FUNDAMENTAL CONFIGURATIONS IN Mo IV SPECTRUM.

Abstract

The spectrum of Mo IV was produced in a sliding-spark discharge and photographed with the 10. 7 m normal-incidence vacuum spectrograph at the NBS in the 600-3200 A spectral region. All 35 levels of the 4d**3 and 4d**25s even configurations and all 45 of the levels of the 4d**25p odd configuration have been established from the 514 classifications in the 800-3150 A region. Parametric calculations have been made for the even level systems with configuration interaction and for the odd configuration.