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Updated: Jan 9, 2026
10:52
Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex
Published on: July 27, 2022
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Laboratory Rotational Spectroscopy of CaC3N and CaC4H
T Gur1, P B Changala2, J H Baraban1
1Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva 8410501, Israel.
The Journal of Physical Chemistry. A
|December 4, 2025
Summary
Researchers studied calcium-bearing molecules in space. They analyzed CaC3N and CaC4H, providing data to help detect these molecules and explore their potential for optical cooling applications.
Area of Science:
- Astrochemistry
- Molecular Spectroscopy
- Interstellar Medium
Background:
- Limited spectroscopic data hinders identification of metal-bearing molecules in space.
- Calcium is abundant but few calcium-bearing molecules are detected in stars.
Purpose of the Study:
- To report rotational, fine, and hyperfine structure of two linear calcium-bearing molecules.
- To aid astronomical identification and detection of these molecules.
- To explore potential applications in optical cooling.
Main Methods:
- Rotational spectroscopy
- Analysis of fine and hyperfine structure
- Theoretical calculations (implied)
Main Results:
- Detailed spectroscopic data for CaC3N and CaC4H in their 2Σ+ ground states.
- Confirmation of ionic metal-ligand bonding characteristics.
- Identification of potential observational targets in carbon-rich stars.
Conclusions:
- The study provides crucial data for detecting CaC3N and CaC4H in interstellar space.
- Findings support the ionic nature of metal-ligand bonds in these molecules.
- These molecules show promise for optical cooling technologies.
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