The millimeter-wave spectrum of25MgNC and 26MgNC: bonding in magnesium isocyanides

M. A. Anderson, L. M. Ziurys

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

Rotational spectra of the 25Mg and 26Mg isotopomers of MgNC have been recorded in the frequency range 298-386 GHz using millimeter/sub-millimeter direct absorption spectroscopy. The species were created in their natural isotopic ratios in a dc discharge of cyanogen gas and magnesium vapor. Rotational and fine structure parameters were determined for these radicals, as well as magnesium 25 hyperfine constants for 25MgNC. For this isotopomer, bF ≈ -298(16), indicating a large electron density at the nucleus and an ionic type Mg+NC- structure, as expected for a linear configuration. R0 bond lengths were also derived, which are in good agreement with theoretical calculations.

Original languageEnglish (US)
Pages (from-to)164-170
Number of pages7
JournalChemical Physics Letters
Volume231
Issue number2-3
DOIs
StatePublished - Dec 23 1994
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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