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Issue 44, 2017
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Concurrent aerogen bonding and lone pair/anion–π interactions in the stability of organoxenon derivatives: a combined CSD and ab initio study

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Abstract

In this manuscript the ability of organoxenon fluorides to establish concurrent π-hole aerogen bonding and lone pair/anion–π interactions has been studied at the RI-MP2/def2-TZVP level of theory. The presence of both an aromatic system (benzene, trifluorobenzene and pentafluorobenzene) and a xenon atom makes these molecules suitable for simultaneously establishing both interactions. In this regard, we have used CH3CN, NH3, O(CH3)2, Cl, CN and BF4 as neutral and charged electron donors, respectively. Moreover, the NBO analysis showed that orbital effects contribute to the global stabilization of the complexes studied. Furthermore, we have used Bader's theory of “atoms in molecules” to analyse and characterize the noncovalent interactions described herein from a charge-density perspective. Finally, several examples retrieved from the CSD are also included, highlighting the impact of these interactions in the solid state chemistry of Xe.

Graphical abstract: Concurrent aerogen bonding and lone pair/anion–π interactions in the stability of organoxenon derivatives: a combined CSD and ab initio study

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Publication details

The article was received on 29 Sep 2017, accepted on 30 Oct 2017 and first published on 30 Oct 2017


Article type: Paper
DOI: 10.1039/C7CP06685F
Citation: Phys. Chem. Chem. Phys., 2017,19, 30063-30068
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    Concurrent aerogen bonding and lone pair/anion–π interactions in the stability of organoxenon derivatives: a combined CSD and ab initio study

    A. Frontera and A. Bauzá, Phys. Chem. Chem. Phys., 2017, 19, 30063
    DOI: 10.1039/C7CP06685F

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