Aufsatz
Redox reactions of group 5 elements, including element 105, in aqueous solutions
Zusammenfassung
Standard redox potentials E^0(M^z+x/M^z+) in acidic solutions for group 5 elements including element 105 (Ha) and the actinide, Pa, have been estimated on the basis of the ionization potentials calculated via the multiconfiguration Dirac-Fock method. Stability of the pentavalent state was shown to increase along the group from V to Ha, while that of the tetra- and trivalent states decreases in this direction. Our estimates have shown no extra stability of the trivalent state of hahnium. Element 105 should form mixed-valence complexes by analogy with Nb due to the similar values of their potentials E^0(M^3+/M^2+). The stability of the maximumoxidation state of the elements decreases in the direction 103 > 104 > 105.
Zitierform
In: The Journal of Physical Chemistry. - Washington, DC : Soc.. - Easton, Pa., 96.1992, S. 11096 - 11101Zitieren
@article{urn:nbn:de:hebis:34-2008102224715,
author={Ionova, Galina V. and Pershina, Valerija G. and Johnson, Elijah and Fricke, Burkhard and Schädel, Matthias},
title={Redox reactions of group 5 elements, including element 105, in aqueous solutions},
year={1992}
}
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2008-10-22T07:39:36Z 2008-10-22T07:39:36Z 1992 0022-3654 0092-7325 urn:nbn:de:hebis:34-2008102224715 http://hdl.handle.net/123456789/2008102224715 679440 bytes application/pdf eng Urheberrechtlich geschützt https://rightsstatements.org/page/InC/1.0/ 530 Redox reactions of group 5 elements, including element 105, in aqueous solutions Aufsatz Standard redox potentials E^0(M^z+x/M^z+) in acidic solutions for group 5 elements including element 105 (Ha) and the actinide, Pa, have been estimated on the basis of the ionization potentials calculated via the multiconfiguration Dirac-Fock method. Stability of the pentavalent state was shown to increase along the group from V to Ha, while that of the tetra- and trivalent states decreases in this direction. Our estimates have shown no extra stability of the trivalent state of hahnium. Element 105 should form mixed-valence complexes by analogy with Nb due to the similar values of their potentials E^0(M^3+/M^2+). The stability of the maximumoxidation state of the elements decreases in the direction 103 > 104 > 105. open access In: The Journal of Physical Chemistry. - Washington, DC : Soc.. - Easton, Pa., 96.1992, S. 11096 - 11101 Ionova, Galina V. Pershina, Valerija G. Johnson, Elijah Fricke, Burkhard Schädel, Matthias
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