Two photon resonance enhanced multiphoton ionization spectroscopy and state assignments of the methyl radical

JW Hudgens, TG DiGiuseppe, MC Lin - The Journal of Chemical …, 1983 - pubs.aip.org
A mass resolved multiphoton ionization spectroscopy study of CH3 and CD3 has revealed
two new electronic Rydberg series in these radicals. Simultaneous absorption of two …

Geometrical structures, force constants, and vibrational spectra of SiH, SiH2, SiH3, and SiH4

WD Allen, HF Schaefer III - Chemical physics, 1986 - Elsevier
This paper reports a comprehensive theoretical examination of the re and r 0 geometrical
structures, harmonic and anharmonic vibrational frequencies, and infrared intensities ofX̃ 2 …

Jet-cooled molecular radicals in slit supersonic discharges: Sub-Doppler infrared studies of methyl radical

S Davis, DT Anderson, G Duxbury… - The Journal of chemical …, 1997 - pubs.aip.org
As highly reactive intermediates, radicals are responsible for a vast array of fundamental gas
and condensed phase processes ranging from atmospheric chemistry1 to combustion2, 3 to …

The spin polarization model for hyperfine coupling constants

DM Chipman - Theoretica chimica acta, 1992 - Springer
The simple spin polarization model for calculation of the spin densities that determine
hyperfine coupling constants in free radicals is examined. Spin-unrestricted approaches …

Validation of self‐consistent hybrid density functionals for the study of structural and electronic characteristics of organic π radicals

C Adamo, V Barone, A Fortunelli - The Journal of chemical physics, 1995 - pubs.aip.org
Extensive density functional calculations are reported for the geometrical structures,
thermochemistry, infrared, and hyperfine parameters of representative carbon‐centered π …

Theoretical study of the properties of methyl radical

DM Chipman - The Journal of Chemical Physics, 1983 - pubs.aip.org
A detailed ab initio study of the structure and properties of methyl radical in its ground
electronic state is presented. The primary focus is on the spin density distribution and its …

Direct Probes of π-Delocalization in Prototypical Resonance-Stabilized Radicals: Hyperfine-Resolved Microwave Spectroscopy of Isotopic Propargyl and …

PB Changala, PR Franke, JF Stanton… - Journal of the …, 2024 - ACS Publications
Delocalization of the unpaired electron in π-conjugated radicals has profound implications
for their chemistry, but direct and quantitative characterization of this electronic structure in …

NMR Investigations of Clostridium pasteurianum Rubredoxin. Origin of Hyperfine 1H, 2H, 13C, and 15N NMR Chemical Shifts in Iron−Sulfur Proteins As …

SJ Wilkens, B Xia, F Weinhold, JL Markley… - Journal of the …, 1998 - ACS Publications
High-level, all-electron, density functional calculations on a 104-atom model (B3LYP/6-
311G** level) have been used, in conjunction with high-resolution X-ray structural data, to …

Detection of the Silyl Radical Si by Infrared Diode-Laser Spectroscopy

C Yamada, E Hirota - Physical review letters, 1986 - APS
The silyl radical Si H 3 has been detected in a silane-discharge plasma through the
observation of the ν 2 band by infrared diode-laser spectroscopy. The band was observed to …

Spectroscopic properties of the methyl radical calculated from UHF SCEP wavefunctions

P Botschwina, J Flesch, W Meyer - Chemical Physics, 1983 - Elsevier
The potential energy surface of symmetric stretching and out-of-plane bending motions for
the methyl radical has been calculated from UHF SCEP wavefunctions. Anharmonic …