Research

Frequency ranges
	Microwaves (3-40 GHz)
	Millimeterwaves (40-110 GHz)

Techniques
	Fouriertransform techniques
	STARK and source modulation
	Molecular beams and static gases

Setup

Microwave and Millimeterwave Spectroscopy

Molecular Systems
	Free molecules in the gas phase
	Hydrogen bonded clusters
	Van der Waals clusters

Results
	Molecular geometries
	Nuclear quadrupole coupling constants
	Torsional potentials
	Dipole moments

decspec

Theory and Program Development

Theory of rotational spectra

Large amplitude motions in molecules

Nuclear quadrupole coupling

potential