Theoretical framework demonstrates reconciliation of molecular orbital and valence bond models via bipartite electron superposition, indicating unified resolution of chemical bonding dichotomies.
The macroscopic physicochemical behavior of molecular entities represents a highly esoteric interplay of electrostatic phenomenologies, strict topological constraints, and quantum mechanical wave superpositions. The theoretical discourse surrounding the chemical bond has been profoundly bifurcated throughout the 20th and 21st centuries, stymieing a unified conceptualization of molecular reality. On one precipice of this dichotomy lies the localized, intuitively potent, yet mathematically truncated Valence Bond Theory (VBT). VBT relies vehemently on discrete overlapping atomic orbitals and fictitious resonance structures to elucidate chemical reactivity, yet fails catastrophically to predict spectroscopic signatures or macroscopic paramagnetism. On the opposing precipice resides Molecular Orbital Theory (MOT), a mathematically rigorous formalism utilizing the Linear Combination of Atomic Orbitals (LCAO ) to successfully derive global paramagnetism and continuous delocalization. However, standard MOT collapses into absurdity at the asymptotic bond dissociation limit, spuriously predicting that homonuclear nonpolar bonds dissociate into unphysical superpositions of highly energetic ionic fragments. Operating in parallel is the Valence Shell Electron Pair Repulsion (VSEPR) model, a purely empirical electrostatic heurism that accurately maps three-dimensional molecular architecture but fundamentally lacks a rigorous quantum mechanical bedrock. To unequivocally resolve this epistemological fragmentation, The Unified Quantum-Geometric Bonding Theory (UQGBT) is formally proposed herein as a bipartite electron superposition model. Governed inherently by topological Pauli repulsion and the dynamic interference of multielectron wavefunctions, this comprehensive framework is engineered specifically to reconcile the historical schism between macroscopic molecular orbital delocalization and the phenomenological, localized structural scaffold of the valence bond approach. By rigorously asserting that electrons exhibit both localized particle-like repulsion dictating structural geometry and continuous wave-like delocalization dictating equilibrium thermodynamics, UQGBT establishes a singular, completely integrated mathematical topology capable of elucidating chemical reactivity, solid-state physics, and non-adiabatic electronic transition states.
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Raman Chapagain (2026) studied this question.
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