Ion-Pairing Assemblies of Deprotonated Meso-Hydroxyporphyrins as π-Electronic Anions.

Charged π-electronic systems provide ion-pairing assemblies, which would exhibit fascinating properties by appropriate modifications. Deprotonation of acid-unit-appended π-electronic systems, such as meso-hydroxyporphyrins (MHPs), enables the formation of π-electronic anions, for which the substituents modulate the electronic states and assembly modes. In this study, MHP PtII complex anions, bearing electron-donating phenyl groups and electron-withdrawing C6F5 groups, formed various ion pairs in combination with cations, including triazatriangulenium and porphyrin AuIII complex cations. Single-crystal X-ray analysis revealed solid-state ion-pairing assemblies of the MHP PtII complex anions with charge-by-charge packing modes, where the arrangements of the components were dependent on the peripheral substituents and coexisting countercations. Hirshfeld surface analysis and energy decomposition analysis (EDA) calculations revealed that ion-pairing assembly modes were mainly governed by iπ-iπ interactions between the MHP PtII complex anions and countercations.

• Publication year

  2025

• Venue

  Chemistry - An Asian Journal

• Publication date

  2025-11-24

• Fields of study

  Medicine, Chemistry

• Identifiers
  DOI 10.1002/asia.70439PMID 41286551
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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