Browsing Faculty Research and Publications by Issue Date

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  • Graham, J. B.; Cordes, A. W.; Oakley, Richard T.; Boeré, René T. (International Union of CrystallographyUniversity of ArkansasUniversity of Guelph, 1985)
    C7HsC12N3S2, Mr=266.17, triclinic, P], a=6-028(1), b=9-985(2), c=10.157 (3) /~, ct= 117.33 (2), fl= 106.73(2), y=90.31(1) °, V= 513-3(4)/~3, Z=2, D x=1.72gcm -3, 2(MoK~t)= 0.71073 A, /1 = 9.85 cm -1, F(000) = 268, T= ...
  • Cordes, A. Wallace; Oakley, Richard T.; Boeré, René T. (International Union of CrystallographyUniversity of ArkansasUniversity of Guelph, 1985)
    7-Phenyl- 124324b'2,524-trithia-2,4,6,8,9-penta - azabicyclo[3.3.1]nonane, CTHsNsS 3, M r = 255.3, monoclinic, P2Jn, a = 5.958 (1), b = 22.954 (2), c= 7.428 (1) A,/I= 106.25 (1) °, V= 975.2 (4) A 3, Z=4, D x = 1.74 g ...
  • Boeré, René T.; Oakley, Richard T.; Cordes, A. Wallace (International Union of CrystallographyUniversity of GuelphUniversity of Arkansas, 1985)
    7-tert-Butyl-3-chloro- 1,3,5,2,4,6,8-trithiatetrazocine, CsH9C1N4S 3, Mr= 256"8, tetragonal, P42/n, a = 17.856 (2), c = 6.646 (1) A, V = 2118.9 (8)/k 3, z=8, Dx= 1.61gcm -3, 2(MoKa)=0.71073A, # =8.9cm -1, F(000)=1056, ...
  • Cordes, A. Wallace; Craig, S. L.; Privett, J. A. James; Oakley, Richard T.; Boeré, René T. (International Union of CrystallographyUniversity of ArkansasUniversity of Guelph, 1986)
    10-Phenyl- 1,8-dithia-9,11,12-triazatetracyclo- [6.3.1.1 a,6.02,7]tfideca- 1 (11),4,9,8 (12)-tetraene, C ~4- H13N3S2, Mr-- 287.4, monoclinic, P2 l, a = 5-789 (2), b=10.064(1), c--11.109(2)A, fl=94.78(2) °, V = 644.9 ...
  • Boeré, René T.; Ferguson, George; Oakley, Richard T. (International Union of CrystallographyDepartment of Chemistry and BiochemistryUniversity of Guelph, 1986)
    7-Phenyl-3-(triphenylphosphinimino)- 1,3,5,- 2,4,6,8-trithiatetrazocine, C25H20N5PS3, Mr = 517.64, monoclinic, P21/c, a = 13.957 (3), b = 9.242 (3), c = 19.473 (4)/k, fl= 102.80 (2) °, V= 2449.4 A 3, Z =4, Dx=l.4Ogcm ...
  • Becke, A. D.; Roussel, Marc R. (American Physical SocietyArts and ScienceDepartment of Chemistry and BiochemistryQueen's UniversityUniversity of Lethbridgehttps://doi.org/10.1103/PhysRevA.39.3761, 1989)
    We present a new coordinate-space model of spherically averaged exchange-hole functions in inhomogeneous systems that depends on local values of the density and its gradient and Laplacian, and also the kinetic energy ...
  • Parvez, Masood; Boeré, René T.; Moock, Klaus H. (International Union of CrystallographyDepartment of ChemistryUniversity of CalgaryUniversity of Lethbridge, 1995)
    The analysis of the title compound, C8H7N2OSe2, shows that its crystals are composed of weakly linked dimers, with intramolecular Se--Se distances of 2.343(3) and 2.345 (2)A,, intermolecular Se-.-Se distances of 3.193(3) ...
  • Parvez, Masood; Boeré, René T.; Derrick, Sean; Moock, Klaus H. (International Union of CrystallographyDepartment of ChemistryUniversity of CalgaryUniversity of Lethbridge, 1995)
    The eight-membered ring in the title compound, C10HI8N4S2, lies about an inversion centre and is essentially planar with normal bond lengths and angles [mean C--S 1.569 (2) and mean C--N 1.326 (3)A].
  • Moazzen-Ahmadi, N.; Boeré, René T. (AIP PublishingArts and ScienceDepartment of ChemistryDepartment of PhysicsUniversity of Lethbridgehttps://doi.org/10.1063/1.476073, 1998)
    The 2n 12n 1 and n 11n 32n 3 difference bands of the CCO radical in the gas phase have been studied using a tunable infrared diode laser spectrometer. The CCO radical was produced using a flowing mixture of carbon suboxide ...
  • Beekman, Richard A.; Roussel, Marc R.; Wilson, P. J. (Arts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridge, 1999)
  • Maaninen, Arto; Boeré, René T.; Chivers, Tristram; Parvez, Masood (Verlag der Zeitschrift für NaturforschungArts and ScienceDepartment of Chemistry and BiochemistryUniversity of OuluUniversity of LethbridgeUniversity of Calgary, 1999)
    The reaction of SeCU or SeCF with /V,/V’-bis(trimethylsilyl)-2,6-diisopropylaniline occurs not at the nitrogen atom but by electrophilic aromatic substitution at C-4 of the phenyl ring to give [(CH3)3Si]2NC6H2('Pr:)SeCl3, ...
  • Beekman, Richard A.; Roussel, Marc R.; Wilson, P. J. (American Physical SocietyArts and ScienceDepartment of Chemistry and BiochemistryDepartment of PhysicsUniversity of Lethbridgehttps://doi.org/10.1103/PhysRevA.59.503, 1999)
    We have computed the equilibrium conformations of clusters of up to 100 ions in a spherically symmetric harmonic trap by a simple optimization strategy called seeding in which ions are added or removed from ...
  • Closson, Taunia L. L.; Roussel, Marc R. (American Physical SocietyArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridgehttps://doi.org/10.1103/PhysRevLett.85.3974, 2000)
    Many natural and technological systems have on/off switches. For instance, mitosis can be halted by biochemical switches which act through the phosphorylation state of a complex called mitosis promoting factor. If switching ...
  • Boeré, René T.; Roemmele, Tracey L. (ElsevierArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridgehttps://doi.org/10.1016/S0010-8545(00)00349-0, 2000)
    This review is a critical overview of the literature on electrochemistry of unsaturated ring compounds containing bonds between Group 15 and Group 16 elements (principally S and N), including metallacycles. It contains ...
  • Roussel, Marc R.; Wang, Jichang (American Physical SocietyArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridgehttps://doi.org/10.1103/PhysRevLett.87.188302, 2001)
    In this Letter, we report the observation of a transition from self-replicating behavior to stationary spatial structures induced by concentration-dependent diffusivities in the excitable Gray-Scott medium. Notably, the ...
  • Roussel, Catharine J.; Roussel, Marc R. (Arts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridge, 2003)
  • Gu, Shan-Qing; Peske, Frank; Wieden, Hans-Joachim; Rodnina, Marina V.; Wintermeyer, Wolfgang (Cold Springs Harbor Laboratory PressArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Witten/HerdeckeUniversity of Lethbridge, 2003)
    The signal recognition particle (SRP) from Escherichia coli, composed of Ffh protein and 4.5S RNA, mediates membrane targeting of translating ribosomes displaying a signal or signal-anchor sequence. SRP binds at the peptide ...
  • Juranek, Stefan; Wieden, Hans-Joachim; Lipps, Hans J. (Oxford University PressArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Witten/HerdeckeUniversity of Lethbridgehttps://doi.org/10.1093/nar/gkg233, 2003)
    Dramatic DNA reorganization and elimination processes occur during macronuclear differentiation in ciliates. In this study we analyzed whether cytosine methylation of specific sequences plays a functional role during DNA ...
  • Armstrong, A.; Chivers, T.; Boeré, René T. (American Chemical SocietyArts and ScienceDepartment of Chemistry and BiochemistryUniversity of CalgaryUniversity of Lethbridge, 2005)
    Stable and persistent phosphorus-containing radicals can be divided into five general categories: phosphinyl, diphosphanyl, 1,3-diphosphaallyl, lithiated tetrakisimidophosphates, and phosphaverdazyl systems. The syntheses, ...
  • Boeré, René T.; Masuda, Jason D.; Tran, Peter (ElsevierArts and ScienceDepartment of Chemistry and BiochemistryUniversity of Lethbridgehttps://doi.org/10.1016/j.jorganchem.2006.09.004, 2006)
    The homoleptic aryl copper reagent [Cu4Dipp4] (Dipp = 2,6-diisopropylphenyl) has been prepared and structurally characterized by a single-crystal X-ray diffraction study. Its tetrameric structure differs in significant ...