Quantum Mechanics of Beryllium Hydride

Clarence E. Ireland

doi:10.1103/PhysRev.43.329

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Quantum Mechanics of Beryllium Hydride

Clarence E. Ireland

University of Illinois

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Phys. Rev. 43, 329 – Published 1 March, 1933

DOI: https://doi.org/10.1103/PhysRev.43.329

Abstract

The interaction of a normal hydrogen atom with a beryllium atom having the electronic configurations $2 s 2 s$ and $2 s 2 p$ , respectively, has been studied by the application of a modified Heitler-London method. It is shown that for beryllium in the ${}^{1}S$ atomic state, the resulting ${}^{2}Σ$ molecular state is repulsive. For beryllium in the ${}^{3}P$ atomic state, the ${}^{4}Π$ and ${}^{4}Σ$ molecular states are repulsive, and the ${}^{2}Π$ and ${}^{2}Σ$ states are attractive. For beryllium in the ${}^{1}P$ atomic state both the ${}^{2}Π$ and ${}^{2}Σ$ molecular states are found to be repulsive. However, when the interaction between the ${}^{2}Σ ({}^{3}P + {}^{2}S)$ and the ${}^{2}Σ ({}^{1}S + {}^{2}S)$ molecular states is taken into account the lowest ${}^{2}Σ$ state is found to be attractive. The calculated heats of dissociation for the attractive states are in poor agreement with the extrapolated values from the band system.

References (8)

J. H. Bartlett, Jr., Phys. Rev. 37, 507 (1931)
J. H. Bartlett, Jr., and W. H. Furry, Phys. Rev. 38, 1615 (1931)
W. H. Furry and J. H. Bartlett, Jr., Phys. Rev. 39, 210 (1932)
W. H. Furry, Phys. Rev. 39, 1015 (1932)
E. Hutchisson and M. Muskat, Phys. Rev. 40, 340 (1932)
Clarence Zener, Phys. Rev. 36, 51 (1930)
Ernst Olsson, Zeits. f. Physik 73, 732 (1932)
R. S. Mulliken, Rev. Mod. Phys. 4, 8 (1932)

[c1] J. H. Bartlett, Jr., Phys. Rev. 37, 507 (1931)

[c2] J. H. Bartlett, Jr., and W. H. Furry, Phys. Rev. 38, 1615 (1931)

[c3] W. H. Furry and J. H. Bartlett, Jr., Phys. Rev. 39, 210 (1932)

[c4] W. H. Furry, Phys. Rev. 39, 1015 (1932)

[c5] E. Hutchisson and M. Muskat, Phys. Rev. 40, 340 (1932)

[c6] Clarence Zener, Phys. Rev. 36, 51 (1930)

[c7] Ernst Olsson, Zeits. f. Physik 73, 732 (1932)

[c8] R. S. Mulliken, Rev. Mod. Phys. 4, 8 (1932)

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Quantum Mechanics of Beryllium Hydride

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References (8)

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