Near-Degeneracy between the Low- and High-Spin States in an Alternant Hydrocarbon Diradical: Topology and Geometry

Andrzej Rajca, Suchada Utamapanya, Donald J. Smithhisler

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Treatment of polyarylmethyl diethers with lithium metal in THF gave the corresponding carbodianions; subsequent oxidation with iodine at 180 K produced diradicals, which were studied in frozen THF solutions by SQUID magnetometry in the 2–100 K temperature and 0–5.5 T magnetic field ranges. Magnetization dependence on both the temperature and magnetic field was compared to the model based upon the Heisenberg Hamiltonian plus mean field. Small intramolecular magnetic interactions were found; both diradicals are triplet ground states.

Original languageEnglish (US)
Pages (from-to)5650-5652
Number of pages3
JournalJournal of Organic Chemistry
Volume58
Issue number21
DOIs
StatePublished - Jan 1 1993

Fingerprint

Hydrocarbons
Topology
Magnetic fields
Hamiltonians
Geometry
SQUIDs
Lithium
Iodine
Ground state
Magnetization
Temperature distribution
Metals
Oxidation
Temperature
Magnetometry

ASJC Scopus subject areas

  • Organic Chemistry

Cite this

Near-Degeneracy between the Low- and High-Spin States in an Alternant Hydrocarbon Diradical : Topology and Geometry. / Rajca, Andrzej; Utamapanya, Suchada; Smithhisler, Donald J.

In: Journal of Organic Chemistry, Vol. 58, No. 21, 01.01.1993, p. 5650-5652.

Research output: Contribution to journalArticle

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