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‘Balanace’ and predictive capability in approximate molecular orbital theory

✍ Scribed by R.D. Brown; P.G. Burton


Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
410 KB
Volume
20
Category
Article
ISSN
0009-2614

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✦ Synopsis


Funciamcn?ol inndequacics are elucidated in many current MO methods by consideration of the 'essential S~IUCtural elements' of the LCAO SCF Fock matrices. New guidelines are proposed for economization in near-ab-initio MO schemes, and r~ new balanced and quantitative MO formalism suitable for completely theoretical parameuiztion is derived.


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Oprirnized metal-lipnd bond dlstdnccs IXW been obrained for fitecn transition metal compie\es using PRDDO, an nppro\imatc molcculm orbital method. Of the twenty-nine unique distances, only six are in error by more than 0.05 A, and the average error is =0.03 \_a.