Rotational Magnetic Moment of OCS

Abstract

The first-order molecular Zeeman effect on the $J=0\mathrm{}\to J=1\mathrm{}$ and $J=1\mathrm{}\to J=2\mathrm{}$ rotational transitions in OCS is measured by using high-resolution microwave techniques. The $g$ value obtained for the $J=0\mathrm{}\to J=1\mathrm{}$ transition gives the $g$ value for the $J=1\mathrm{}$ rotational state. The value is $g=-0.02851\mathrm{}\pm 0.0004$. The $g$ value obtained for the $J=1\mathrm{}\to J=2\mathrm{}$ transition is an average $g$ value for the $J=1\mathrm{}$ and $J=2\mathrm{}$ states. The result is $g=-0.02915\mathrm{}\pm 0.0005$. The results are in good agreement with the molecular beam work.