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Why the Lower-Energy Term of Singlet Dioxygen Has a Doubly Occupied π* Orbital
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Abstract
The singlet term of dioxygen with one doubly occupied π* orbital has lower energy than the singlet term with two singly occupied π* orbitals even though single occupancy is favored in the aufbau of atoms. A simple physical explanation based on orbital angular momentum explains this double occupancy.
Keywords (Audience):
Second-Year UndergraduateKeywords (Domain):
Inorganic ChemistryKeywords (Feature):
Research: Science and EducationKeywords (Pedagogy):
Misconceptions / Discrepant EventsKeywords (Subject):
MO TheoryCiting Articles
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
The Properties of Oxygen Investigated with Easily Accessible Instrumentation
Manfred Adelhelm, Natasha Aristov and Achim HabekostJournal of Chemical Education2010 87 (1), 40-44The Properties of Oxygen Investigated with Easily Accessible Instrumentation
Manfred Adelhelm, Natasha Aristov and Achim HabekostJournal of Chemical Education2010 87 (1), 40-44The physical properties of oxygen, in particular, the blue color of the liquid phase, the red glow of its chemiluminescence, and its paramagnetism as shown by the entrapment or deflection of liquid oxygen by a magnetic field, can be investigated in a ...
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- Received: August 03, 2009
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