Thematic Exordium for Special Issue "Density Functional Theory Application on Chemical Calculation"

Area of Science:

• Quantum chemistry
• Theoretical chemistry
• Computational chemistry

Background:

• The origins of quantum chemistry trace back to 1926.
• Erwin Schrödinger's seminal contributions laid the groundwork for the field.
• Early developments were driven by the need to explain chemical phenomena using quantum mechanics.

Discussion:

• The evolution of quantum chemistry has been marked by theoretical advancements and computational power.
• Key methodologies include Hartree-Fock, Density Functional Theory (DFT), and coupled-cluster methods.
• These methods enable the accurate prediction of molecular properties and reaction pathways.

Key Insights:

• Quantum chemistry provides a fundamental understanding of chemical bonding and reactivity.
• It allows for the simulation of molecular behavior, aiding in drug design and materials science.
• Accurate predictions reduce the need for extensive experimental work.

Outlook:

• Future directions involve developing more efficient and accurate quantum algorithms.
• The integration of machine learning is poised to accelerate discovery in chemical research.
• Applications are expanding into areas like catalysis, spectroscopy, and supramolecular chemistry.