Index Catalog // ScholarsArchive@OSU

Coriolis analysis of several high-resolution infrared bands of bicyclo[111]pentane-d₀ and -d₁

Creator:: Perry, A., Martin, M. A., Nibler, J. W., Maki, A., Weber, A., and Blake, T. A.
Abstract:: High-resolution infrared absorption spectra have been analyzed for two bicyclo[111]pentane isotopologues, C₅H₈ (-d₀) and C₅H₇D (-d₁), where in the latter the D-atom replaces a hydrogen on the C₃ symmetry axis such that the molecular symmetry is reduced from D₃ₕ to C₃ᵥ. Two (a"₂) parallel bands, v₁₇ and v₁₈, of bicyclopentane-d₀...
Resource Type:: Article
Full Text:: . Weber c, T.A. Blake d aDepartment of Chemistry, Oregon State University, Corvallis, OR 97332-4003

High-resolution infrared studies of perdeutero-spiropentane, C₅D₈

Creator:: Erickson, Blake Alexander, Ju, X., Nibler, Joesph W., Beaudry, C. M., and Blake, T. A.
Abstract:: Perdeutero-spiropentane (C₅D₈) has been synthesized and infrared and Raman spectra are reported for the first time. Wavenumber assignments are made for most of the fundamental vibrational modes. Gas phase infrared spectra were recorded at a resolution (0.002 cm⁻¹) sufficient to resolve individual rovibrational lines and show evidence of strong Coriolis...
Resource Type:: Article
Full Text:: . Dannenberg, S. Dapprich, A. D. Daniels, O. Farkas, J. B. Foresman, J. V. Ortiz, J. Cioslowski, and D. J

C–H···O Non-Classical Hydrogen Bonding in the Stereomechanics of Organic Transformations: Theory and Recognition

Creator:: Johnston, Ryne C. and Cheong, Paul Ha-Yeon
Abstract:: This manuscript describes the role of non-classical hydrogen bonds (NCHBs), specifically C–H···O interactions, in modern synthetic organic transformations. Our goal is to point out the seminal examples where C–H···O interactions have been invoked as a key stereocontrolling element and to provide predictive value in recognizing future and/or potential C–H···O interactions...
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Full Text:: RSC Article Template (Version 3.2) C–H···O Non

Catalyst selective and regiodivergent O- to C- or N-carboxyl transfer of pyrazolyl carbonates: synthetic and computational studies

Creator:: Gould, Eoin, Walden, Daniel M., Kasten, Kevin, Johnston, Ryne C., Wu, Jiufeng, Slawin, Alexandra M., Mustard, Thomas J. L., Johnston, Brittany, Davies, Tony, Cheong, Paul Ha-Yeon, and Smith, Andrew D.
Abstract:: The regiodivergent O- to C- or N-carboxyl transfer of pyrazolyl carbonates is described, with DMAP giving preferential N-carboxylation and triazolinylidenes promoting selective C-carboxylation (both with up to >99 : 1 regioselectivity). An enantioselective O- to C-carboxyl variant using NHC catalysis is demonstrated (up to 92% ee), while mechanistic and DFT studies outline...
Resource Type:: Article
Full Text:: ., ... & Smith, A. D. (2014). Catalyst selective and regiodivergent O- to C- or N-carboxyl transfer of pyrazolyl

Effect of oxygen concentration on the structural and magnetic properties of LaRh₁/₂Mn₁/₂O₃ thin films

Creator:: Sheets, W. C., Smith, A. E., Subramanian, M. A., and Prellier, W.
Abstract:: Epitaxial LaRh₁/₂Mn₁/₂O₃ thin films have been grown on (001)-oriented LaAlO₃ and SrTiO₃ substrates using pulsed laser deposition. The optimized thin film samples are semiconducting and ferromagnetic with a Curie temperature close to 100 K, a coercive field of 1200 Oe, and a saturation magnetization of 1.7μB per formula unit. The...
Resource Type:: Article
Full Text:: � through a �180° Mn4+–O–B2+ Goodenough– Kanamori interaction, resulting in a ferromagnetic coupling. A

Refractive Index and Optical Dispersion of In2O3, InBO3 and Gahnite

Creator:: Medenbach, O., Siritanon, Theeranun, Subramanian, Mas, Dettmar, D., Shannon, R. D., and Fischer, R. X.
Abstract:: Refractive indices of In₂O₃, In₂₋ₓSnₓO₃, InBO₃ and 2 different gahnite crystals (ZnAl₂O₄ and Zn.₉₅Fe.₀₅Al₂O₄) were measured at wavelengths of 435.8 to 643.8 nm and were used to calculate n at λ = 589.3 nm ( nD ) and at λ = ∞ (n∞) using the one-term Sellmeier equation 1/(n²-1) =...
Resource Type:: Article
Full Text:: . O. Medenbacha, Theeranun Siritanonb*, Mas Subramanianb**, D. Dettmara, R.D. Shannonc, and R. X

Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening

Creator:: Aspitarte, Lee, McCulley, Daniel R., Bertoni, Andrea, Island, Joshua O., Ostermann, Marvin, Rontani, Massimo, Steele, Gary A., and Minot, Ethan D.
Abstract:: Ion pairs and solubility related to ion-pairing in water influence many processes in nature and in synthesis including efficient drug delivery, contaminant transport in the environment, and self-assembly of materials in water. Ion pairs are difficult to observe spectroscopically because they generally do not persist unless extreme solution conditions are...
Resource Type:: Article
Full Text:: . McCulley1, Andrea Bertoni2, Joshua O. Island3, Marvin Ostermann3, Massimo Rontani2, Gary A. Steele3 and

Laboratory-frame electron angular distributions: Probing the chemical environment through intramolecular electron scattering

Creator:: Patanen, M., Travnikova, O., Zahl, M. G., Söderstrom, J., Decleva, P., Thomas, T. D., Svensson, S., Mårtensson, N., Børve, K. J., Sæthre, L. J., and Miron, C.
Abstract:: Carbon 1s photoelectron asymmetry parameters β for the chlorinated and the methyl carbon atom of CH₃CH₂Cl, CH₃CHCl₂, and CH₃CCl₃ have been measured using synchrotron radiation in the 340-600 eV energy range. We provide experimental evidence that the intramolecular scattering strongly affects beta values, even far from the ionization threshold. The...
Resource Type:: Article
Full Text:: M. Patanen,1 O. Travnikova,1 M. G. Zahl,2 J. Söderström,3 P. Decleva,4 T. D. Thomas,5 S. Svensson

Highly Regioselective Nitrile Oxide Dipolar Cycloadditions with ortho-Nitrophenyl Alkynes

Creator:: McIntosh, Melissa L., Naffziger, Michael R., Ashburn, Bradley O., Zakharov, Lev N., and Carter, Rich G.
Abstract:: The dipolar cylcoadditions of ortho-nitrophenyl alkynes with aryl nitrile oxides has been demonstrated. A range of substituents are tolerated on the alkyne. These reactions proceed with excellent levels of regioselectivity. Subsequent functionalization of the isoxazole scaffold has been demonstrated.
Resource Type:: Article
Full Text:: . (c) B. O. Ashburn, R. G. Carter and L. N. Zakharov, J. Am. Chem. Soc., 2007, 129, 9109- 9116. (d

Effects of molecular potential and geometry on atomic core-level photoemission over an extended energy range: The case study of the CO molecule

Creator:: Kukk, E., Travnikova, O., Mondal, S., Kimura, M., Sakai, K., Miron, C., Martín, F., Ueda, K., Ayuso, D., Thomas, T. D., Decleva, P., Patanen, M., Argenti, L., Plésiat, E., Palacios, A., and Kooser, K.
Abstract:: We report an experimental and theoretical study of single-molecule inner-shell photoemission measured over an extended range of photon energies. The vibrational intensity ratios I (nu = 1)/I (nu = 0) from the C 1s photoelectron spectra of carbon monoxide, although mostly determined by the bond length change upon ionization, are...
Resource Type:: Article
Full Text:: the CO molecule E. Kukk,1,* D. Ayuso,2 T. D. Thomas,3 P. Decleva,4,† M. Patanen,5 L. Argenti,2 E

ScholarsArchive@OSU

Coriolis analysis of several high-resolution infrared bands of bicyclo[111]pentane-d₀ and -d₁

High-resolution infrared studies of perdeutero-spiropentane, C₅D₈

C–H···O Non-Classical Hydrogen Bonding in the Stereomechanics of Organic Transformations: Theory and Recognition

Catalyst selective and regiodivergent O- to C- or N-carboxyl transfer of pyrazolyl carbonates: synthetic and computational studies

Effect of oxygen concentration on the structural and magnetic properties of LaRh₁/₂Mn₁/₂O₃ thin films

Refractive Index and Optical Dispersion of In2O3, InBO3 and Gahnite

Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening

Laboratory-frame electron angular distributions: Probing the chemical environment through intramolecular electron scattering

Highly Regioselective Nitrile Oxide Dipolar Cycloadditions with ortho-Nitrophenyl Alkynes

Effects of molecular potential and geometry on atomic core-level photoemission over an extended energy range: The case study of the CO molecule

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