The pure rotational spectrum of thorium monosulfide, ThS

Timothy Steimle, Ruohan Zhang, Michael C. Heaven

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The separated field, pump/probe microwave optical double resonance technique was used to study the pure rotational transitions of Th32S X1Σ+. This is the first example of a microwave study of an actinide compound that is not an oxide. Eight rotational lines of ThS were observed, from which the rotational constants B = 3275.05033 ± 0.00041 and D = 0.0006699 ± 0.0000012 MHz were derived. Favorable comparisons with theoretical predictions support the assumption that computationally inexpensive density functional theory methods can provide reliable predictions for ground states of actinide-containing molecules.

Original languageEnglish (US)
Pages (from-to)304-306
Number of pages3
JournalChemical Physics Letters
StatePublished - Oct 16 2015

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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