Now showing items 1-12 of 12

    • 1,2,5-Selenadiazolo[3,4-b]pyrazines : synthesis from 3,4-Diamino-1,2,5-selenadiazole and Generation of Persistent Radical Anions 

      Konstantinova, Lidia S.; Bobkova, Irina E.; Nelyubina, Yulia V.; Chulanova, Elena A.; Irtegova, Irina G.; Vasilieva, Nadezhda V.; Sanz Camacho, Paula; Ashbrook, Sharon Elizabeth Marie; Hua, Guoxiong; Slawin, Alexandra Martha Zoya; Woollins, J Derek; Zibarev, Andrey V.; Rakitin, Oleg A. (2015-09) - Journal article
      Synthesis of 3,4-disubstituted and fused 1,2,5-selenadiazolo[3,4-b]pyrazines via previously unknown 3,4-diamino-1,2,5-selenadiazole has been achieved in moderate to high yields. The compounds synthesized were characterized ...
    • Ammonium Phenylphosphonamidodiselenoates and Phenylphosphonamidodi-selenoic Diamides from the Selenation of Primary and Secondary Amines 

      Hua, Guoxiong; Randall, Rebecca A. M.; Slawin, Alexandra M. Z.; Woollins, J. Derek (2011-10) - Journal article
      By reacting two equivalents of primary or secondary amines with 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4-diselenide (Woollins' reagent) at room temperature a series of new ammonium phenylphosphonamidodiselenoates 1-7 ...
    • A crystallographic study of group I niobate perovskites 

      Peel, Martin D. (University of St Andrews, 2015-06-24) - Thesis
      In this work, X-ray and neutron powder diffraction experiments and complementary solid-state NMR spectroscopy are used to characterise NaNbO₃-based perovskite phases. Samples of NaNbO₃, KₓNa₁₋ₓNbO₃ and LiₓNa₁₋ₓNbO₃ are ...
    • Extending the family of V4+ S = ½ kagome antiferromagnets 

      Clark, Lucy Mary; Himeur, Farida Himeur; Black, Cameron; Athukorala Arachchige, Kasun Sankalpa; Slawin, Alexandra Martha Zoya; Morris, Russell Edward; Lightfoot, Philip (2015) - Journal article
      The ionothermal synthesis, structure, and magnetic susceptibility of a novel inorganic–organic hybrid material, imidazolium vanadium(III,IV) oxyfluoride [C3H5N2][V9O6F24(H2O)2] (ImVOF) are presented. The structure consists ...
    • Impact of the metal centre and functionalization on the mechanical behaviour of MIL-53 metal–organic frameworks 

      Yot, Pascal G.; Yang, Ke; Guillerm, Vincent; Ragon, Florence; Dmitriev, Vladimir; Parisiades, Paraskevas; Elkaïm, Erik; Devic, Thomas; Horcajada, Patricia; Serre, Christian; Stock, Norbert; Mowat, John P. S.; Wright, Paul A.; Férey, Gérard; Maurin, Guillaume (2016-09-27) - Journal article
      An extended series of MIL-53(M)_X metal–organic frameworks (MIL = Materials of Institute Lavoisier; M = Al, Cr, Fe, Sc; X = Cl, CH3, NO2) have been systematically investiaged to explore the impact of the nature of both the ...
    • Investigating the molecular orientation of Ir(ppy)3 and Ir(ppy)2(acac) emitter complexes by X-ray diffraction 

      Murawski, Caroline; Elschner, Chris; Lenk, Simone; Reineke, Sebastian; Gather, Malte C. (2018-02) - Journal article
      We study thermally evaporated thin films of Ir(ppy)3 and Ir(ppy)2(acac) by means of grazing incidence X-ray diffraction (GIXRD) and grazing incidence wide-angle X-ray scattering (GIWAXS). Ir(ppy)3 and Ir(ppy)2(acac) are ...
    • Isolatable Organophosphorus(III)-Tellurium Heterocycles 

      Nordheider, Andreas; Chivers, Tristram; Schoen, Oliver; Karaghiosoff, Konstantin; Arachchige, Kasun S. Athukorala; Slawin, Alexandra M. Z.; Woollins, J. Derek (2014-01-13) - Journal article
      A new structural arrangement Te-3(RPIII)(3) and the first crystal structures of organophosphorus(III)-tellurium heterocycles are presented. The heterocycles can be stabilized and structurally characterized by the appropriate ...
    • A New Family of Two-Dimensional Zeolites Prepared from the Intermediate Layered Precursor IPC-3P Obtained during the Synthesis of TUN Zeolite 

      Kubu, Martin; Roth, Wieslaw J.; Greer, Heather F.; Zhou, Wuzong; Morris, Russell E.; Prech, Jan; Cejka, Jiri (2013-10-04) - Journal article
      The crystallization of zeolite TUN with 1,4-bis(N-methylpyrrolidinium)butane as template proceeds through an intermediate, designated IPC-3P, following the Ostwald rule of successive transformations. This apparently layered ...
    • Sterically crowded peri-substituted naphthalene phosphines and their PV derivatives 

      Knight, Fergus Ross; Fuller, Amy; Buehl, Michael; Slawin, Alexandra Martha Zoya; Woollins, J Derek (2010-07-05) - Journal article
      Three sterically crowded peri-substituted naphthalene phosphines, Nap[PPh2][ER] (Nap=naphthalene-1,8-diyl; ER=SEt, SPh, SePh) 1–3 , which contain phosphorus and chalcogen functional groups at the peri positions have been ...
    • Synthesis of porous metal phosphonate frameworks for applications in gas separation and storage 

      Wharmby, Michael T. (University of St Andrews, 2012-05-22) - Thesis
      Porous metal phosphonate framework materials were synthesised by solvothermal reaction of bis(α-aminomethylenephosphonic acid) ligands with divalent and trivalent metal cations. The syntheses and characterisation by NMR ...
    • Synthetic and structural studies of 1-halo-8-(alkylchalcogeno)naphthalene derivatives 

      Knight, Fergus Ross; Fuller, Amy; Buehl, Michael; Slawin, Alexandra Martha Zoya; Woollins, J Derek (2010-07-05) - Journal article
      A series of eight 1-halo-8-(alkylchalcogeno)naphthalene derivatives ( 1 – 8 ; halogen=Br, I; alkylchalcogen=SEt, SPh, SePh, TePh) containing a halogen and a chalcogen atom occupying the peri positions have been prepared ...
    • X-ray studies of zeolites and MOFs 

      Morris, Samuel Alexander (University of St Andrews, 2016-11-30) - Thesis
      This thesis is largely a study of the ADOR process (assembly-disassembly-organisation-reassembly) when applied to zeolite UTL. The final chapter of this thesis deals with the adsorption of the medical gases NO and CO onto ...