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A paramagnetic bonding mechanism for diatomics in strong magnetic fields
Kai K Lange1, E I Tellgren, M R Hoffmann
1Centre for Theoretical and Computational Chemistry, Department of Chemistry, University of Oslo, N-0315 Oslo, Norway.
Science (New York, N.Y.)
|July 24, 2012
Summary
Scientists discovered a new type of atomic bonding called perpendicular paramagnetic bonding. This mechanism explains how molecules like hydrogen and helium bond strongly in intense magnetic fields found in stars.
Area of Science:
- Chemical Bonding
- Astrochemistry
- Quantum Mechanics
Background:
- Covalent and ionic bonds are the two known types of strong atomic bonds.
- These bonds involve sharing or transferring valence electrons between atoms.
Purpose of the Study:
- To present a novel third mechanism of strong atomic bonding.
- To explain the bonding of molecules in extreme astrophysical environments.
Main Methods:
- Theoretical calculations were performed.
- The stabilization of antibonding orbitals in magnetic fields was analyzed.
Main Results:
- A new bonding mechanism, perpendicular paramagnetic bonding, was identified.
- This mechanism explains the strong bonding of H(2) and He(2) in high magnetic fields.
- The preferred perpendicular orientation of these molecules in magnetic fields was determined.
Conclusions:
- Perpendicular paramagnetic bonding is a distinct and significant bonding mechanism.
- This mechanism is crucial for understanding molecular behavior in stellar atmospheres and other high-field environments.
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