The pure rotational spectrum of NaC in its X 4σ- state was recorded using millimeter/submillimeter-wave absorption spectroscopy. NaC was synthesized from the reaction of sodium vapor with methane gas in a dc discharge. Phase-locked Gunn oscillators and Schottky diode multipliers were used in combination to produce radiation in the 65-540 GHz range. Analysis of the rotational spectrum showed the development of uncertainty in the determination of spin-spin parameter in 4σ states.
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics