Journal
JOURNAL OF COMPUTATIONAL CHEMISTRY
Volume 24, Issue 8, Pages 982-989Publisher
WILEY
DOI: 10.1002/jcc.10257
Keywords
exchange coupling; broken symmetry; density functional theory; polynuclear transition metal complexes; magnetic properties
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The application of theoretical methods based on the density functional theory with hybrid functionals provides good estimates of the exchange coupling constants for polynuclear transition metal complexes. The accuracy is similar to that previously obtained for dinuclear compounds. We present test calculations on simple model systems based on H...He and CH2...He units to compare with Hartree-Fock and multiconfigurational results. Calculations for complete, nonmodeled polynuclear transition metal complexes yield coupling constants in very good agreement with available experimental data. (C) 2003 Wiley Periodicals, Inc.
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