European Journal of Inorganic Chemistry

Cover image for Vol. 2012 Issue 30

October 2012

Volume 2012, Issue 30

Pages 4763–4929

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
    1. You have free access to this content
      Transition-Metal Complexes Containing the Dinucleating Tetra-N-Dentate 3,5-Bis(2-pyridyl)pyrazole (Hbpp) Ligand – A Robust Scaffold for Multiple Applications Including the Catalytic Oxidation of Water to Molecular Oxygen (Eur. J. Inorg. Chem. 30/2012)

      Jordi García-Antón, Roger Bofill, Lluís Escriche, Antoni Llobet and Xavier Sala

      Article first published online: 15 OCT 2012 | DOI: 10.1002/ejic.201290095

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      The cover picture shows the Catalan clown “Tortell Poltrona” (Jaume Mateu) from “Circ Cric” amazingly supporting a vast number of intertwined chairs only with his chin. Every one of these chairs represents one of the multiple applications that transition metal complexes bearing the dinucleating tetra-N-dentate ligand Hbpp have found in the fields of catalysis (epoxidation, hydrogen transfer and water oxidation) and fundamental coordination chemistry (supramolecular chemistry, linkage isomerization and magnetism), which are also strongly intertwined as are Tortell's chairs. Details are presented in the Microreview by A. Llobet, X. Sala, et al. on p. 4775 ff. The picture is a courtesy of Toni Llobet-Nogués.

  2. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
    1. Graphical Abstract: Eur. J. Inorg. Chem. 30/2012 (pages 4763–4768)

      Article first published online: 15 OCT 2012 | DOI: 10.1002/ejic.201290097

  3. News

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

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
    1. 3,5-Bis(2-pyridyl)pyrazole Complexes

      Transition-Metal Complexes Containing the Dinucleating Tetra-N-Dentate 3,5-Bis(2-pyridyl)pyrazole (Hbpp) Ligand – A Robust Scaffold for Multiple Applications Including the Catalytic Oxidation of Water to Molecular Oxygen (pages 4775–4789)

      Jordi García-Antón, Roger Bofill, Lluís Escriche, Antoni Llobet and Xavier Sala

      Article first published online: 19 SEP 2012 | DOI: 10.1002/ejic.201200661

      Thumbnail image of graphical abstract

      A large diversity of transition-metal complexes bearing the dinucleating tetra-N-dentate ligand 3,5-bis(2-pyridyl)pyrazole (Hbpp) is described. Their applications in the field of catalysis as hydrogen-transfer,epoxidation, and water-oxidation catalysts are highlighted. Further, their applications in fundamental coordination chemistry are also discussed.

  5. Short Communications

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
    1. Ge–Ge Bond Formation

      Steric Effect of a Phosphane Ligand on the Equilibrium of Ge–Ge Bond Formation at a Platinum Center (pages 4791–4794)

      Hidekazu Arii, Nakako Watanabe, Kunio Mochida and Takayuki Kawashima

      Article first published online: 11 SEP 2012 | DOI: 10.1002/ejic.201200782

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      Zero-valent platinum complexes with a diphosphane ligand reacted with two molar equivalents of primary germanes to afford bis(germyl)platinum complexes. The chelate ring of the diphosphane ligand regulates a temperature-dependent 1,2-germyl migration for a Ge–Ge bond formation.

    2. Nanoporous Coordination Polymers

      Preparation of Various Prussian Blue Analogue Hollow Nanocubes with Single Crystalline Shells (pages 4795–4799)

      Ming Hu, Nagy L. Torad and Yusuke Yamauchi

      Article first published online: 11 SEP 2012 | DOI: 10.1002/ejic.201200654

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      We report the preparation of monocrystalline Prussian blue (PB) analogue hollow nanocubes by a controlled chemical etching method with assistance of polyvinylpyrrolidone (PVP). The hollow particles obtained perfectly retain the original single-crystalline structures with high surface areas. Our synthetic route is quite simple and can be scaled up for mass production.

  6. Full Papers

    1. Top of page
    2. Cover Picture
    3. Graphical Abstract
    4. News
    5. Microreview
    6. Short Communications
    7. Full Papers
    1. Re-Pterin Complex

      Water-Soluble (Pterin)rhenium(I) Complex: Synthesis, Structural Characterization, and Two Reversible Protonation–Deprotonation Behavior in Aqueous Solutions (pages 4801–4810)

      Fabricio Ragone, Gustavo T. Ruiz, Oscar E. Piro, Gustavo A. Echeverría, Franco M. Cabrerizo, Gabriela Petroselli, Rosa Erra-Balsells, Kenzo Hiraoka, Fernando S. García Einschlag and Ezequiel Wolcan

      Article first published online: 11 SEP 2012 | DOI: 10.1002/ejic.201200681

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      A water-soluble ReI–pterin complex was synthesized and characterized by spectroscopy (1H NMR, FTIR) and mass spectrometry (MALDI, PESI, and ESI). Single crystal X-ray analysis of the complex revealed that strong H bonds between the hydrogen atom of the 2-amino group of the pterin ligand and a crystallization water molecule give rise to a polymeric arrangement in the lattice.

    2. Intermetallic Phases

      Synthesis and Crystallochemical Characterisation of the Intermetallic Phases La(AgxMg1–x)12 (0.11 ≤ x ≤ 0.21), LaAg4+xMg2–x (–0.15 ≤ x ≤ 1.05) and LaAg2+xMg2–x (0 < x ≤ 0.45) (pages 4811–4821)

      Pavlo Solokha, Serena De Negri, Volodymyr Pavlyuk, Adriana Saccone and Giuseppe Fadda

      Article first published online: 11 SEP 2012 | DOI: 10.1002/ejic.201200700

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      The crystal structure along with chemical bonding peculiarities were studied for three new compounds in the La–Ag–Mg ternary system. For all of them, the special role of Ag–Mg interactions within the crystal space is outlined. The latter are manifested in some preferred mixed crystallographic sites. Moreover, in case of the LaAg4+xMg2–x phase this provokes order-disorder transformation.

    3. Lead Complexes

      3-(2-Furyl)-2-sulfanylpropenoic Acid as a Chelating Agent for Lead(II) and Diorganonolead(IV) Compounds – Chemical Behaviour and In Vitro Protective Effect against Dimethyllead(IV) Toxicity (pages 4822–4832)

      José S. Casas, M. Victoria Castaño, Maria D. Couce, Agustín Sánchez, José Sordo, M. D. Torres and Ezequiel M. Vázquez López

      Article first published online: 11 SEP 2012 | DOI: 10.1002/ejic.201200686

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      The chelating ability of the title acid (H2fspa) for lead(II) and diorganollead(IV) cations has been explored. Several complexes were isolated and characterized including the singular Na[PbMe2(OAc)3] and [PbPh2(fspa)(DMSO)]·DMSO derivatives. The nephroprotective effect of H2fspa, with and without B vitamins or [Zn(fspa)2]2–, against PbMe2(NO3)2 toxicity was assayed in vitro.

    4. Redox-Active Ligands

      Redox-Active Guanidine Ligands with Pyridine and p-Benzoquinone Backbones (pages 4833–4845)

      Simone Stang, Anna Lebkücher, Petra Walter, Elisabeth Kaifer and Hans-Jörg Himmel

      Article first published online: 7 SEP 2012 | DOI: 10.1002/ejic.201200679

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      Three new members of the family of redox-active guanidine ligands are presented, and their redox potential as well as aspects of their coordination chemistry studied.

    5. Noninnocent Ligands

      Spectroscopic and Structural Characterization of Noninnocent Mixed-Ligand Oxidovanadium(V) Complexes (pages 4846–4855)

      Mannar R. Maurya, Manisha Bisht, Nikita Chaudhary, Amit Kumar, Fernando Avecilla and João Costa Pessoa

      Article first published online: 31 AUG 2012 | DOI: 10.1002/ejic.201200656

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      The noninnocent behavior of catecholato and benzohydroxamato ligands in mixed-chelate [VVO] complexes and studies of their stability in solution are presented.

    6. Aluminum Cluster Models

      Structures and Stabilities of Small, Ligated AlnLn0/2– and AlnLn+2 Clusters (L = H, Cl) – A Theoretical Study (pages 4856–4866)

      Rémi Marchal, Gabriele Manca, Samia Kahlal, Philippe Carbonnière, Claude Pouchan, Jean-François Halet and Jean-Yves Saillard

      Article first published online: 30 AUG 2012 | DOI: 10.1002/ejic.201200415

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      DFT calculations allow predicting and rationalizing the structure, stability, and skeletal isomerism of ligated Aln (n < 8) clusters. Full agreement is found with the few experimental structures known so far.

    7. Ruthenium Thin Films

      Ruthenocenes and Half-Open Ruthenocenes: Synthesis, Characterization, and Their Use as CVD Precursors for Ruthenium Thin Film Deposition (pages 4867–4876)

      André Tuchscherer, Colin Georgi, Nina Roth, Dieter Schaarschmidt, Tobias Rüffer, Thomas Waechtler, Stefan E. Schulz, Steffen Oswald, Thomas Gessner and Heinrich Lang

      Article first published online: 29 AUG 2012 | DOI: 10.1002/ejic.201200601

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      Ruthenocenes and half-open Ruthenocenes were functionalized with SiMe3 and tBu groups. These compounds possess a high vapor pressure. The deposition by a MOCVD process leads to the formation of ruthenium thin films.

    8. Electronically Tunable Borides

      Competing Electronic and Size Effects When Substituting 3d Elements for Nb in Nb3Ru5B2 En Route to the Quaternary Phases (Nb2–xScx)4gNb2aRu5B2 (1 ≤ x < 2), Nb3–xMxRu5B2 (M = Ti, V; x ≈ 1), and Nb2+xM1–xRu5B2 (M = Cr, Mn, Fe, Co, Ni; 0 < x ≤ 0.5) (pages 4877–4884)

      Martin Hermus and Boniface P. T. Fokwa

      Article first published online: 31 AUG 2012 | DOI: 10.1002/ejic.201200627

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      The substitution of 3d elements for niobium in Nb3Ru5B2 leads to new quaternary phases whose structures are governed by competing size and electronic factors. Stable phases have valence-electron counts, which fall into the pseudo gap of Nb3Ru5B2 (see DOS). The non-bonding area of the Ru–B interaction (see COHP) dictates the stability of these phases.

    9. Porphyrin Frameworks

      Microporous Porphyrin-Based Metal Carboxylate Frameworks with Various Accessible Metal Sites: [Cu2(MDDCPP)] [M = Zn2+, Ni2+, Pd2+, Mn3+(NO3), Ru2+(CO)] (pages 4885–4897)

      Satoshi Matsunaga, Nanako Endo and Wasuke Mori

      Article first published online: 30 AUG 2012 | DOI: 10.1002/ejic.201200635

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      We synthesized a series of porphyrin-based metal carboxylate frameworks, [Cu2(MDDCPP)] (M = Zn2+, Ni2+, Pd2+, Mn3+, Ru2+). The [Cu2(MDDCPP)] complexes have a 3D porous structure with accessible metal sites and are isostructural regardless of the identity of the central metal of the porphyrin. Therefore, a variety of metals can be incorporated into the framework without alteration of the structure.

    10. Earth-Abundant Metal Catalysts

      Alkene Hydrogenation Catalyzed by Nickel Hydride Complexes of an Aliphatic PNP Pincer Ligand (pages 4898–4906)

      Kalyan V. Vasudevan, Brian L. Scott and Susan K. Hanson

      Article first published online: 31 AUG 2012 | DOI: 10.1002/ejic.201200758

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      Cationic and neutral nickel(II) hydride complexes of the aliphatic pincer ligand PNHPCy {PNHPCy = HN[CH2CH2P(Cy)2]2} have been prepared and were found to be active alkene hydrogenation catalysts. Mechanistic experiments suggest that for cationic catalyst 2, hydrogenation may proceed through a pathway involving initial insertion of the alkene into the Ni–H bond.

    11. Ligand Effects

      The First Tetradentate μ-1κ2:2κ2-Sn2Se6 Ligand to a Lanthanide(III) Center: Solvothermal Syntheses and Characterizations of Lanthanide Selenidostannate Polymers with Tetraethylenepentamine as a Second Ligand (pages 4907–4913)

      Weiwei Tang, Ruihong Chen, Wenqing Jiang, Yong Zhang and Dingxian Jia

      Article first published online: 12 SEP 2012 | DOI: 10.1002/ejic.201200649

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      Novel selenidostannate-based lanthanide polymers were prepared by using pentadentate tepa as a second ligand, and the effects of lanthanide contraction and tepa co-ligand on the complexation of the soft-base Sn2Se6 ligand with LnIII centers were determined.

    12. Metal–organic frameworks

      Barium Carboxylate Metal–Organic Framework – Synthesis, X-ray Crystal Structure, Photoluminescence and Catalytic Study (pages 4914–4920)

      Tanmoy Maity, Debraj Saha, Soma Das and Subratanath Koner

      Article first published online: 29 AUG 2012 | DOI: 10.1002/ejic.201200417

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      The aldol condensation reaction of various aromatic aldehydes is catalyzed by a new 3D alkaline earth metal–organic framework (MOF), [Ba(Hdcp)H2O]n (H3dcp = 3,5-pyrazoledicarboxylic acid). It demonstrates excellent catalytic yields with high selectivity in water/THF under heterogeneous conditions. The catalyst can be recycled and reused several times without significant loss of activity.

    13. Copper Clusters

      Facile Self-Assembly Synthesis and Characterization of Diselenophosphinato Octanuclear CuI Clusters Inscribed in a Twelve-Vertex Selenium Polyhedron (pages 4921–4929)

      Ping-Kuei Liao, De-Ren Shi, Jian-Hong Liao, C. W. Liu, Alexander V. Artem'ev, Vladimir A. Kuimov, Nina K. Gusarova and Boris A. Trofimov

      Article first published online: 29 AUG 2012 | DOI: 10.1002/ejic.201200593

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      The first diselenophosphinato octanuclear CuI clusters inscribed in a twelve-vertex selenium polyhedron have been synthesized by exploiting the self-assembly reaction between [Cu(MeCN)4](PF6) and ammoniumdiselenophosphinate, [NH4][Se2P(CH2CH2Ph)2], as well as their interactions in the presence of anion sources, for example, [Cs4(P2Se6)(H2O)4], NaBH4, [Bu4N]Cl, and [Bu4N]Br.

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