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Updated: Jul 12, 2026

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Condensed-matter energetics from diatomic molecular spectra
A single function accurately models interatomic separation for diatomic molecules and condensed matter binding energies. This finding aids in developing new condensed-matter equations of state.
Area of Science:
- Physics
- Materials Science
- Quantum Chemistry
Background:
- Understanding interatomic forces is crucial for predicting material properties.
- Existing models often differ for molecular and condensed phases.
Purpose of the Study:
- To identify a universal function describing interatomic energy dependence.
- To explore the applicability of this function across different states of matter.
Main Methods:
- Analysis of molecular spectra data.
- Analysis of crystal compression data.
Main Results:
- A single empirical function accurately describes potential energy in diatomic molecules.
- The same function effectively models cohesive binding energy in condensed matter.
- This unified description holds across diverse conditions and material types.
Conclusions:
- A universal relationship exists between interatomic separation and energy.
- This finding can enhance condensed-matter equations of state.
- Further theoretical investigation is recommended to understand the underlying physics.
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