The Pure Rotational Spectra of TiO(X³) and TiN(X²⁺)

Authors: Namiki K-i.^{1, 2}; Saito S.¹; Robinson J.S.²; Steimle T.C.²

Source: Journal of Molecular Spectroscopy, Volume 191, Number 1, September 1998 , pp. 176-182(7)

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Abstract:

The pure rotational transitions in the 220–460 GHz spectral range of TiO (X³ Dgr _r) and TiN(X² Sgr ⁺) have been observed using a source-modulated submillimeter-wave spectrometer. In addition, the two lowest rotational transitions of TiO at 63 and 94 GHz have been observed using molecular beam pump/probe microwave optical double resonance (PPMODR) technique. An improved set of spectroscopic parameters for TiO(X³ Dgr ) was generated by combining the new PPMODR and submillimeter-wave absorption measurements. Similarly, an improved set of spectroscopic parameters for TiN(X² Sgr ⁺) was generated by combining the new submillimeter-wave absorption measurements with the previously recorded PPMODR measurements (D. A. Fletcher, C. T. Scurlock, K. Y. Jung, and T. C. Steimle, 1993,J. Chem. Phys.99, 4288). The determined Lgr -type doubling parameter for the TiO(X³ Dgr ) is compared with the theoretical model.Copyright 1998 Academic Press.

Language: English

Document Type: Research article

DOI: http://dx.doi.org/10.1006/jmsp.1998.7634

Affiliations: 1: The Graduate University for Advanced Studies and Institute for Molecular Sciences, Myodaiji, Okazaki, 444, Japan 2: Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona, 85287-1604

Publication date: 1998-09-01