Thermodynamic responses of electronic systems

Area of Science:

• Theoretical Chemistry
• Chemical Physics
• Computational Chemistry

Background:

• Understanding chemical reactivity is fundamental to chemistry.
• Existing theories often focus on specific conditions, limiting their applicability.
• A unified framework for diverse chemical interactions is needed.

Purpose of the Study:

• To present a theoretical framework for describing chemical reactivity across various interactions.
• To introduce key reactivity indicators based on system state functions.
• To explore the utility of these indicators in understanding chemical processes.

Main Methods:

• Utilizing the framework of temperature-dependent chemical reactivity theory.
• Defining reactivity indicators as responses of state functions (energy, grand potential) to system variables (electron number/chemical potential, external potential, temperature).
• Calculating the response of average electron density to perturbations.

Main Results:

• Developed computable formulas for key reactivity indicators.
• Demonstrated the framework's ability to describe diverse interactions between electronic systems and reagents.
• Showcased the chemical utility of reactivity indicators for analyzing electronic, electrostatic, and thermal changes.

Conclusions:

• The temperature-dependent chemical reactivity theory provides a comprehensive approach to understanding chemical interactions.
• Reactivity indicators derived from this theory offer valuable insights into chemical processes.
• The framework facilitates the analysis of complex electronic, electrostatic, and thermal phenomena in chemistry.