Theoretical modeling of argentophilic interactions in [Ag(CN)2 ]3 trimer found in a copper(II) complex of cis-1,2-diaminocyclohexane (Dach), [Cu(Dach)2-Ag(CN)2-Cu(Dach)2][Ag(CN)2]3

  • Mariusz Michalczyk
  • , Wiktor Zierkiewicz
  • , Piotr Drożdżewski
  • , Sidra Nawaz
  • , Muhammad Monim-ul-Mehboob
  • , Saeed Ahmad

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Crystal structure study of a copper(II) complex of cis-1,2-diaminocyclohexane (Dach), [Cu(Dach)2-Ag(CN)2-Cu(Dach)2][Ag(CN)2]3 (1) reveals the presence of unsupported Ag⋯Ag⋯Ag interactions with the interatomic Ag⋯Ag distance of 3.230 Å. Detailed HF, MP2 and BLYP-D3 theoretical investigations of [Ag(CN)2 ]3 trimer, together with AIM, NCI and EDA analyses verified these interactions as noncovalent Ag–Ag bonds with the magnitude of a weak hydrogen bond, mainly electrostatically and dispersively driven.

Original languageEnglish
Pages (from-to)11-15
Number of pages5
JournalChemical Physics Letters
Volume709
DOIs
StatePublished - Oct 2018
Externally publishedYes

Keywords

  • Argentophilic interactions
  • cis-1,2-Diaminocyclohexane
  • Copper(II) complex
  • Dicyanidoargentate(I)
  • EDA
  • MP2

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