Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 1990 Nov-Dec;95(6):647-688.
doi: 10.6028/jres.095.052.

Analysis of the Spectrum of Doubly Ionized Molybdenum (Mo III)

Affiliations

Analysis of the Spectrum of Doubly Ionized Molybdenum (Mo III)

L Iglesias et al. J Res Natl Inst Stand Technol. 1990 Nov-Dec.

Abstract

The spectrum of doubly ionized molybdenum (Mo III) was produced in a sliding spark discharge and recorded photographically on the NIST 10.7-m normal incidence spectrograph in the 800-3250 Å spectral region. The analysis has led to the establishment of 76 levels of the interacting 4d4, 4d3 5s and 4d2 5s2 even configurations, 73 levels of the interacting 4d3 5d and 4d3 6s even configurations, and 181 levels of the interacting 4d3 5p and 4d2 5s5p odd configurations. Approximately 3100 lines have been classified as transitions between these experimentally determined levels. Comparison between the observed levels and those calculated from matrix diagonalizations with least-squares fitted parameters shows standard deviations of 44, 33, and 183 cm-1, respectively, for the levels of the three sets of configurations.

Keywords: energy levels; molybdenum; parameters; spectra; wavelengths.

PubMed Disclaimer

Figures

Figure 1
Figure 1
Observed energy levels of the 4d3 5d and 4d3 6s configurations. The levels are connected to show the LS terms.
Figure 2
Figure 2
Observed energy levels of the 4d2 5s5p configuration. The levels are connected to show the LS terms.

References

    1. Iglesias L, Cabeza MI, Rico FR, Kaufman V. Phys Scr. 1988;37:855.
    1. Kaufman V, Edlén B. J Phys Chem Ref Data. 1974;3:825.
    1. Cowan RD. The Theory of Atomic Structure and Spectra. U California Press; Berkeley, CA: 1981.
    1. Nielson CW, Koster GF. Spectroscopic Coefficients for the pn, dn, and fn Configurations. MIT Press; Cambridge, MA: 1963.
    1. Martin WC, Zalubas R, Hagan L. Atomic Energy Levels–The Rare-Earth Elements. Natl Stand Ref Data Ser, Natl Bur Stand (US) 1978:60.

LinkOut - more resources