Accession Number : AD0644572

Title :   MICROWAVE SPECTROSCOPY AND QUANTUM MECHANICAL CALCULATIONS FOR VERY SMALL ATOMS AND MOLECULES.

Descriptive Note : Final rept., 1 Oct 56-30 Sep 66,

Corporate Author : HARVARD UNIV CAMBRIDGE MASS DEPT OF CHEMISTRY

Personal Author(s) : Wilson,E. Bright

Report Date : 12 DEC 1966

Pagination or Media Count : 15

Abstract : A summary is given of experimental and theoretical accomplishments in the following areas: development of double resonance microwave techniques and their application to the testing of quantum number assignments and of relaxation phenomena in gaseous systems; design and application of a modulation type spectrometer which does not utilize the Stark effect; analysis of microwave spectra of molecules having internal rotation and extracting therefrom the barrier to internal rotation; microwave spectroscopy of 63 chemical species, with particular attention given to molecular structure and the effects of vibrational motion; quantum mechanical calculations of energy levels, especially with respect to error bounds to expectation values and to the utilization density matrix methods. A list of the 111 papers generated as a result of the work is included.

Descriptors :   (*MICROWAVE SPECTROSCOPY, MOLECULAR PROPERTIES), (*MOLECULAR ENERGY LEVELS, QUANTUM THEORY), (*ATOMIC ENERGY LEVELS, QUANTUM THEORY), NUCLEAR MAGNETIC RESONANCE, RELAXATION TIME, SPECTROMETERS, MODULATION, INTENSITY, MOLECULAR PROPERTIES, MOLECULAR STRUCTURE, CHEMICAL BONDS, VIBRATION, MOLECULAR ISOMERISM, MATRICES(MATHEMATICS), PERTURBATION THEORY, WAVE FUNCTIONS

Subject Categories : Atomic and Molecular Physics and Spectroscopy
      Quantum Theory and Relativity

Distribution Statement : APPROVED FOR PUBLIC RELEASE