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An approximate method for calculating transfer integrals based on the ZINDO Hamiltonian
Author(s) -
Kirkpatrick James
Publication year - 2007
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.21378
Subject(s) - hamiltonian (control theory) , atomic orbital , molecule , chemistry , molecular orbital , zindo , computational chemistry , localized molecular orbitals , quantum mechanics , molecular physics , physics , molecular orbital theory , electron , mathematics , mathematical optimization
In this article, we discuss a method for calculating transfer integrals for pairs of molecules based on Zerner's Independent Neglect of Differential Overlap Hamiltonian which requires only a single self‐consistent field calculation on an isolated molecule to be performed to determine the transfer integral for a pair of molecules. This method is compared with results obtained by projection of the pair of molecules' molecular orbitals onto the vector space defined by the molecular orbitals of each isolated molecule. The two methods are found to be in good agreement using three compounds as model systems: pentacene, ethylene, and hexabenzocoronene. © 2007 Wiley Periodicals, Inc. Int J Quantum Chem, 2008

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