends of the ligand. This orientation persists in the structures of the resulting complexes after the ligands react with various metallic units. Dinuclear species and zigzag or helical polymers have been obtained. Details are discussed in the article by B. R. Manzano et al. on p. 5943 ff. For more on the story behind the cover research, see the Cover Profile.

  2. Cover Profile

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    3. Cover Profile
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      Dinuclear Species versus Zigzag or Helical Polymers in Palladium, Zinc, and Copper Complexes with Ditopic Bis(pyrazolyl)methane Ligands (page 5930)

      Gema Durá, M. Carmen Carrión, Félix A. Jalón, Blanca R. Manzano and Ana M. Rodríguez

      Version of Record online: 2 DEC 2013 | DOI: 10.1002/ejic.201301441

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      Our group became fascinated by the structural possibilities and the reactivity of ligands known as scorpions and scorpionates...

      Read more about the story behind the cover in the Cover Profile and about the research itself on p. 5943 ff.

  3. Masthead

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  5. News

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  7. Full Papers

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    1. Supramolecular Chemistry

      Dinuclear Species versus Zigzag or Helical Polymers in Palladium, Zinc, and Copper Complexes with Ditopic Bis(pyrazolyl)methane Ligands (pages 5943–5957)

      Gema Durá, M. Carmen Carrión, Félix A. Jalón, Blanca R. Manzano and Ana M. Rodríguez

      Version of Record online: 22 OCT 2013 | DOI: 10.1002/ejic.201300948

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      Four all-nitrogen donor ditopic ligands with bis(pyrazolyl)methane units are synthesized. With palladium or zinc fragments, dinuclear species are obtained, whereas with Cu(OAc)2, zigzag polymers with paddle-wheel units form. Helical racemic polymers are obtained with CuI centres. Noncovalent interactions play an important role in the shape of the molecules and in their supramolecular structures.

    2. Materials Science

      Fabrication of Flowerlike Vaterite Calcium Carbonate Crystal Aggregates by Self-Assembly in Water/Ethanol Mixtures (pages 5958–5963)

      Bao-Guang Mao, De-Qing Chu, Ao-Xuan Wang, Li-Min Wang, Hong-Ming Sun, Zhi-Yu Zhang and Xiao-Zhong Yang

      Version of Record online: 17 OCT 2013 | DOI: 10.1002/ejic.201300892

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      Vaterite crystal aggregates with flowerlike morphology have been successfully synthesized by means of a nanoparticle-mediated self-organization process without using any organic additives.

    3. Germanium Zintl Clusters

      Synthesis and Crystal Structure of a Salt Containing 1{Zn[trans233-Ge9)]}2– Anions: A Polymer with Ge9 Zintl Clusters Bridged by Zn Atoms (pages 5964–5968)

      Christian B. Benda, Raphaela Schäper, Stephan Schulz and Thomas F. Fässler

      Version of Record online: 25 OCT 2013 | DOI: 10.1002/ejic.201301122

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      Crystals of the compound [K(18-crown-6)]2{Zn[trans233-Ge9)]}(en), containing strands of 1{Zn[trans233-Ge9)]}2– units in which Zn atoms connect Ge9 clusters in an η3-fashion, were obtained by the reaction of the binary Zintl phase K4Ge9 with Zn2(Mesnacnac)2 (Mesnacnac = [(2,4,6-Me3C6H2)NC(Me)]2CH) in ethylenediamine (en).

    4. Grafted Gadolinium

      Screening of the Relaxivity of Gadolinium-Loaded Periodic Mesoporous Silica Functionalized by Means of Soft Metalorganic Silylamide Grafting (pages 5969–5979)

      Hjørdis Skår, John G. Seland, Yucang Liang, Nils Å. Frøystein, Karl W. Törnroos and Reiner Anwander

      Version of Record online: 6 NOV 2013 | DOI: 10.1002/ejic.201300756

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      Grafting Gd[N(SiHMe2)2]3(THF)2 onto mesoporous silica gives hybrid materials with interesting 1H relaxometric properties at high field strength. A low GdIII loading and a hydrophilic silica surface are necessary to maintain a high relaxivity.

    5. Supramolecular Complexes

      Three-Dimensional Mercury Pnictide [Hg4Z2]2+ Cationic Frameworks Stabilized by Tetravalent Metal Halide Anions in Supramolecular Complexes: [Hg4Z2][MCl6] (Z = P, As; M = Zr, Hf) (pages 5980–5986)

      Xiao-Guo Li, Xiao-Ming Jiang, Ming-Jian Zhang, Bin-Wen Liu, Yu-Hang Fan, Guo-Cong Guo and Jin-Shun Huang

      Version of Record online: 15 OCT 2013 | DOI: 10.1002/ejic.201300888

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      Four quaternary inorganic supramolecular [Hg4Z2][MCl6] (Z = P, As; M = Zr, Hf) complexes have been prepared by solid-state reactions. They are the first mercury pnictide halides containing d0 transition-metal cations, and their syntheses, crystal and band structures, and optical properties are reported.

    6. Stacking Structures

      Synthesis of Planar Metal Complexes and the Stacking Abilities of Naphthalenediol-Based Acyclic and Macrocyclic Salen-Type Ligands (pages 5987–5998)

      Shigehisa Akine, Zoltan Varadi and Tatsuya Nabeshima

      Version of Record online: 24 OCT 2013 | DOI: 10.1002/ejic.201300917

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      A planar salen-type ligand having a 1,8-naphthalenediol moiety formed planar mononuclear complexes upon the reaction with NiII, CuII or PdII. The NiII and PdII complexes exhibited a parallel stacking structure in the crystalline state. The dinuclear NiII complex having the analogous macrocyclic ligand was highly planar, allowing the formation of a well-organized brick-wall stacking structure.

    7. Luminescence

      Intrinsic Reason for the Morphology Dependence of Luminescent Behavior: A Case Study with GdVO4:Eu3+ Nanocrystals (pages 5999–6008)

      Liusai Yang, Guangshe Li, Minglei Zhao, Jing Zheng, Dong Luo, Yunlong Zheng and Liping Li

      Version of Record online: 5 NOV 2013 | DOI: 10.1002/ejic.201300928

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      Nanostructured GdVO4:Eu3+ particles with different morphologies, including nanorods, nanowafers, nanoparticles, and snowballs are presented for the first time to explore the relationship between surface defects and luminescent emission of GdVO4:Eu3+ nanocrystals.

    8. Lanthanide Borohydrido Complexes

      Lanthanide Borohydrido Complexes Supported by ansa-Bis(amidinato) Ligands with a Rigid o-Phenylene Linker: Effect of Ligand Tailoring on Catalytic Lactide Polymerization (pages 6009–6018)

      Aleksei O. Tolpygin, Grigorii G. Skvortsov, Anton V. Cherkasov, Georgy K. Fukin, Tatyana A. Glukhova and Alexander A. Trifonov

      Version of Record online: 4 NOV 2013 | DOI: 10.1002/ejic.201300931

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      The replacement of two molecules of monodentate thf by one bidentate dme ligand in the coordination sphere of yttrium results in the migration of a borohydrido ligand from an equatorial position to an apical one.

    9. Ferrocene-Based Signaling Receptors

      1-(2-Pyridyl)-3-ferrocenylpyrazoline-Based Multichannel Signaling Receptors for Co2+, Cu2+, and Zn2+ Ions (pages 6019–6027)

      Chakka Kiran Kumar, Rajiv Trivedi, Kanaparthi Ravi Kumar, Lingamallu Giribabu and Balasubramanian Sridhar

      Version of Record online: 29 OCT 2013 | DOI: 10.1002/ejic.201300944

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      A series of three 2-pyridylpyrazoline-based ferrocene derivatives were prepared by a one-pot method and these receptors behaved as selective multi-channel sensors towards Co2+, Cu2+, and Zn2+ ions. The recognition ability and binding assay for these receptors towards these metal ions were explained by redox (DPV) and optical (absorption and emission) studies.

    10. Energetic Oxidizers

      Asymmetric Carbamate Derivatives Containing Secondary Nitramine, 2,2,2-Trinitroethyl, and 2-Fluoro-2,2-dinitroethyl Moieties (pages 6028–6036)

      Bianca Aas, Marcos A. Kettner, Thomas M. Klapötke, Muhamed Sućeska and Christoph Zoller

      Version of Record online: 6 NOV 2013 | DOI: 10.1002/ejic.201301114

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      Two new carbamates and the corresponding nitrocarbamates with 2-nitro-2-azapropyl, 2,2,2-trinitroethyl and 2-fluoro-2,2-dinitroethyl moieties have been synthesized and fully characterized. Owing to their positive oxygen balances, the carbamate derivatives have been evaluated as potential oxidizers in solid rocket propellants and their sensitivities towards mechanical stimuli have been determined.

    11. Iron(II) Complexes

      Iron(II) Complexes Based on π-Conjugated Terpyridine Ligands with Tetrathiafulvalene or Its Radical Analogue (pages 6037–6048)

      Liang Hu, Wei Liu, Cheng-Hui Li, Xin-Hui Zhou and Jing-Lin Zuo

      Version of Record online: 4 NOV 2013 | DOI: 10.1002/ejic.201301151

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      Four interesting iron(II) 4′-tetrathiafulvalene-2,2′:6′,2″-terpyridine (L1) or 6,6″-dimethyl-4′-tetrathiafulvalene-2,2′:6′,2″-terpyridine (L2) complexes and their spectroscopic, electrochemical and conductive properties are described. In the oxidized complex 2, the low-spin FeII ions are coordinated by two TTF radicals. XPS and DFT calculations were also conducted on some of the new compounds.

    12. Trinuclear Complexes

      Trinuclear Diamagnetic Nickel(II) Complexes with Bridging 3-Arylpyrazolato Ligands (pages 6049–6059)

      Kifah S. M. Salih, Susann Bergner, Harald Kelm, Yu Sun, Anneken Grün, Yvonne Schmitt, Roland Schoch, Mark Busch, Naina Deibel, Stefan Bräse, Biprajit Sarkar, Matthias Bauer, Markus Gerhards and Werner R. Thiel

      Version of Record online: 31 OCT 2013 | DOI: 10.1002/ejic.201300925

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      The reactions of Ni(ClO4)2(H2O)6 with 3(5)-arylpyrazoles in the presence of a base lead to pyrazolate-bridged trinuclear nickel(II) complexes. This strategy allows the introduction of a broad variety of aromatic substituents such as redox-active sites or additional phosphine donors in the periphery of the trinuclear core.

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