NDLI: Superalkali-hydroxides as strong bases and superbases

Content Provider	Royal Society of Chemistry (RSC)
Author	Srivastava, Ambrish Kumar Misra, Neeraj
Copyright Year	2015
Abstract	Alkali metals have the lowest ionization potentials of all the elements in the periodic table, and their hydroxides are the strongest bases existing in the neutral form. So-called “superalkalies” have even lower ionization potentials than do alkalies, have potential-reducing capabilities, and can be used in the synthesis of a variety of charge-transfer salts. Like alkali hydroxides, superalkali-hydroxides are also expected to be strong basic compounds. To test this expectation, we have computationally investigated superalkali hydroxides (FLi2OH, OLi3OH and NLi4OH) for the first time and compared their basicity levels with that of LiOH, employing second-order Møller–Plesset perturbation theory. The proton affinity and gas-phase basicity values of these species were calculated to be comparable to or larger than those of LiOH, suggesting that they are stronger bases than LiOH, and even act as superbases. Various other parameters of superalkali hydroxides that are closely associated with their chemical reactivity and basicity are also described. This work is expected to provide new insights into hydroxide bases as well as motivate further exploration of such novel species with pronounced properties.
Starting Page	6787
Ending Page	6790
Page Count	4
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	39
Issue Number	9
Journal	New Journal of Chemistry
DOI	10.1039/c5nj01259g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Møller\u2013Plesset perturbation theory Proton affinity Ionization Periodic table Alkali metal Hydroxide
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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