Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Scott P. Sibley"'
Autor:
Jessica L. Menke, Kristin Mutolo, Eric V. Patterson, Anne Saunders, Scott P. Sibley, Pamela L. Crum
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 163:463-471
The absorbance and fluorescence of 2-(1-pyrrolyl)-pyridine and three methylated derivatives have been studied in a variety of solvents. Absorbance spectra of the molecules were found to exhibit minor solvent dependence. The fluorescence spectra for a
Autor:
Nadira Arif, Jonathan M. Stoddard, Scott P. Sibley, Peter Djurovich, Victor Maraschin, Toby Ratansiripong, Claudia Richter, Larry A. Contreras, Herbert B. Silber
Publikováno v:
Polyhedron. 22:3439-3444
Ni(II) adds up to three thiocyanate ligands per cation in water and aqueous methanol. All three of the observed complexes are green, the color characteristic of free Ni(II) perchlorate, consistent with the absence of any geometry change occurring upo
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 53:679-684
The equilibrium constants for complexation of C 60 with naphthalene, phenanthrene and pyrene in toluene have been determined by UV/visible spectroscopy. The magnitude of the equilibrium constants was found to increase with decreasing ionization poten
Publikováno v:
Journal of Alloys and Compounds. 225:291-294
The complexation between Eu(III) and glycine in water and aqueous methanol was studied by UV-visible spectroscopy. Substantial increases in the extent of complexation occur with increasing methanol mole fraction. Changes in the signs of the complexat
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 82:205-215
Transition metal chalcogenophosphates with the formula M,P*X, (where M is a divalent transition metal and X = S, Se) form a family of compounds with layered structures that offer chemically accessible interlamellar spaces and the ability, unique amon
Publikováno v:
The Chemical Educator. 7:223-225
An experiment suitable for first-year students is reported. In this activity, students use a molecular modeling program to compute infrared spectra for a series of molecules. From the data obtained, students generate a group frequency chart and use i
Publikováno v:
Chemical Physics Letters. 188:187-193
The luminescence spectra of C 60 and C 70 have been recorded in glassy toluene solution at 77 K and as neat solids at 5 K. The C 70 spectrum consists of two band systems each with resolved vibronic structure. The red system of C 70 begins at 15012 cm
Publikováno v:
The Journal of Physical Chemistry. 94:3261-3265
The nonaqueous oxidation of SO{sub 2} on various solid catalysts was investigated in the presence of oxygen and ozone. The amount of product formed was investigated as a function of catalyst mass and the duration of experiment. For alumina catalysts
Autor:
Pamela Bergquist, Robert L. Kuczkowski, Hassan Badawi, Primož Lorenčak, Tracy L. Smithson, Hal Wieser, Scott P. Sibley, Thomas Eggimann
Publikováno v:
Canadian Journal of Chemistry. 68:267-271
The structure of 8-oxabicyclo[3.2.1]octane was calculated by abinitio means at the STO-3G level, and the structural data used to assign the microwave spectrum of the title compound in the range of 26.5 to 40 GHz fitting 144 lines up to J = 48 by adju
Publikováno v:
The Journal of Physical Chemistry. 99:5274-5276
The equilibrium constant for complexation of C{sub 60} and aniline in toluene has been determined by UV/vis spectroscopy, with a value of K = 0.28 +- 0.04 obtained. The first extracted and well-defined charge-transfer (CT) bands have been observed fo