Microwave Spectra of the ZnH and ZnD Radicals in the X2Σ+ State

✍ Scribed by M. Goto; K. Namiki; S. Saito

• Publisher: Elsevier Science
• Year: 1995
• Tongue: English
• Weight: 270 KB
• Volume: 173
• Category: Article
• ISSN: 0022-2852
• DOI: 10.1006/jmsp.1995.1259

✦ Synopsis

Rotational spectra of zinc monohydride and deuteride in the (X^{2} \Sigma^{+})vibronic ground state were observed by using a source-modulated submillimeter-wave spectrometer. The zinc hydride or deuteride radical was generated in the heat-pipe stainless steel cell by dc glow discharge in a mixture of zinc vapor and (\mathrm{H}{2}) or (\mathrm{D}{2}) gas, respectively. Five to six fine and hyperfine components of the (N=1-0) transition of zinc monohydrides for the three isotopic species of ({ }^{64} \mathrm{Zn}), ({ }^{66} \mathrm{Zn}), and ({ }^{68} \mathrm{Zn}) were measured in the frequency region of 380 to (400 \mathrm{GHz}), and 10 to 14 components of the (N=1-0) and 2-1 transitions of deuterides were measured in the frequency regions around 200 and (400 \mathrm{GHz}), respectively. The molecular constants including the rotational constants, centrifugal distortion constants, spin-rotation coupling constants with their centrifugal distortion terms, and hyperfine coupling constants for the hydrogen and deuterium nuclei were precisely determined. (c) 1995 Academic Press. Inc.