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Related Experiment Videos

The Pure Rotational Spectra of TiO(X3Delta) and TiN(X2Sigma+)

Namiki1, Saito, Robinson

  • 1The Graduate University for Advanced Studies and Institute for Molecular Sciences, Myodaiji, Okazaki, 444, Japan

Journal of Molecular Spectroscopy
|December 16, 1998
PubMed
Summary

Researchers observed pure rotational transitions of titanium monoxide (TiO) and titanium nitride (TiN) using advanced spectroscopy. Improved spectroscopic parameters were determined for both molecules, enhancing our understanding of their properties.

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Area of Science:

  • Molecular spectroscopy
  • Quantum chemistry
  • Astrophysical chemistry

Background:

  • Titanium monoxide (TiO) and titanium nitride (TiN) are important molecules in various chemical and astrophysical environments.
  • Accurate spectroscopic parameters are crucial for identifying and characterizing these molecules.

Purpose of the Study:

  • To observe and analyze the pure rotational transitions of TiO and TiN in the submillimeter-wave spectral range.
  • To refine the spectroscopic parameters for TiO (X3Delta) and TiN (X2Sigma+).
  • To compare the determined Lambda-type doubling parameter for TiO with theoretical models.

Main Methods:

  • Source-modulated submillimeter-wave spectroscopy (220-460 GHz).
  • Molecular beam pump/probe microwave optical double resonance (PPMODR) technique (63 and 94 GHz for TiO).

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Main Results:

  • Observed pure rotational transitions for TiO and TiN.
  • Generated improved spectroscopic parameters for TiO (X3Delta) by combining PPMODR and submillimeter-wave data.
  • Generated improved spectroscopic parameters for TiN (X2Sigma+) by combining new submillimeter-wave data with previous PPMODR measurements.
  • Determined the Lambda-type doubling parameter for TiO (X3 Delta).

Conclusions:

  • The study successfully refined spectroscopic parameters for TiO and TiN.
  • The new data provides a more accurate foundation for future studies involving these molecules.
  • Comparison with theoretical models advances the understanding of molecular interactions.