Revised and extended analysis of I VI

The spectrum of iodine was photographed on a 3-m normal incidence spectrograph at the Antigonish laboratory using a triggered spark source in the 300-1200 Angstrom region. Eleven out of twelve levels of the 5p5d configuration and all four levels of the 5p6s configuration of I VI have been established. The missing level 5p(21)S(0) has been located and two levels 5s5d D-1(2) and 5s6s(1)S(0) reported earlier have been revised. The beam foil spectra obtained at the University of Alberta in Edmonton complemented the spark data The least-square-fitting (LSF) and Hartree-Fock calculations were carried out to interpret the level scheme. Sixty-six new lines have been classified in this spectrum.