- About
-
The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 11 to 20 of 100 (0.05 seconds)| 11 |
Microwave spectroscopy of weakly bound complexes and high resolution infrared studies of the nu(6) and nu(8) bands of formic acid.Bumgarner, Roger Eugene. January 1988 (has links)
The first part of this dissertation covers the microwave spectroscopy of the weakly bound complexes HI-HF, H₂S-SO₂, Ar-H₂S, and N₂O-HF. These molecules were investigated using a Flygare-Balle type pulsed-beam Fabry-Perot Fourier-transform microwave spectrometer. The spectrometer and its construction are described. The HI-HF complex was found to be hydrogen bonded through the hydrogen of the HF. The hydrogen bond length was found to be 2.720A with a structure such that the monomer bonds form an acute angle of 70°. For H₂S-SO₂ a structure with a S-S distance of 3.67A and H-O distances of 3.1A was obtained. It was established that the hydrogens of H₂S are equivalent is this species. A new set of transitions for Ar-HDS were observed indicating that the hydrogens in this molecule are not equivalent. Several new transitions were also observed for Ar-H₂³⁴S, Ar-H₂S and Ar-D₂S. New insight into the structure of the Ar-H₂S molecule was obtained. Several new transitions for the bent isomer of N₂O-HF were measured and a fit of the ground state constants for this species was performed including quartic distortion constants. The resulting fit improves calculated line centers by two orders of magnitude over previous results. The second part of this dissertation covers the infrared spectroscopy of the ν₆ and ν₈ bands of formic acid. Fourier transform data for these bands were obtained at 0.01 cm⁻¹ resolution using the spectrometer at the Kitt Peak National solar observatory. Diode laser data at 0.001 cm⁻¹ was obtained for the ν₈ band. A two state a-type Coriolis coupled Hamiltonian was used to perform a global fit on all the available data. A greatly improved set of spectroscopic parameters for these two bands were obtained. This new set of parameters has allowed several previously unassigned far I.R. laser and I.R. laser saturation lines to be assigned. Using these improved constants, it should be possible to predict the frequencies for several formic acid far I.R. laser transitions which are not yet accurately measured.
|
| 12 |
STRUCTURE OF MONO-DEUTERATED PHOSPHINE.Schaum, LeRoy Alfred. January 1982 (has links)
No description available.
|
| 13 |
Near-dissociation studies of diatomic cluster ionsPyne, Christopher Hugh January 1994 (has links)
No description available.
|
| 14 |
Multi-frequency microwave spectroscopy on a silicon single-electron transistorErfani, Morteza January 2011 (has links)
No description available.
|
| 15 |
Design and construction of a microwave paramagnetic resonance spectrographCooper, DeWitt Wetzel, 1931- January 1958 (has links)
No description available.
|
| 16 |
Studies of magnetic effects of IClStalder, Arnold Frederick 05 1900 (has links)
No description available.
|
| 17 |
The quantitative analysis of gaseous mixtures via microwave line intensity measurementsPatterson, Ralph Alan 08 1900 (has links)
No description available.
|
| 18 |
Quadrupole hyperfine structure in the microwave spectra of phosphorous trichloride and phosphoryl chlorideNave, Carl Rodney 08 1900 (has links)
No description available.
|
| 19 |
Determination of the electric dipole moments of cfcl [sub 3] and chcl [sub 3]Reinhart, Philip Benton 08 1900 (has links)
No description available.
|
| 20 |
The microwave spectrum of CHC1F₂ and the Stark effect of CHC1F₂, CC1F₃, and NOC1Beeson, Edward Lee 08 1900 (has links)
No description available.
|
Page generated in 0.056 seconds