Browsing Chemistry Faculty Research, Publications and Presentations by Title

Now showing items 208-227 of 234

  • Thermal and lattice dynamical properties of Na8Si46 clathrate 

    Qiu, LY, MA White, ZQ Li, JS Tse, et al. 2001. "Thermal and lattice dynamical properties of Na8Si46 clathrate." Physical Review B 64(2): 024303-024303. Copyright © 2001 American Physical Society.
    The experimental heat capacity of Na8Si46 has been determined from 35-300 K, and its lattice parameters have been measured over the range 100-330 K. The experimental heat capacity and the thermal-expansion coefficient ...

  • Thermal conductivities of a clathrate with and without guest molecules. 

    Zakrzewski, Marek, and Mary Anne White. 1992. "Thermal conductivities of a clathrate with and without guest molecules.." Physical Review B: Condensed Matter and Materials Physics 45(6): 2809-2817. Copyright © 1992 American Physical Society.
    The thermal conductivities of Dianin's compd. [4-(p-hydroxyphenyl)-2,2,4-trimethylchroman] and its ethanol adduct in the temp. range 20-250 K are reported. This clathrate has the same stable structure both with and without ...

  • Thermal conductivity of (Er1-xYx)(2)Ti2O7 pyrochlore oxide solid solutions 

    Bryan, Craig, Catherine A. Whitman, Michel B. Johnson, John F. Niven, et al. 2012. "Thermal conductivity of (Er1-xYx)(2)Ti2O7 pyrochlore oxide solid solutions." Physical Review B 86(5): 054303-054303. Copyright © 2012 American Physical Society.
    The thermal conductivities of pyrochlore oxide solid solutions of general formula (Er1-xYx)(2)Ti2O7 with 0 <= x <= 1 have been determined for high-quality single crystals aligned along the [110] direction, over the ...

  • Thermal conductivity of an organic clathrate: Possible generality of glasslike thermal conductivity in crystalline molecular 

    Reproduced from Michalski, D., and MA White. 1997. "Thermal conductivity of an organic clathrate: Possible generality of glasslike thermal conductivity in crystalline molecular." Journal of Chemical Physics 106(14): 6202-6203, with the permission of AIP Publishing.
    No abstract available.

  • Thermal, vibrational, and thermoelastic properties of Y2Mo3O12 and their relations to negative thermal expansion 

    Phys. Rev. B 90, 024305
    Y2 Mo3O12, a material that exhibits negative thermal expansion (NTE) from 10 to 1173 K, offers an excellent opportunity to examine relationships between NTE and other physical properties over a wide temperature range. We ...

  • Thermo-Luminescence in Solid Methane 

    WHITE, MA, TG RYAN, and JA MORRISON. 1980. "Thermo-Luminescence in Solid Methane." Faraday discussions 69: 164-174.
    No abstract available.

  • Thermodynamic Characterization of the Low-Temperature Phase-Transformations in Koh and Kod 

    Reproduced from WHITE, MA, A. PERROTT, D. BRITTEN, and MJM VANOORT. 1988. "Thermodynamic Characterization of the Low-Temperature Phase-Transformations in Koh and Kod." Journal of Chemical Physics 89(7): 4346-4348, with the permission of AIP Publishing.
    No abstract available.

  • Thermodynamic cycles of the alkali metal-ligand complexes central to electride formation 

    Dale, Stephen; and Johnson, Erin. (2017). Thermodynamic cycles of the alkali metal-ligand complexes central to electride formation. Physical Chemistry Chemical Physics, 19, 12816-12825. https://doi.org/10.1039/C7CP00882A

  • A thermodynamic investigation of dynamical disorder in phase II of CBr4. 

    Reproduced from Michalski, Darek, and Mary Anne White. 1995. "A thermodynamic investigation of dynamical disorder in phase II of CBr4.." Journal of Chemical Physics 103(14): 6173-6176, with the permission of AIP Publishing.
    CBr4 is an archetypal example of a pseudospherical mol. that can form an orientationally disordered phase (phase I, 320 K < T < 365 K). At lower temps., phase II is the stable phase; although it must be more ordered than ...

  • Thionation Reactions of 2-Pyrrole Carboxylates 

    Brandon R. Groves, Deborah A. Smithen, T. Stanley Cameron and Alison Thompson. (2016). Thionation Reactions of 2-Pyrrole Carboxylates. RSC Advances, 6, 69691-69697. DOI: 10.1039/c6ra14809c

  • Topological constraints and the Makishima–Mackenzie model 

    M. Plucinski, J.W. Zwanziger, Topological constraints and the Makishima–Mackenzie model, Journal of Non-Crystalline Solids, Volume 429, 1 December 2015, Pages 20-23, ISSN 0022-3093, http://dx.doi.org/10.1016/j.jnoncrysol.2015.08.029
    Computations of the elastic properties of networks with bond stretch and bond angle bend forces are carried out in order to study their behavior as a function of average coordination number. It is found that the elastic ...

  • Transport properties of Na8Si46 

    Nolas, GS, JM Ward, J. Gryko, L. Qiu, et al. 2001. "Transport properties of Na8Si46." Physical Review B 64(15): 153201-153201. Copyright © 2001 American Physical Society.
    We report on transport properties of polycrystalline Na8Si46 in the temperature range 10 to 300 K. The compound is a type I clathrate with Na incorporated into polyhedra formed by framework Si atoms. Seebeck coefficient ...

  • Tuning the electronic behavior of Au nanoparticles with capping molecules 

    Zhang, P., and TK Sham. 2002. "Tuning the electronic behavior of Au nanoparticles with capping molecules." Applied Physics Letters 81(4): 736-738.
    No abstract available.

  • Tunnel Splittings in Solid Cd4 Estimated from Heat-Capacity Data 

    Reproduced from WHITE, MA, and JA MORRISON. 1980. "Tunnel Splittings in Solid Cd4 Estimated from Heat-Capacity Data." Journal of Chemical Physics 72(11): 5927-5929, with the permission of AIP Publishing.
    No abstract available.

  • Use of carbon black to eliminate surface charging effects in photoelectron spectroscopy measurements of powders 

    Obrovac, MN, Y. Gao, MN Richard, and JR Dahn. 1997. "Use of carbon black to eliminate surface charging effects in photoelectron spectroscopy measurements of powders." Applied Physics Letters 71(16): 2262-2264.
    No abstract available.

  • Use of F-BODIPYs as a protection strategy for dipyrrins: optimization of BF2 removal. 

    Smithen, D. A., Baker, A. E., Offman, M., Crawford, S. M., Cameron, T. S., & Thompson, A. (2012). Use of F-BODIPYs as a protection strategy for dipyrrins: optimization of BF2 removal. The Journal of organic chemistry, 77(7), 3439-3453. DOI: 10.1021/jo3002003
    We recently reported the first general method for the deprotection of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (F-BODIPYs) involving a microwave-assisted procedure for the removal of the BF2 moiety, and liberation of ...

  • The Use of Tin (IV) Chloride to Selectively Cleave Benzyl Esters over Benzyl Ethers and Benzyl Amines 

    Baker, A. E., Marchal, E., Lund, K. L. A., & Thompson, A. (2014). The use of tin (IV) chloride to selectively cleave benzyl esters over benzyl ethers and benzyl amines. Canadian Journal of Chemistry, 92(12), 1175-1185. https://doi.org/10.1139/cjc-2014-0364
    Benzyl esters are cleaved upon reaction with SnCl4, resulting in isolation of the corresponding carboxylic acid. Importantly, benzyl ethers, amines and amides do not undergo debenzylation under these conditions, nor do a ...

  • Vinylogous anionic processes in the formation and interconversion of tetracyclic ring systems 

    Thornton, Paul D., T. Stanley Cameron, and D. Jean Burnell. 2011. "Vinylogous anionic processes in the formation and interconversion of tetracyclic ring systems." Organic & Biomolecular Chemistry 9(9): 3447-3456.
    Tandem oxy-Cope and transannular vinylogous aldol reactions and/or vinylogous retro-aldol, conjugate addition, and transannular vinylogous aldol reactions transformed some tricyclic vinyl enones into fused tetracycles under ...

  • What is “many-body” dispersion and should I worry about it? 

    A. Otero de la Roza, L. M. LeBlanc, E. R. Johnson, What Is "Many-Body" Dispersion and Should I Worry About It?, Phys. Chem. Chem. Phys. 22, 8266-8276 (2020)

  • Why is there no low-temperature phase transition in NaOH? 

    Reproduced from Bessonette, PWR, and MA White. 1999. "Why is there no low-temperature phase transition in NaOH?." Journal of Chemical Physics 110(8): 3919-3925, with the permission of AIP Publishing.
    Although NaOH and NaOD exhibit parallel polymorphism at high temperatures, NaOD exhibits a low-temperature phase transition to a hydrogen-bonded antiferroelectric phase and no comparable transition has been found in NaOH. ...