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Published on: April 24, 2014
Electronic Spectrum of the Antimony Monoxide Radical
Singh1, Venkatasubramanian, Gopal
1Spectroscopy Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India
High-resolution spectroscopy of antimony monoxide (SbO) has revealed new details about its electronic transitions. This study uniquely identifies the symmetry of the C state, providing accurate molecular constants for SbO.
Area of Science:
- Molecular Spectroscopy
- Quantum Chemistry
- Atomic Physics
Background:
- Antimony monoxide (SbO) is a diatomic molecule with complex electronic structures.
- Understanding the electronic transitions and molecular constants of SbO is crucial for various chemical and physical applications.
Purpose of the Study:
- To perform a high-resolution spectroscopic analysis of specific SbO electronic transitions.
- To determine the symmetry of the C state and accurate rotational constants for involved electronic states.
Main Methods:
- High-resolution photography of selected SbO bands using the (121)Sb isotope.
- Unambiguous analysis of the rotational structure of photographed bands.
- Determination of the Lambda doubling constant p(0) for the X(1)(2)Pi(1/2) state.
- Global linear least-squares fitting to determine accurate rotational constants.
Main Results:
- Detailed analysis of the B(2)Sigma(+)-X(2)(2)Pi(3/2), H(2)Pi(3/2)-X(2)(2)Pi(3/2), B(2)Sigma(+)-X(1)(2)Pi(1/2), and C(2)Sigma(-)-X(1)(2)Pi(1/2) transitions of SbO.
- First-time unambiguous analysis of the rotational structure for these SbO bands.
- Unique identification of the C state symmetry as C(2)Sigma(-).
- Accurate determination of rotational constants for all involved electronic states.
Conclusions:
- The study provides a comprehensive spectroscopic characterization of SbO.
- The determined molecular constants and state symmetry advance the understanding of SbO's electronic properties.
- This research offers valuable data for theoretical and experimental studies involving SbO.
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