362 items found

Tags: Biochemistry Ecology Physical Sciences not elsewhere classified

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  • dataset

    Synthesis and Structure of Sr<sub>3</sub>GaN<sub>3</sub> and Sr<sub>6</sub>Ga...

    Two new strontium gallium nitrides were obtained as single crystals by reaction in molten Na. Black Sr3GaN3 is isostructural with its transition metal analogues, Sr3MnN3,...
  • dataset

    Revisiting the Thermal Decomposition of Layered γ-Titanium Phosphate and Stru...

    The thermal transformations of γ-titanium phosphate, Ti(PO4)(H2PO4)·2H2O, have been studied by thermal analyses (thermogravimetry (TG) and differential thermal analysis (DTA))...
  • dataset

    Metal−Metal Multiple Bonds in Early/Late Heterobimetallics Support Unusual Tr...

    Metal−Metal Multiple Bonds in Early/Late Heterobimetallics Support Unusual Trigonal Monopyramidal Geometries at both Zr and Co
  • dataset

    Combination Chemistry of Hexa-Copper-Substituted Polyoxometalates Driven by t...

    Reaction of CuCl2·2H2O and trivacant Keggin polyoxoanion Na9[A-α-PW9O34]·7H2O in the presence of ethylene-diamine/1,2-diaminopropane (en/enMe) under hydrothermal conditions led...
  • dataset

    Applications of Bis(1-R-imidazol-2-yl)disulfides and Diselenides as Ligands f...

    Bis(1-R-imidazol-2-yl)disulfides, (mimR)2 (R = Ph, But), and diselenides, (seimMes)2, serve as bidentate N,N-donor ligands for main-group and transition metals. For example,...
  • dataset

    Bisindolylmaleimides as Red Electroluminescence Materials

    Derivatives of bisindolylmaleimide were found to form amorphous solid films which exhibit red luminescence, and can be fabricated into light-emitting diodes. The property of...
  • dataset

    Topotactic Oxidative and Reductive Control of the Structures and Properties o...

    Topotactic modification, by both oxidation and reduction, of the composition, structures, and magnetic properties of the layered oxychalcogenides Sr4Mn3O7.5Cu2Ch2 (Ch = S, Se)...
  • dataset

    Multiple Coordination Geometries Supported by Methylene-Linked Guanidines

    The methylene-linked bicyclic guanidine based on the 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine (hppH) framework provides a versatile platform able to support...
  • dataset

    Luminescent Lanthanide Oxalatophosphites with a 3D Framework Structure: [Ln(H...

    Luminescent Lanthanide Oxalatophosphites with a 3D Framework Structure: [Ln(H2O)(C2O4)0.5(HPO3)]·H2O (Ln = Pr, Nd, and Sm−Lu)
  • dataset

    r37980778c78--f98d876a48cd55e200228959b6eb0e73

    Bis(1-R-imidazol-2-yl)disulfides, (mimR)2 (R = Ph, But), and diselenides, (seimMes)2, serve as bidentate N,N-donor ligands for main-group and transition metals. For example,...
  • dataset

    Hydrocarbon Activation via Reversible 1,2-RH-Elimination from (<sup>t</sup>Bu...

    Hydrocarbyl complexes, (tBu3SiNH)3ZrR (1-R), were prepared via metatheses of (tBu3SiNH)3ZrCl (1-Cl) with RMgX or RLi (R = Me, Et, Cy, CH2Ph, allyl, CHCH2, Ph, CH2tBu, C⋮CPh,...
  • dataset

    r37980778c78--ee50f303f6bc049d824efa234557da57

    Bis(1-R-imidazol-2-yl)disulfides, (mimR)2 (R = Ph, But), and diselenides, (seimMes)2, serve as bidentate N,N-donor ligands for main-group and transition metals. For example,...
  • dataset

    r37980778c78--430e096e653de6992760b47b503119cb

    With the assistance of structural models deduced from the high-resolution electron microscope (HREM) investigation presented in Part 1 of this work, three new structural types...
  • dataset

    La<sub>2</sub>Co<sub>2</sub>Se<sub>2</sub>O<sub>3</sub>: A Quasi-Two-Dimensio...

    The new oxyselenide La2Co2Se2O3, containing Co2O square-planar layers, has been successfully synthesized using solid-state reactions under vacuum. The compound crystallizes in...
  • dataset

    Controlled Growth of Ni Particles on Si(100)<sup>1a</sup>

    Ni particles were grown on Si(100) by MOCVD from Ni(η5-C5H4Me)2 in the presence of H2. There is an induction period which is a function of the precursor flux. The Ni particle...
  • dataset

    Spatially Homogeneous QM/MM for Systems of Interacting Molecules with on-the-...

    Quantum and classical mechanics are combined in a hybrid many-body interaction model to enable the computationally affordable study of systems containing many interacting...
  • dataset

    Crystal Structures and Magnetic Properties of the New Alkaline Zinc Oxovanadi...

    New alkaline oxovanadium phosphates of composition MZn(H2O)(VO)2(PO4)2(H2PO4) (hereafter noted as MZnVPO's) were prepared hydrothermally for M+ = K+, Rb+, Cs+ that crystallize...
  • dataset

    Thermochromic Luminescence of Sol−Gel Films Based on Copper Iodide Clusters

    The incorporation of copper iodide clusters in sol−gel silica has been investigated to prepare materials with original luminescent properties. The synthesis, structural...
  • dataset

    Spherical versus Linear Anion Encapsulation in the Cavity of a Protonated Aza...

    Grams scale synthesis of an octaaminocryptand L2 with high yield is obtained in one-pot by low-temperature [2 + 3] condensation of tris(2-aminoethyl)amine with...
  • dataset

    A Linear, Four-Spin Mn(II)−Nitronyl−Nitroxide-Substituted Phosphine Oxide Sys...

    A Linear, Four-Spin Mn(II)−Nitronyl−Nitroxide-Substituted Phosphine Oxide System Exhibiting Both Antiferro- and Ferromagnetic Interactions§