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Int. J. Mol. Sci. 2010, 11(11), 4227-4256; doi:10.3390/ijms11114227

The Bondons: The Quantum Particles of the Chemical Bond

1 Laboratory of Computational and Structural Physical Chemistry, Chemistry Department, West University of Timişoara, Pestalozzi Street No.16, Timişoara, RO-300115, Romania 2 Theoretical Physics Institute, Free University Berlin, Arnimallee 14, 14195 Berlin, Germany
Received: 23 August 2010 / Revised: 11 October 2010 / Accepted: 21 October 2010 / Published: 28 October 2010
(This article belongs to the Special Issue Atoms in Molecules and in Nanostructures)
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By employing the combined Bohmian quantum formalism with the U(1) and SU(2) gauge transformations of the non-relativistic wave-function and the relativistic spinor, within the Schrödinger and Dirac quantum pictures of electron motions, the existence of the chemical field is revealed along the associate bondon particle  characterized by its mass (mΒ), velocity (vΒ), charge (eΒ), and life-time (tΒ). This is quantized either in ground or excited states of the chemical bond in terms of reduced Planck constant ħ, the bond energy Ebond and length Xbond, respectively. The mass-velocity-charge-time quaternion properties of bondons’ particles were used in discussing various paradigmatic types of chemical bond towards assessing their covalent, multiple bonding, metallic and ionic features. The bondonic picture was completed by discussing the relativistic charge and life-time (the actual zitterbewegung) problem, i.e., showing that the bondon equals the benchmark electronic charge through moving with almost light velocity. It carries negligible, although non-zero, mass in special bonding conditions and towards observable femtosecond life-time as the bonding length increases in the nanosystems and bonding energy decreases according with the bonding length-energy relationship Ebond[kcal/mol]*Xbond[A]=182019, providing this way the predictive framework in which the particle may be observed. Finally, its role in establishing the virtual states in Raman scattering was also established.
Keywords: de Broglie-Bohm theory; Schrödinger equation; Dirac equation; chemical field; gauge/phase symmetry transformation; bondonic properties; Raman scattering de Broglie-Bohm theory; Schrödinger equation; Dirac equation; chemical field; gauge/phase symmetry transformation; bondonic properties; Raman scattering
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Putz, M.V. The Bondons: The Quantum Particles of the Chemical Bond. Int. J. Mol. Sci. 2010, 11, 4227-4256.

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