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Property reduction in chemistry: some lessons
1Department of Chemistry, The University of Arizona, Tucson 85721, USA. gkv@u.arizona.edu
Annals of the New York Academy of Sciences
|June 11, 2003
Summary
Molecular properties are not simply sums of atomic properties. However, quantum mechanics allows calculating molecular states from atomic states, demonstrating a form of successful property reduction that reveals underlying holism.
Area of Science:
- Quantum Chemistry
- Philosophy of Science
Background:
- Understanding the relationship between atomic and molecular properties is fundamental in chemistry.
- The concept of reductionism, where macroscopic properties are explained by microscopic constituents, is a key debate in science.
Purpose of the Study:
- To explore the relationship between atomic and molecular properties.
- To investigate whether molecular properties can be reduced to atomic properties.
- To examine the role of quantum theory in property reduction and its implications for holism.
Main Methods:
- Conceptual analysis using atoms and molecules as models for parts and wholes.
- Examination of quantum states and property calculations in quantum theory.
Main Results:
- Molecular properties are not directly reducible to atomic properties through simple addition or multiplication.
- Quantum states of molecules are derived from atomic quantum states via addition and multiplication.
- Molecular properties can be reliably calculated from atomic states within quantum theory, suggesting successful property reduction.
Conclusions:
- The successful calculation of molecular properties from atomic states in quantum theory indicates a form of property reduction.
- This successful reduction, however, is underpinned by a holistic framework inherent in quantum mechanics.
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