2003Journal of Tianshui Normal UniversityRequires access

Evolution and Development of Valence-Bond Theory

Yan Shicai

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Abstract

Valence-bond theory was formed on the basis of the classical ideas of valence bond. VB theory and molecular orbital(MO) Theory are the two most influential quantum-mechanical theories of chemical structure and nature of the chemical bond nowadays. VB theory has continued to develop over years. VB problems are resolved or are being solved. VB theory is a useful tool for chemical thinking. VB and MO theories play complementary and coordinate roles in explaining the nature of chemical bond. It is likely that the two theories will be made a unified version for use some day.

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What this paper is about

Valence-bond theory was formed on the basis of the classical ideas of valence bond. VB theory and molecular orbital(MO) Theory are the two most influential quantum-mechanical theories of chemical structure and nature of the chemical bond nowadays. VB theory has continued to develop over years. VB problems are resolved or are being solved. VB theory is a useful tool for chemical thinking. VB and MO theories play complementary and coordinate roles in explaining the nature of chemical bond. It is likely that the two theories will be made a unified version for use some day.

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Available abstract

Valence-bond theory was formed on the basis of the classical ideas of valence bond. VB theory and molecular orbital(MO) Theory are the two most influential quantum-mechanical theories of chemical structure and nature of the chemical bond nowadays. VB theory has continued to develop over years. VB problems are resolved or are being solved. VB theory is a useful tool for chemical thinking. VB and MO theories play complementary and coordinate roles in explaining the nature of chemical bond. It is likely that the two theories will be made a unified version for use some day.

Key concepts: Modern valence bond theory, Valence bond theory, Chemical bond, Generalized valence bond, Bond, Valence (chemistry), Quantum chemical, Orbital hybridisation

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