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solution, the intensity of C-C interactions can remain high . In the absence of mutual coordination of neptunium ions, Np(V) compounds can exhibit both structural similarity with An(VI) compounds and fundamental differences (showing a tendency to unite Np coordination polyhedra through common
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ligands provide an excellent platform for the simple and efficient synthesis of extremely rare complexes that have positively charged ligands coordinated to positively charged metals to form stable cation-cation and cation-dication coordination bonds.
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332:"Use of vibrational spectroscopy to identify the formation of neptunyl–neptunyl interactions: a paired density functional theory and Raman spectroscopy study"
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of Np(V) compounds, and the strength of cation-cation bonds between neptunoyl ions in a solid is comparable to the strength of ordinary bonds with acid
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285:"Cation-cation interaction in mixed-valent An(IV)/Np(V) tribromoacetates [An(NpO2)(H2O)3(CBr3COO)5]·CBr3COOH·nH2O, An = Th(IV), Np(IV)"
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equatorial edges. Cation-cation interactions can be detected not only by data from structural studies, but also according to
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Tulchinsky, Yuri; Kozuch, Sebastian; Saha, Prasenjit; Botoshansky, Mark; Shimon, Linda J. W.; Gandelman, Mark (2014).
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146:, although in an aqueous solution, apparently, the role There are somewhat fewer of these connections. In an
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that occur in molecular ions. It was first discovered when studying the behavior of netunium(V) compounds in
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Pyrch, Mikaela M.; Augustine, Logan J.; Williams, James M.; Mason, Sara E.; Forbes, Tori Z. (2022).
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123:, which are essentially a manifestation of specific complex formation. They are a special case of
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of uranyl perchlorate. Great impact to crystallochemistry of cation-cation bonds was made by
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379:"Actinyl cation–cation interactions in the gas phase: an accurate thermochemical study"
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data. For uranyl, cation-cation interactions are also recorded in the gas phase.
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Of particular interest are cation-cation interactions between actinide cations -
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Charushnikova, I. A.; Krot, N. N.; Grigor'ev, M. S. (September 2014).
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Sullivan, J. C.; Hindman, J. C.; Zielen, A. J. (August 1961).
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Feng, Rulin; Glendening, Eric D.; Peterson, Kirk A. (2019).
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Cation-cation interactions often occur between molecular
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442:"Cation–cation bonding in nitrenium metal complexes"
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Krot, Nikolai N; Grigoriev, Mikhail S (2004-01-31).
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Cation-cation interactions in transition metal ions
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may be too technical for most readers to understand
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138:The cation-cation interaction determines the
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59:Learn how and when to remove this message
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250:Journal of the American Chemical Society
95:Cation-cation interactions in f-elements
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41:make it understandable to non-experts
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153:vibrational spectroscopy
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81:f-elements
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117:plutonium
109:neptunium
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317:97283836
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391:Bibcode
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101:uranium
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