Rotationally Resolved Magnetic Vibrational Circular Dichroism of Hydrogen Chloride and Deuterium Chloride

✍ Scribed by C.N. Tam; T.A. Keiderling

• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 541 KB
• Volume: 157
• Category: Article
• ISSN: 0022-2852
• DOI: 10.1006/jmsp.1993.1031

✦ Synopsis

The magnetic vibrational circular dichroism (MVCD) spectra of (\mathrm{HCl}) and (\mathrm{DCl}) are presented. The average rotational (g)-value of (\mathrm{H}^{35} \mathrm{Cl}) in the first excited vibrational states was determined to be 0.451 and 0.449 for the (P) and (R) branches, respectively, using moment analysis of the MVCD bandshapes. In addition, the (g_{J})-values of (\mathrm{H}^{37} \mathrm{Cl}, \mathrm{D}^{35} \mathrm{Cl}), and (\mathrm{D}^{37} \mathrm{Cl}) were measured for the first

(g_{j})-values for the ground state of (\mathrm{H}^{35} \mathrm{Cl}) and with theoretically calculated (g_{J})-values for the other isotopomers. The results show that MVCD can provide an alternative method to microwave spectroscopy or molecular beam magnetic resonance spectroscopy for determining rotational (g) values. ic 1993 Academic Press. Inc.