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Additionally, valence bond theory cannot explain electronic transitions and spectroscopic properties as effectively as MO theory. Furthermore, while VBT employs hybridization to explain bonding, it can oversimplify complex bonding situations, limiting its applicability in more intricate molecular geometries such as transition metal compounds. [11]
Heitler and London's original work on VBT attempts to approximate the electronic wavefunction as a covalent combination of localized basis functions on the bonding atoms. [6] In VBT, wavefunctions are described as the sums and differences of VB determinants, which enforce the antisymmetric properties required by the Pauli exclusion principle.
In theoretical chemistry and molecular physics, Coulson–Fischer theory provides a quantum mechanical description of the electronic structure of molecules. The 1949 seminal work of Coulson and Fischer [1] established a theory of molecular electronic structure which combines the strengths of the two rival theories which emerged soon after the advent of quantum chemistry - valence bond theory ...
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VBT may refer to: . Valence bond theory, one of two foundational theories of quantum chemistry; Vijñāna Bhairava Tantra, the text in Kashmir Shaivism; Velocity based training, an approach to strength and power training
Shortly after President Biden dropped out of the race in July, the MAGA faithful theorized openly that the Biden’s weren’t actually backing Joe’s handpicked successor, Vice President Kamala ...