European Journal of Inorganic Chemistry

Cover image for Vol. 2011 Issue 26

Special Issue: Polar Intermetallics, Clusters and Cluster Complexes (Cluster Issue)

September 2011

Volume 2011, Issue 26

Pages 3817–4108

Issue edited by: Susan Kauzlarich, Gerd Meyer, Ling Chen

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
  2. Editorials

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. Polar Intermetallics, Clusters and Cluster Complexes (Eur. J. Inorg. Chem. 26/2011) (pages 3819–3820)

      Susan Kauzlarich, Gerd Meyer and Ling Chen

      Version of Record online: 6 SEP 2011 | DOI: 10.1002/ejic.201190077

  3. Viewpoint

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. Variety in the Metal–Metal Bond

  4. Back Cover

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. Back Cover: Eur. J. Inorg. Chem. 26/2011

      Version of Record online: 6 SEP 2011 | DOI: 10.1002/ejic.201190078

  5. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. (Eur. J. Inorg. Chem. 26/2011) (pages 3824–3833)

      Version of Record online: 6 SEP 2011 | DOI: 10.1002/ejic.201190079

  6. News

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
  7. Microreviews

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. Metal Anions

      Metal Anions in Metal-Rich Compounds and Polar Intermetallics (pages 3841–3847)

      Myung-Hwan Whangbo, Changhoon Lee and Jürgen Köhler

      Version of Record online: 19 JUL 2011 | DOI: 10.1002/ejic.201100378

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      The electronic structures of metal-rich and intermetallic compounds containing alkali and transition metal anions are briefly reviewed. Transition metal anions exhibit bonding characteristics similar to those found for their main group analogues, because their nd orbitals act as reservoirs for holding ten electrons.

    2. Metal Cluster Chalcohalides

      Low-Dimensional Frameworks in Solid State Chemistry of Mo6 and Re6 Cluster Chalcohalides (pages 3848–3856)

      André Perrin and Christiane Perrin

      Version of Record online: 22 JUL 2011 | DOI: 10.1002/ejic.201100400

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      Mo6 and Re6 cluster chalcohalides built from the nanometric M6L14 building blocks and synthesised by a solid-state route are reviewed and discussed. Access to 1D and 2D M6 cluster frameworks depends on the various cluster units interconnections involving inner and/or apical ligands shared between adjacent units.

    3. Borate Clusters and Frameworks

      Oxo Boron Clusters and Their Open Frameworks (pages 3857–3867)

      Zhi-En Lin and Guo-Yu Yang

      Version of Record online: 1 JUN 2011 | DOI: 10.1002/ejic.201100270

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      Open-framework boron oxides and metal borates can be prepared by the use of oxo boron clusters as building blocks. The synthesis, structures, and optical properties of these compounds are reviewed.

    4. Iron Chalcogenide Superconductors

      Iron-Based Superconductors with Extended FeX4 (X = As and Se) Tetrahedra (pages 3868–3876)

      Ashok K. Ganguli and Jai Prakash

      Version of Record online: 9 AUG 2011 | DOI: 10.1002/ejic.201100371

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      This review focuses on the structural aspects of newly discovered Fe-based pnictide and chalcogenide superconductors containing FeX4 tetrahedra (X = As and Se) and revisits the popular PbFCl, ZrCuSiAs, and ThCr2Si2 structures. The oxypnictide tetrahedra are distorted and extended in an edge-sharing fashion.

  8. Short Communications

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. Polar Intermetallic Nanoparticles

      Solution Chemistry Synthesis of Intermetallic Gold–Lithium Nanoparticles (pages 3877–3880)

      James F. Bondi and Raymond E. Schaak

      Version of Record online: 24 MAY 2011 | DOI: 10.1002/ejic.201100276

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      Colloidal Au nanoparticle seeds react with n-butyllithium to form colloidal nanoparticles of L12-type Au3Li. This compound represents a prototype binary polar intermetallic compound containing a highly electropositive element. Reaction with water decomposes Au3Li, regenerating Au.

    2. Thiometalates

      [Ni(en)3][InSbS4]: A One-Dimensional Polymeric Indium Thioantimonate with a Polar Structure (pages 3881–3885)

      Mei-Ling Feng, Pei-Xin Li, Ke-Zhao Du and Xiao-Ying Huang

      Version of Record online: 19 MAY 2011 | DOI: 10.1002/ejic.201100253

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      A polar indium thioantimonate [Ni(en)3][InSbS4] (1) has been solvothermally synthesized. Its structure features a left-handed helical anionic chain of [InSbS4]n2n built upon trinuclear heterometallic clusters of {In2SbS8} as secondary building units. The thermal stability, optical and ferroelectric properties, as well as theoretical band structure and density of states have been studied.

  9. Full Papers

    1. Top of page
    2. Cover Picture
    3. Editorials
    4. Viewpoint
    5. Back Cover
    6. Graphical Abstract
    7. News
    8. Microreviews
    9. Short Communications
    10. Full Papers
    1. Rare Earth Antimonide Oxycarbides

      Resolving Composition and Structure of RE–Sb–O–C Natural Superlattice Phases (RE = La, Ho) (pages 3887–3895)

      Peng Wang, Scott Forbes, Volodymyr Svitlyk, Ashur Aushana and Yurij Mozharivskyj

      Version of Record online: 2 AUG 2011 | DOI: 10.1002/ejic.201100313

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      A series of RE–Sb–O–C oxycarbides were synthesized. These phases are natural superlattices based on rare earth antimonide and rare earth oxycarbide building blocks. The effects of carbon amount, rare earth metal purity, and annealing temperature on the stability and structure of these phases have been explored.

    2. Rare-Earth Cobalt Gallides

      Rare-Earth Cobalt Gallides RE4Co3Ga16 (RE = Gd–Er, Y): Self-Interstitial Derivatives of RE2CoGa8 (pages 3896–3903)

      Brianna R. Slater, Haiying Bie, Michael W. Gaultois, Stanislav S. Stoyko and Arthur Mar

      Version of Record online: 17 JUN 2011 | DOI: 10.1002/ejic.201100283

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      Co atoms enter available sites at the centres of octahedral Ga6 clusters in the parent RE2CoGa8 structure to form self-interstitial derivatives, RE4Co3Ga16.

    3. Gallium Clusters

      Bell-Like [Ga5] Clusters in Eu3Li5+xGa5–x (x = 0.15) (pages 3904–3908)

      Anatolii Fedorchuk, Yurii Prots, Walter Schnelle and Yuri Grin

      Version of Record online: 9 AUG 2011 | DOI: 10.1002/ejic.201100511

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      A new type of discrete bell-like [Ga5] unit is found in the ternary gallide Eu3Li5+xGa5–x [space group R3m, Pearson symbol hR78, a = 9.4859(5) Å, c = 21.882(2) Å, V = 1705.2(3) Å3]. The crystal structure is represented as [Eu2+]3[Li+]5[(1b)Ga4–]1[(3b)Ga2–]3[(4b)Ga1–]1 (xb = number of bonds, where x = 1–4). The [Gan] clusters (n = 2–6) present in gallium compounds of alkali, alkaline-earth metals or europium are compared.

    4. Lanthanide Polymorphs

      A Tale of Two Polymorphs – Growth and Characterization of α-LnNiGa4 (Ln = Y, Gd–Yb) and β-LnNi1–xGa4 (Ln = Tb–Er) (pages 3909–3919)

      Melissa C. Menard, Brenton L. Drake, Gregory T. McCandless, Kandace R. Thomas, Richard D. Hembree, Neel Haldolaarachchige, John F. DiTusa, David P. Young and Julia Y. Chan

      Version of Record online: 4 JUL 2011 | DOI: 10.1002/ejic.201100289

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      The single crystals of two polymorphs of LnNiGa4 were successfully grown by the flux growth method, namely, orthorhombic α-LnNiGa4 (Ln = Y, Gd–Yb) and, a new polymorph, tetragonal β-LnNi1–xGa4 (Ln = Tb–Er). The physical properties of these polymorphs are reported in this paper.

    5. Intermetallic Structures

      Synthesis and Thermal Stability Studies of CaFe4As3 (pages 3920–3925)

      Tanghong Yi, Adam P. Dioguardi, Peter Klavins, Nicholas J. Curro, Liang L. Zhao, E. Morosan and Susan M. Kauzlarich

      Version of Record online: 10 AUG 2011 | DOI: 10.1002/ejic.201100349

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      A solid-state synthesis method was developed to make phase-pure CaFe4As3. Thermal stability studies were conducted on CaFe4As3 and CaFe2As2 over the 298–1473 K temperature range. Residual Sn on the surface of crystals reacts with crystals above 1173 K. CaFe4As3 decomposes to give CaFe2As2 and Fe2As, and CaFe2As2 forms CaFe4As3 at high temperatures.

      Corrected by:

      Correction: Synthesis and Thermal Stability Studies of CaFe4As3

      Vol. 2011, Issue 32, 5054, Version of Record online: 13 OCT 2011

    6. Magnetic Borides

      Rational Design of Complex Borides – One-Electron-Step Evolution from Soft to Semi-Hard Itinerant Ferromagnets in the New Boride Series Ti2FeRu5–nRhnB2 (1 ≤ n ≤ 5) (pages 3926–3930)

      Boniface P. T. Fokwa, Heiko Lueken and Richard Dronskowski

      Version of Record online: 7 JUN 2011 | DOI: 10.1002/ejic.201100315

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      Chemically tuning the valence electrons (VE) of the boride series Ti2FeRu5–nRhnB2 between 67 and 63 induces the evolution from soft (67 VE, Hc = 0.9 kA/m) to semi-hard (63 VE, Hc = 23.9 kA/m) itinerantferromagnets. A section of the crystal structure (middle of the picture) shows the Fe–Fe interactions, which are mainly responsible for the ferromagnetic ordering observed at high temperatures.

    7. Sc/Mg Alloys

      Mg1–yScyZn2: Limited Sc/Mg Alloying between Laves Phase MgZn2 and ScZn2 – What Drives ScZn2 into a High-Pressure Phase? (pages 3931–3935)

      Wenliang Wang, Guihuan Chen, Yixiu Wang and Qisheng Lin

      Version of Record online: 22 JUN 2011 | DOI: 10.1002/ejic.201100319

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      Alloys between two isostructural binary phases do not always form solid solutions in the whole composition range, as observed for the pseudo-binary compound Mg1–yZnyZn2 that exhibits anisotropic lattice parameter changes as a response to Sc/Mg alloying. The Zn–Zn antibonding states at the Fermi energy appear to be the major driving force for the stabilization of the ScZn2 Laves phase at high pressure.

    8. Structural Chemistry

      Mg11Cu6Al12, A New Link in the Structural Chemistry of MgCu2-Type Clusters (pages 3936–3949)

      Veronica M. Berns, Timothy E. Stacey, Michael Sapiro and Daniel C. Fredrickson

      Version of Record online: 17 JUN 2011 | DOI: 10.1002/ejic.201100335

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      A supercell with a (90°) twist! The substitution of magnesium with copper atoms in Mg17Al12 creates a 2 × 2 × 2 supercell adopted by Mg11Cu6Al12, in which half of the MgCu2-type clusters of the former are rotated by 90°. Relating the structures ofthese phases to the simple, ubiquitous Laves phases through structural and quantum mechanical analysis leads to an explanation of the driving force for this structural transformation, and shows that complex structures can have simple origins.

    9. Heusler Compounds

      Quaternary Heusler Compounds without Inversion Symmetry: CoFe1+xTi1–xAl and CoMn1+xV1–xAl (pages 3950–3954)

      Lubna Basit, Gerhard H. Fecher, Stanislav Chadov, Benjamin Balke and Claudia Felser

      Version of Record online: 21 JUL 2011 | DOI: 10.1002/ejic.201100002

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      We report the quaternary Heusler compound derivatives CoFe1+xTi1–xAl and CoMn1+xV1–xAl without centers of inversion. They were synthesized and their structure and magnetic properties investigated. CoMn1+xV1–xAl (x > 0) is a half-metallic ferrimagnet with its magnetic ground state controlled by the strong localized moment at the Mn atoms replacing V.

    10. Giant Magnetic Intermetallics

      Magnetism in Giant Unit Cells – Crystal Structure and Magnetic Properties of R117Co52+δSn112+γ (R = Sm, Tb, Dy) (pages 3955–3962)

      Kirill Kovnir and Michael Shatruk

      Version of Record online: 24 MAY 2011 | DOI: 10.1002/ejic.201100200

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      Compounds R117Co52+δSn112+γ exhibit a complex crystal structure with more than 1100 atoms in the unit cell. The structure can be deconvoluted into nested polyhedra that consist of shells of different polarity. Magnetic ordering of the rare-earth sublattice strongly depends on the nature of the R3+ ion, while the Co sublattice appears to be nonmagnetic.

    11. Magnetic Intermetallic Materials

      Crystal Structure and Properties of Yb5Ni4Ge10 (pages 3963–3968)

      Sebastian C. Peter, Sudhindra Rayaprol, Melanie C. Francisco and Mercouri G. Kanatzidis

      Version of Record online: 6 JUN 2011 | DOI: 10.1002/ejic.201100350

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      The new intermetallic compound Yb5Ni4Ge10 was obtained as single crystals in high yield from reactions run in liquid indium. Yb5Ni4Ge10 crystallizes in the Sc5Co4Si10 structure type in the tetragonal space group P4/mbm. Yb5Ni4Ge10 crystals show paramagnetic behavior with a lack of long-range magnetic ordering down to 2 K. The compound exhibits non-Fermi-liquid-like behavior at low temperatures.

    12. Semiconducting Antiferromagnet

      Crystal Structure, Charge Transport, and Magnetic Properties of MnSb2Se4 (pages 3969–3977)

      Honore Djieutedjeu, Julien P. A. Makongo, Aurelian Rotaru, Andriy Palasyuk, Nathan J. Takas, Xiaoyuan Zhou, Kulugammana G. S. Ranmohotti, Leonard Spinu, Ctirad Uher and Pierre F. P. Poudeu

      Version of Record online: 22 AUG 2011 | DOI: 10.1002/ejic.201100364

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      The monoclinic MnSb2Se4 phase is a narrow-gap p-type semiconductor that features isolated quasi-one-dimensional chains of edge-sharing {Mn}Se6 octahedra that run along [010]. Direct current (DC) and alternating current (AC) magnetic-susceptibility measurements strongly suggest that MnSb2Se4 is not an ordinary antiferromagnet. The magnetism within individual chains in MnSb2Se4 is rather controlled by competing interactions.

    13. Polar Intermetallic Compounds

      Syntheses, Structure, Physical Properties, and Electronic Structures of DyCuxAl12–x (4.0 ≤ x ≤ 6.0) (pages 3978–3983)

      Hua Lin, Wei-Zhao Cai, Yong-Fang Shi and Ling Chen

      Version of Record online: 10 AUG 2011 | DOI: 10.1002/ejic.201100367

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      DyCuxAl12–x (4.0 ≤ x ≤ 6.0) features a 3D condensed network of Dy-centered, 20 vertex [Al4Cu8M8] polyhedra, in which Cu/Al disorder has been observed on the M sites. The metallic electrical conductivities decrease as x increases following the decreasing trend of the densities of states at the Fermi level.

    14. Three-Dimensional Anodes

      Effect of Electrode Dimensionality and Morphology on the Performance of Cu2Sb Thin Film Electrodes for Lithium-Ion Batteries (pages 3984–3988)

      Lynn Trahey, Harold H. Kung, Michael M. Thackeray and John T. Vaughey

      Version of Record online: 9 AUG 2011 | DOI: 10.1002/ejic.201100329

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      The effect of morphology and deposition substrate dimensionality has been studied for a series of lithium-ion battery anode structures. For Cu2Sb-based anodes, enhanced cycling stability was found when a flat film was electrodeposited into a porous substrate to create a three-dimensional anode.

    15. Zintl–Klemm Concept

      Revisiting the Zintl–Klemm Concept: A2AuBi (A = Li or Na) (pages 3989–3998)

      Fei Wang and Gordon J. Miller

      Version of Record online: 6 JUN 2011 | DOI: 10.1002/ejic.201100312

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      The Au/Bi zigzag “ribbon” structural motif in Na2AuBi is compared with the diamond-type Au/Bi and Tl/Tl networks in Li2AuBi and NaTl. The “ribbon” is favoured when the alkali metal is large and valence dorbitals are actively involved in bonding.

    16. Germanium Clusters

      Structural Investigation of a Fully Ordered closo-Ge92– Cluster in the Compound [K+(2,2,2-crypt)]2Ge92– (pages 3999–4005)

      Josefin Åkerstedt, Simeon Ponou, Lars Kloo and Sven Lidin

      Version of Record online: 13 JUL 2011 | DOI: 10.1002/ejic.201100447

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      The first example of a fully ordered Ge92– cluster was found in the low-temperature (100 K) structure of [K+(2,2,2-crypt)]2Ge92–. The room-temperature structure is trigonal and agrees very well with previously published reports, whereas the fully ordered low-temperature structure is monoclinic. The structural determination was complicated by extensive twinning.

    17. Zintl Phase Hydrides

      Two Germanide Hydride Phases Grown in Calcium-Rich Flux: Use of Interstitial Elements for Discovery of New Phases (pages 4006–4011)

      David A. Lang and Susan E. Latturner

      Version of Record online: 20 JUL 2011 | DOI: 10.1002/ejic.201100325

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      Reactions of germanium in Ca/Li flux produce two new phases owing to incorporation of hydride and oxide contaminants originally present in the flux metals. The structures of LiCa7Ge3H3 and LiCa11Ge3OH4 feature Ge4– anions and hydride anions in octahedral coordination by calcium and lithium cations.

    18. Intermetallic Phases Ca-Ni-Ge

      Complex Intermetallic Compounds: CaNi5Ge3, Ca15Ni68Ge37, and Ca7Ni49Ge22 – Three Multifaceted Ni-Ge Framework Structures Combining the Structural Motifs of Ni3Ge and CaNi2Ge2 (pages 4012–4024)

      Lisa Siggelkow, Viktor Hlukhyy, Bernhard Wahl and Thomas F. Fässler

      Version of Record online: 3 AUG 2011 | DOI: 10.1002/ejic.201100347

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      Ca15Ni68Ge37, CaNi5Ge3, and Ca7Ni48.9(4)Ge22.1(4) consist of complex networks of Ni and Ge atoms, which are based on two-dimensional slabs of the binary Ni3Ge structure (yellow and blue polyhedra). As the Ca content decreases, the Ni-Ge substructures form one-, two-, and three-dimensional networks. These are separated by Ca atoms, which are at the center of the Ge/Ni hexagonal prisms (grey polyhedra).

    19. Solid-State Structures

      Gallium Pnictides of the Alkaline Earth Metals, Synthesized by Means of the Flux Method: Crystal Structures and Properties of CaGa2Pn2, SrGa2As2, Ba2Ga5As5, and Ba4Ga5Pn8 (Pn = P or As) (pages 4025–4036)

      Hua He, Ryan Stearrett, Edmund R. Nowak and Svilen Bobev

      Version of Record online: 1 APR 2011 | DOI: 10.1002/ejic.201100065

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      Six new alkaline earth metal gallium phosphides and arsenides have been synthesized for the first time. Their crystal structures have been established by single-crystal and synchrotron powder X-ray diffraction. Their electronic band structures have been determined by using DFT calculations, and their physical properties (e.g., electricalresistivity and thermopower) have beenmeasured.

    20. Barium Copper Polychalcogenides

      Synthesis, Structure, and Thermoelectric Properties of Barium Copper Polychalcogenides with Chalcogen-Centered Cu Clusters and Te22– Dumbbells (pages 4037–4042)

      Oottil Mayasree, Cheriyedath Raj Sankar, Yanjie Cui, Abdeljalil Assoud and Holger Kleinke

      Version of Record online: 26 MAY 2011 | DOI: 10.1002/ejic.201100284

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      These polychalcogenides are bestowed with Ba-centered pentagonal Cu8Te12 dodecahedra and Te22– dumbbells of full Th symmetry, in addition to chalcogen-centered Cu clusters. In accord with the Zintl concept implying that these materials would be intrinsic semiconductors when x = 0, the Cu-deficient selenide-telluride with x = 0.3 is a p-type semiconductor, exhibiting very low thermal conductivity.

    21. Thermoelectrics

      Enhanced Thermoelectric Figure of Merit of Zintl Phase YbCd2–xMnxSb2 by Chemical Substitution (pages 4043–4048)

      Kai Guo, Qi-Gao Cao, Xian-Juan Feng, Mei-Bo Tang, Hao-Hong Chen, Xiangxin Guo, Ling Chen, Yuri Grin and Jing-Tai Zhao

      Version of Record online: 2 AUG 2011 | DOI: 10.1002/ejic.201100282

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      The effects of substituting Cd by Mn in Zintl phases YbCd2–xMnxSb2 on their structure and thermoelectric properties are investigated. The presence of Mn reduces the cell parameters and electrical conductivity and enlarges the Seebeck coefficient, but it decreases the thermal conductivity simultaneously. The peak ZT of 1.14 at 650 K can be obtained when x = 0.1.

    22. Carbide Nitrides

      Disorder in Rare Earth Metal Halide Carbide Nitrides (pages 4049–4056)

      Manuel C. Schaloske, Lorenz Kienle, Hansjürgen Mattausch, Viola Duppel and Arndt Simon

      Version of Record online: 1 JUN 2011 | DOI: 10.1002/ejic.201100201

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      Two types of cerium iodide carbide nitride rod structures are reported. The first, in Ce8I6(C2)(N)2 (1), is composed of alternating single (Ce6C) octahedra and double (Ce4N)2 tetrahedra, 1[ott], the secondtype of rods comprises double (Ce6C)2octahedra and double (Ce4N)2 tetrahedra, 1[oott], and is observed inCe12I18(C2)2(N)2 (2). Compound 2 shows different degrees of disorder on the micro- and nanoscale.

    23. Cationic Zirconium Clusters

      Cationic Boron-Centred Hexanuclear Zirconium Cluster Compounds with Nitrilo Ligands and [MIIICl4] Counter Ions: [(Zr6B)Cl12(CH3CN)6][MIIICl4] with MIII = Al, Ga, In (pages 4057–4062)

      Arne Bernsdorf and Martin Köckerling

      Version of Record online: 27 JUL 2011 | DOI: 10.1002/ejic.201100357

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      Addition of Lewis acids MIIICl3 (MIII = Al, Ga or In) to acetonitrile solutions of molecular Zr cluster compounds, excised from K2[(Zr6B)Cl15], shifts the chemical equilibria between different cluster species to the single product [(Zr6B)Cl12(CH3CN)6][MIIICl4].

    24. Tungsten Clusters

      Phosphorus-Centered and Phosphinidene-Capped Tungsten Chloride Clusters (pages 4063–4068)

      Markus Ströbele, Klaus Eichele and H.-Jürgen Meyer

      Version of Record online: 26 MAY 2011 | DOI: 10.1002/ejic.201100122

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      Solid-state reactions of highly reactive compounds or elements at low temperatures may provide a way to establish the potentially largest number of currently missing or unknown compounds. The reduction of WCl6 with elemental phosphorus yielded the phosphorus-centered W6PCl17 cluster, which can be further reduced to yield the phosphinidene-capped cluster compound W4(PCl)Cl10.

    25. Indium As(III) Oxide Halides

      Syntheses, Crystal Structures, and Optical Properties of Indium Arsenic(III) Oxide Halides: In2(As2O5)Cl2 and In4(As2O5)(As3O7)Br3 (pages 4069–4076)

      Xiao-Ming Jiang, Zhong-Ning Xu, Zhong-Yan Zhao, Sheng-Ping Guo, Guo-Cong Guo and Jin-Shun Huang

      Version of Record online: 6 MAY 2011 | DOI: 10.1002/ejic.201100091

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      The first two indium arsenic(III) oxide halides, In2(As2O5)Cl2 and In4(As2O5)(As3O7)Br3, which feature layered structures and three different indium-ion coordination geometries in one compound, were obtained by the solid-state reaction of InCl3/InBr3, As2O3, and In2O3.

    26. Cluster Complexes

      Synthesis and Structural Characterization of Lithium and Iron Complexes Containing a Chelating Phenolate Phosphane Ligand (pages 4077–4082)

      Lan-Chang Liang, Yu-Ning Chang, Huan-Yu Shih, Sheng-Ta Lin and Hon Man Lee

      Version of Record online: 26 JUL 2011 | DOI: 10.1002/ejic.201100260

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      Biphenolate phosphane complexes of tetranuclear lithium and binuclear iron(II) were prepared and structurally characterized. The former, incorporating coordinated diethyl ether molecules, features a distinct structure, whereas the latter, with a diiron core bridged with two phenolate oxygen atoms and one phosphane, exhibits antiferromagnetic coupling between the two Fe centers.

    27. Cluster Complex Halides

      {Os5Lu20}I24, the First Extended Cluster Complex of Lutetium with Eight-Coordinate Endohedral Osmium Atoms in Two Different Environments (pages 4083–4088)

      Matthias Brühmann, Anja-Verena Mudring, Martin Valldor and Gerd Meyer

      Version of Record online: 2 AUG 2011 | DOI: 10.1002/ejic.201100451

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      A 1D polar inter-metallic isolated by iodide: Square antiprisms and cubes of lutetium, in a surprising 4:1 ratio, sequester osmium atoms into a chain. The electronic structure features strong Os–Lu and Lu–I bonding interactions with lesser Lu–Lu and negligible Os–Os contributions resulting in a complicated magnetic cluster glass behavior.

    28. Crystalline and Liquid Crystalline Organic–Inorganic Hybrid Salts with Cation-Sensitized Hexanuclear Molybdenum Cluster Complex Anion Luminescence (pages 4089–4095)

      Joanna Bäcker, Svenja Mihm, Bert Mallick, Mei Yang, Gerd Meyer and Anja-Verena Mudring

      Version of Record online: 10 AUG 2011 | DOI: 10.1002/ejic.201100365

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      The organic–inorganic hybrid salts [Cnmim]2[{Mo6}Cl14] (mim=methylimidazolium) crystallize with n = 4 and 6 and show thermotropic liquid-crystalline behaviour with n = 16 and 18. Bright red luminescence, centred at around 730 nm, is observed either upon excitation of theimidazolium head group (475 nm) or the cluster-based levels (360 nm).

    29. Mixed-Valent Mo Compounds

      Solvothermal Treatment of Triangular Molybdenum(IV) Oxo Species – A New Approach for the Synthesis of New Molybdenum Oxo Clusters (pages 4096–4102)

      Jun Zhao and Li Xu

      Version of Record online: 19 JUL 2011 | DOI: 10.1002/ejic.201100306

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      An unprecedented solvothermal treatment of triangular molybdenum(IV) oxo cluster compounds was established to prepare new oligonuclear oxomolybdenum clusters 3, 4, and 5, providing a new approach for the synthesis of new types of molybdenum oxo clusters.

    30. Coordination Polymers

      Synthesis and Structures of Cadmium(II) Complexes with (η6-Benzenecarboxylate)tricarbonylchromium (pages 4103–4108)

      Balasubramanian Murugesapandian and Peter W. Roesky

      Version of Record online: 14 APR 2011 | DOI: 10.1002/ejic.201100072

      Thumbnail image of graphical abstract

      The reaction of (benzoic acid)tricarbonylchromium [{η6-C6H5COOH}Cr(CO)3] with cadmium acetate with or without ancillary ligands in methanol or DMF leads to the formation of dinuclear and polymeric cadmium compounds.

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