Penning ionization of formaldehyde (HCHO), ethylene (CH2CH2), and acrolein
(CH2CHCHO) upon collision with metastable He*(23S) atoms was studied by collision …

This is a brief survey of studies on exterior characteristics of molecules conducted by means
of atomic probes, mostly by metastable states of rare gas atoms in collisional ionization …

Penning ionization of propionitrile (CH3CH2C⋮ N), acrylonitrile (CH2 CHC⋮ N), and 3-
butenenitrile (CH2 CHCH2C⋮ N) upon collision with He*(23S) metastable atoms has been …

The unstable acetonitrile N-oxide molecule, CH3CNO, has been thermolytically generated
in very high yield in the gas phase from its stable ring dimer, dimethylfuroxan, and studied by …

Penning ionization of thiophene, furan, and pyrrole upon collision with He*(23S) metastable
atoms was studied by collision-energy-resolved Penning ionization electron spectroscopy. A …

The electronic structure and Penning ionization of NNO, HCNO, and HNNN upon collision
with He*(23S) metastable atoms were studied using He I photoelectron and two …

The cyanogen N-oxide molecule NCCNO was recently identified for the first time in the gas
phase. In the present work, NCCNO, generated from its stable ring dimer dicyanofuroxan by …

Pure gaseous methyl cyanate, CH3OCN, has been generated from the gas/solid reaction of
O-methyl thiocarbamate with mercuric oxide; excess water is removed in-situ with P2O5 …

Dicyanofuroxan (3, 4-dicyano-1, 2, 5-oxadiazole 2-oxide), the precursor to the novel
NCCNO species, has been studied in the solid and gas phases to obtain both structural and …

Excited metastable atoms colliding with target molecules can sensitively probe outer
properties of molecules by chemi-ionization (Penning ionization) from molecular orbitals in …