Ralph S. Halford

Motions of Molecules in Condensed Systems: I. Selection Rules, Relative Intensities, and Orientation Effects for Raman and Infra-Red Spectra

Ralph S. Halford · The Journal of Chemical Physics · 1946 · 439 citations

Crystal Structure, Engineering, Orientation Effects +21

Motions of Molecules in Condensed Systems: V. Classification of Motions and Selection Rules for Spectra According to Space Symmetry

Harvey Winston, Ralph S. Halford · The Journal of Chemical Physics · 1949 · 293 citations

Crystal Structure, Engineering, Geometry +22

Motions of Molecules in Condensed Systems. VII. The Infra-Red Spectra for Single Crystals of Ammonium Nitrate and Thallous Nitrate in Polarized Radiation

Roger H. Newman, Ralph S. Halford · The Journal of Chemical Physics · 1950 · 68 citations

Crystal Structure, Single Crystals, Engineering +17

Motions of Molecules in Condensed Systems. XI. Infrared Spectrum and Structure of a Single Crystal of Ethylene

C. Brecher, Ralph S. Halford · The Journal of Chemical Physics · 1961 · 65 citations

Engineering, Absorption Spectroscopy, Chemistry +17

Chemical Separation of Nuclear Isomers

E. Segrè, Ralph S. Halford, Glenn T. Seaborg · Physical Review · 1939 · 61 citations

Chemical Engineering, Engineering, Nuclear Isomers +4