Anion⋅⋅⋅Anion Interactions Involving σ‐Holes of Perrhenate, Pertechnetate and Permanganate Anions

In this communication experimental and theoretical results are reported affording strong evidence that interactions between electron rich atoms and the metal of tetroxide anions of group 7 elements are a new case of attractive and σ‐hole interactions. Single crystal X‐ray analyses, molecular electro...

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Veröffentlicht in:Chemphyschem Jg. 22; H. 22; S. 2281 - 2285
Hauptverfasser: Daolio, Andrea, Pizzi, Andrea, Terraneo, Giancarlo, Frontera, Antonio, Resnati, Giuseppe
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Germany Wiley Subscription Services, Inc 18.11.2021
John Wiley and Sons Inc
Schlagworte:
anion-anion interaction
Anions
Communication
Communications
Dimers
group 7
matere bond
noncovalent interaction
Quantum theory
Single crystals
σ-hole
group 7
noncovalent interaction
matere bond
anion-anion interaction
σ-hole
ISSN:1439-4235, 1439-7641, 1439-7641
Online-Zugang:Volltext
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Zusammenfassung:In this communication experimental and theoretical results are reported affording strong evidence that interactions between electron rich atoms and the metal of tetroxide anions of group 7 elements are a new case of attractive and σ‐hole interactions. Single crystal X‐ray analyses, molecular electrostatic potentials, quantum theory of atoms‐in‐molecules, and noncovalent interaction plot analyses show that in crystalline permanganate and perrhenate salts the metal in Mn/ReO4− anion can act as electron acceptors, the oxygen of another Mn/ReO4− anion can act as the donor and supramolecular anionic dimers or polymers are formed. The name matere bond (MaB) is proposed to categorize these noncovalent interactions and to differentiate them from the classical metal‐ligand coordination bond. A new case: Single crystal X‐ray analyses, molecular electrostatic potentials, quantum theory of atoms‐in‐molecules, and noncovalent interaction plot index analyses show that Mn/Tc/ReO4− anions self‐assemble in the solid and in solution and afford dimers and supramolecular polyanionic infinite chains thanks to the matere bond (MaB, Ma=Mn, Tc, Re, (Bh)), a new entry in the palette of σ‐hole interactions.
Bibliographie:Dedicated to Professor Renato Ugo, in memory of his unforgettable scientific and human qualities
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SourceType-Scholarly Journals-1
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ISSN:1439-4235
1439-7641
1439-7641
DOI:10.1002/cphc.202100681